RockHoundBlog

How to Make Wire Wrapped Rings

Filed under: how to? — Gary January 31, 2010 @ 10:12 pm

Wire Wrapping Jewelry Basics

Filed under: how to?, regular postings — Gary @ 10:07 pm

Make Wire Jewelry
What Is Wire Temper?

The temper of a wire refers to the hardness or softness of the wire. Softer wire is easier to work with and gets harder as you work with it. Wire is sold in three tempers: dead-soft, half-hard and full-hard or spring-hard.

Which kind of wire temper do I want to use?

Dead-soft wire has been heated or annealed to make it more malleable and easy to work with. It will bend and coil without difficulty. You can create your piece and work harden the wire as you go or at the end in a tumbler.

Half-hard wire is harder to work with then dead-soft, but some wire jewel makers prefer to use it. Over the years, taking classes and after reading wire books I have found that this is a personal preference. If I want my wire to be half-hard, I pull on and work harden my dead soft wire before starting the project. After time you will see what you prefer.

Full-hard(spring-hard) wire refers to wire that does not bend easily and is not generally used for wire jewelry

making. You can use this type of wire to make spring back pins.

Note: As you work with dead-soft wire, you are changing its temper and making it hard. It will go from dead-soft to full-hard.

Wire Wrapping Jewelry Basics
Wire Shape and Size

The more you know about the wire you work with, the better your projects will be. Check out some basics below.

Wire Shapes

There are four shapes of wire: round, half-round square, square and triangular. The names are accurate to the shape that the wire is when looking at its cross-section. The most popular of these shapes is the round wire, although some artists prefer working with the other shapes more often.

Wire Sizes

Wire is sized by its thickness. Popular wire gauges are 14-guage to 26-guage. The thicker the wire the smaller the gauge number. 14-gauge wire is thicker than 16-gauge wire and 26-gauge wire is thin. In other places than the U.S. wire is sold in diameters measured in millimeters. The chart below gives you a gauge to diameter(approx) conversion. Popular wire sizes are 18-gauge to 22-gauge.

Beaded Jewelry Making
Free Projects and Patterns

Making beaded jewelry and other types of beading projects is such a fulfilling and fun craft. Beauty, history and heritage can be found in beading and beads - it’s very intriguing. This section of my site has gotten quite big with many free bead patterns and projects to share. To the left you will find a list of the types of bead projects, including different topics like holidays or prom patterns. There are also ever growing beginner and basic beading instructions to be found there. Below you will find a bead projects and patterns index by name with all types of beaded jewelry projects listed. I hope this helps you, my site visitor, with navigation. I also hope it helps me keep all of the beady things I offer here straight, lol! Enjoy ~ Denise

Newest Beaded Jewelry Projects:
5 Beaded Angels to Make
I’m sharing these in a bead swap and I thought I would share how I put together some of the beaded angels with everyone. Enjoy!

All Beaded Jewelry Projects:

http://www.wittyliving.com/crafts/jewelry/index.html

Hundreds of projects! Read on…

Safety Rules / Tips for Rockhounds

Filed under: how to? — Gary January 24, 2010 @ 1:05 pm

Download this pamphlet put out by the Arizona State Mine Inspector’s Office- Safety Tips For Rockhounds - Abandoned Mines-

Click Here To Download PDF Pamphlet

Safety

Many rockhounding sites require driving and/or hiking to remote areas, largely on dirt, sand or rocky roads where there is a good possibility of getting stuck. It is always a good idea to travel in a group and to bring plenty of drinking water with you when traveling, especially in hot, dry climates. If you must travel alone, be sure to let someone know of your plans.

It is advised to use safety goggles whenever rocks are struck, whether breaking open small stones or chipping a piece off a large boulder. Flakes of stone can seriously injure the eyes. Also, be aware that the dust that comes from chipping and cutting rock can be extremely hazardous to the lungs. If necessary, use a mask or respirator.

