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Rockhounding and Mineral Collecting

Ask questions about collecting rocks and minerals and their values here.

562 Questions

How much is a flake of gold worth?

80 mesh size, 44,000 spics, make a Oz.

40 mesh size, 22,000 " " ".

piece`s 1/8 inch. in size 200 for a oz.

Do the math......And in the back ache.

What common Tennessee rock did natives use to make arrows?

Types of rock used for arrow points in the area that later became Tennessee include high quality chert.

What is the hardness of Chrome Ore on the MOHS hardness scale?

I'm wondering the same, as in a comparison of my chrome lined barrel in my M-4 vs. the Hoppes aluminum cleaning rod. Based on my knowledge (BA in Geosciences) I'd say its somewhere around a 4-5.

Here is a comparison example from Mohs as on Wikipedia:

"On the Mohs scale, a pencil "lead" (graphite) has a hardness of 1; a fingernail, 2.5; a copper penny, about 3.5; a knife blade, 5.5; window glass, 5.5; and a steel file, 6.5.[9] Using these ordinary materials of known hardness can be a simple way to approximate the position of a mineral on the scale."

From http://en.wikipedia.org/wiki/Mohs_scale_of_mineral_hardness

Since bullets are copper jacketed, I'd imagine going down a chrome-lined barrel isn't going to harm the integrity or smoothness of chrome. There is a scale for comparison on the above link as well for approximation of common materials related to their position on the scale.

Rhode Island state mineral?

Rhode Island's State Mineral is "bowenite", an attractive green form of serpentine.

What are the names of two types of teck decks?

The sale