    Collection Gear

  1. Rockhounds need various tools to collect rocks and minerals. Rock hammers have a blunt end on one side and a chiseled end on the other. The blunt end is use to break off a piece of rock while the chiseled end can be used for prying. Rockhounds carry mallets and small chisels as well for finer, more delicate collection work. A pocket knife is a good instrument to test mineral hardness. Rockhounds also use hand lenses to magnify the minerals for identification purposes. A cloth, sample containers and a bucket or backpack are all helpful in rock collection.
  2. Safety Gear

  3. Rock collecting requires the use of safety gear. Eye protection is necessary to protect your eyes from flying debris as you break pieces of rock off outcrops. Heavy gloves protect your hands from sharp pieces of rock that break off samples as they are collected. If the rock collecting is done on an outcrop that is taller than you or has an overhang, the use of a hard hat becomes necessary to protect yourself from falling debris. A first aid kit is helpful for any cuts, bruises, or injuries that may be sustained during the exhibition.
  4. Nature Safety

  5. Rockhound exhibitions often occur in remote locations in nature. Prepare for the trip by putting on bug spray and sunscreen. Make sure that you are aware of your surroundings as you work. Know what poison oak, poison ivy, and poison sumac look like so that you can avoid them. Be careful when working around brush as many snakes like to take shelter there. Make sure that you bring plenty of water and snacks to avoid dehydration.
  6. Safety Techniques

  7. Avoid collecting from a steep slope with loose material. Disturbing the slope may cause a landslide which could lead to injury. Avoid collecting from an outcrop that has a overhang. Striking the rock could lead to less stability in the outcrop and may cause falling debris. Be aware of sharp fragments you create as you collect the rocks. Remove these sharp fragments to keep fellow collectors and animals safe.
  8. Collection Tips

  9. Place each sample in a collection container as you collect them. The collection containers may be a plastic baggie, a piece of newspaper, or a plastic collection jar. Label each sample as you collect them. Note that you do not have to identify the rock on the collection container, but you should be specific into where each sample was found. This ensures that samples do not get mixed up when you return home.

DIY Rockhound Flat Lap Machine

Filed under: how to? — Gary January 21, 2010 @ 10:25 pm

A complete grinding, shaping, smoothing and polishing lapidary unit.

This is a cool site you should check out.  He lists maps of every state and places to rockhound in each of them.  He built a cool machine and fully explained how to make one yourself.  Try it out…

http://www.rockpicks.net/flatlap.htm

make your own / DIY Flat Lap machine

make your own / DIY Flat Lap machine

Information on the construction of my 8 inch flat lap for faceting/general use.


General Description

After doing a bit of research, I decided it was time to attempt the construction of a flat lap.  My main interest was in accuracy for use in faceting with the added ability to be used as a general purpose lap.  To address the accuracy issues, I chose to use a direct drive system which eliminates the variables caused by belt stretch.  Also, I thought that a DC motor would be the simplest to apply a speed control to and also had the benefit of being easily reversible in direction.  My choice for a motor was a 3/4 HP 130 volt DC ball bearing, permanent magnet motor that was originally constructed for use in an exercise treadmill system.  Since I was able to find matched components in surplus, I also opted to use the speed control used in the same treadmill. The housing for the lap is constructed from 8″ x 1″ dimensional Poplar lumber.  The top is constructed from 3/4 inch Lexan since it is a very rigid and stable material, though my primary choice would have been tool grade aluminum plate.  Price was the main consideration for choosing Lexan which I ordered from McMaster-Carr.  I purchased the motor and speed control from Surplus Center and the Lexan from McMaster-Carr.  The lumber and other hardware came from Lowes.

Rest of article here: http://www.rockpicks.net/flatlap.htm

Willow Creek Porcelain Jasper: what to look for when buying and from whom

Filed under: how to?, regular postings — Gary January 16, 2008 @ 9:46 am

Willow Creek Porcelain Jasper
Article written by : Philip Stephenson Tigeroakantiques.com 8/17/07
The intent of this article is to educate the public and not to discredit any individual or organization.

Willow Creek Jasper is one of finest porcelain jaspers in the world. Given the quality of material seen on the Internet, most collectors are not aware of the outstanding qualities of premium material. Willow Creek jasper is mined 15 miles north of Eagle, Idaho. (NW of Boise, Idaho). The Jasper forms in the center of giant thunder eggs and rarely in seams. One of the prevailing theories, as far as Willow Creek goes, is that these thunder eggs formed deep within the earth, then were trusted up through large volcanic vents where they accumulated and solidified surrounded by very hard rhyolite.

Mining the Thunder eggs is very difficult hard rock mining. Dynamite is used to loosen the eggs within the rhyolite matrix and once loosened, next comes the back hoe and pry bar. Once free, the eggs may only be opened by sledgehammer and wedges.

Willow Creek Jasper is known for its subtle pastel colors, streamer patterns, and egg or orb patterns. Premium quality Willow Creek is unmatched. It takes an extreme high gloss… like liquid glass. People who have worked Willow Creek say it has pastel colors and is somewhat soft and delicate in nature…perhaps, but top premium quality Willow has dramatic coloring, and incredible patterning. I consider it the purest porcelain of the porcelain jaspers. The Willow Creek Mine has been producing jasper for the past 35+ years but unfortunately a good deal of low grade is sold on the internet market today.

High grading Willow Creek rough is a little tricky and should only be done by someone with experience with this material or by having the actual rough in your hands to inspect. Low grade Willow is often times sold as “good quality” only to have iron pits and iron stains though the entire piece. The pits are actually tiny iron balls that when cut take on the pit look to them. Anyway, here’s a prime example: Notice the iron pitting and stains within the jasper. Example #1, Example #2, Example #3 . Cabochons with these iron pits are very unattractive and will undercut within the harder jasper surrounding it. Here’s a cabochon that looks more like Chicken Pox, it’s actually iron pits. Example #4.

Still, not all is lost if you happen to get “THE POX” in your rough Willow Creek pieces. Many times you can still work around these bad spots but of course you are limited in your choices of patterns, also there might be a hidden pit just under the surface. In slabs, you can get an idea if there might be a hidden pit by looking at the other side but most often the sellers on Ebay do not have a picture of other side. Example #5. Rust on the other hand there’s no way around it…the area is unusable.

Compared to other fine jaspers, Willow Creek has fewer natural fractures (cracks made by Mother Nature) which makes it more desirable when trying to optimize material losses. The fractures that do exist are typically single fractures and not spidery. Although the area close to the impacts of the hammer normally gets pretty messed up, see this Ebay example: Example #6. Single fractures result from the breaking and wedging open the large thunder eggs. Helpful hint: When trying to buy any rough or slab by a photo it’s always desirable to see the rough/slab item you are buying dry, verses wet. Wet will make any fracture or defect disappear. Here’s a very good example: I found this a few years back out on one of my rockhunting trips. I got very excited about the orbs with the black jasper background. Wet Example #7, Dry Example #7.1. Now, it’s my wife’s favorite stepping stone in her garden.

Now, see two examples of Willow Creek Porcelain Jasper at its most purest. These are now in my Willow Creek Collection. Example #8. Example #9

Buying unproven rough of any kind or finished pieces over the internet should undertaken with extreme caution. Only a few reputable dealers sell excellent Willow Creek Jasper on the Internet including finished pieces, and proven or unproven rough.

(more…)

chemical vapor deposition (CVD) diamonds- Growing diamonds (colorless and pure)

Filed under: how to?, regular postings — Gary February 24, 2007 @ 10:44 pm

CVD_diamond One of Apollo’s made diamonds.

“When I came in Monday, I couldn’t see the (stone) in the beaker,” Linares says. The diamond was colorless and pure. “That’s when I realized we could do gemstones.”

Apollo Diamond is making real diamonds through a process called chemical vapor deposition (CVD). Here is an explanation of the process:

(1) A slice of diamond is placed flat inside a chamber. Hydrogen and hydrocarbon gases are injected and heated to thousands of degrees at the right pressure.
(2) Carbon atoms land on the diamond slice and replicate the crystal’s structure, the way a drop of water merges seamlessly into a pool of water. The diamond grows thicker and taller. Growing a 5 carat diamond can take a week.
(3) The top can be sliced off and cut into gems. Or the diamond can be cut into thin wafers for computer chips or other uses. Part of the slice is returned to the chamber to make the next diamond.

“We basically grow our own raw material,” says Apollo president Bryant Linares.

Source: Apollo Diamond

Two different paths to diamonds

In 1955, General Electric figured out how to use room-size machines to put carbon under extremely high pressure and make diamond dust and chips. The diamond material wasn’t pure or big enough for gems or digital technology. But it had industrial uses, such as diamond-tipped saws. Such saws made it possible, for instance, to cut granite into countertops.

(more…)

Faceting Quartz- Rock Crystal, Amethyst, Citrine, Ametrine and Smoky Quartz

Filed under: how to?, regular postings — Gary February 16, 2007 @ 4:14 pm

I have been asked a couple times about faceting (how to) - here is one of many articles to come about the subject-

Faceting-Quartz

Australian faceter Arch Morrison -

There are five main transparent varieties of Quartz which are used for faceting.
These are the clear Rock Crystal and the coloured Amethyst, Citrine,Ametrine and
Smoky Quartz. Quartz has no cleavage problem and the birefringence of Rock
Crystal is so small (.009) that the rough can be oriented in whatever direction
gives the biggest final stone.There is distinct pleochroism in the deep-coloured
varieties which places some restriction on orientation for best colour. Orient
by looking through the rough at a light source and rotating till you have best
colour. Place the Table at right angles to this plane. Where the coloured rough
has zones or bands of colour the usual solutions apply. [put the spot zones in
the Culet and the banding planes parallel to, and just below, the Girdle].
Quartz doesn’t have a temperature problem so wax dopping can be used if desired.

For cutting a Quartz SRB the standard angles recommended by Vargas of 43 degrees
for the Pavilion Culet facet and 42 degrees for the Crown Main work well.
However, it is necessary to ensure that any other cut has been designed for
Quartz and is capable of handling Quartz’s fairly low RI of 1.54. [if the cut
is designed for a higher RI then it will window in Quartz].

When I volunteered to do this post on Quartz I did so with some trepidation.
Quartz has probably had more internet discussion than any other faceting
material. Everybody has cut it and everybody has the sure-fire way to get the
absolute best finish. It is not the cutting which causes the problem - any
reasonable sequence of progressively finer cutting laps will do the job and it
will depend on what laps you have in your arsenal. I use a 260 Mesh lap for
initial rough shaping and move as soon as possible to 600 Grit for cutting, 1200
Grit for fine finish [although sometimes 3000 or 8000 diamond prepolish becomes
necessary] and then on to polishing.

Polishing is where the different opinions surface. Some people swear by the
Lucite lap or the ultralap - others swear at them. Cerium Oxide seems to be the
polishing medium most preferred …but not always.

(more…)

excellent agate article, includes staining agates, interesting!

Filed under: how to?, regular postings — Gary February 14, 2007 @ 11:28 pm

agate_staining

AGATE, a term applied not to a distinct mineral species, but to an aggregate of various forms of silica, chiefly Chalcedony (q.v..) According to Theophrastus the agate (achates) was named from the river Achates, now the Drillo, in Sicily, where the stone was originally found.  Most agates occur as nodules in eruptive rocks, or ancient lavas, where they represent cavities originally produced by the disengagement of vapor in the molten mass, and since filled, wholly or partially, by siliceous matter deposited in regular layers upon the walls.  Such agates, when cut transversely, exhibit a succession of parallel lines, often of extreme tenuity, giving a banded appearance to the section, whence such stones are known as banded agate, riband agate and striped agate.  Certain agates also occur, to a limited extent, in veins, of which a notable example is the beautiful brecciated agate of Schlottwitz, near Wesenstein in Saxony—a stone mostly composed of angular fragments of agate cemented with amethystine quartz.

Most commercial agate is artificially stained, so that stones naturally unattractive by their dull grey tints come to be valuable for ornamental purposes.  The art of staining the stone is believed to be very ancient.  Possibly referred to by Pliny (bk. xxxvii. cap. 75), it was certainly practiced at an early date by the Italian cameo-workers, and from Italy a knowledge of the art—long kept secret and practiced traditionally—passed in the early part of the 19th century to the agate-workers in Germany, by whom it has since been greatly developed.  The coloring matter is absorbed by the porosity of the stone, but different stones and even different layers in the same stone exhibit great variation in absorptive power.  The Brazilian agates lend themselves readily to coloration, while the German agates are much less receptive.

To produce a dark brown or black color, the stone is kept perhaps for two or three weeks in a saccharine solution, or in olive oil, at a moderate temperature.  After removal from this medium, the agate is well washed and then digested for a short time in sulphuric acid, which entering the pores chars or carbonizes the absorbed sugar or oil.  Certain layers of chalcedony are practically impermeable, and these consequently remain uncolored, so that an alternation of dark and white bands is obtained, thus giving rise to an onyx.  If stained too dark, the color may be “drawn,” or lightened, by the action of nitric acid.

Agate is stained red, so as to form carnelian and sardonyx, by means of ferric oxide.  This may be derived from any iron compound naturally present in the stone, especially from limonite by dehydration on baking.  Some stones are “burnt” by mere exposure to the heat of the sun, whereby the brown color passes to red.  Usually, however, an iron-salt, like ferrous sulphate, is artificially introduced in solution and then decomposed by heat, so as to form in the pores a rich red pigment.

A blue color, supposed to render the agate rather like lapis lazuli, is produced by using first an iron salt and then a solution of ferrocyanide or ferricyanide of potassium; a green color, like that of chrysoprase, is obtained by means of salts of nickel or of chromium; and a yellow tint is developed by the action of hydrochloric acid.

read whole article here: http://www.djmcadam.com/agate.html

Carving Amber - step by step

Filed under: how to?, regular postings — Gary February 7, 2007 @ 2:58 pm

Carving Amber
By Yoli Rose
Beginner-to-intermediate carving project.

amber

I found this interesting “how to” article at Lapidary Journal…

There is something warm and delicious about amber, the fossil resin of ancient pine trees. A carved piece of amber catches and plays with light, and has a smooth, sensuous feel. It is soft (2-3 on the Mohs scale) and relatively easy to carve - you can use everyday tools and do it by hand, or use a flexible-shaft machine, as I will describe here. It helps to not get too attached to a piece because amber is brittle and can chip or break, and it cannot take heat.

read article here http://www.lapidaryjournal.com/jj/899jj.cfm

Introduction to Faceting From The Image. Rockhound, Gems, Jewelry, step by step

Filed under: how to?, regular postings — Gary January 5, 2007 @ 3:15 am

Faceting

I was asked this year to give an introduction to faceting class at the Michigan Geology and Gemological Society seminar weekend. While I do not consider myself to be a “big” faceter (actually on a per pound basis I guess I am), I do enjoy cutting an occasional piece of rough. So I decided to use my other hobbies 3D Animation and digital photography to tell the story.

I am not a fan of any current presentation software on the market (PowerPoint in particular) so I have taken to using the WEB to put together presentations and provide resource material to others. This also allows me to get double use of the material.

(more…)

NEXT PAGE >>>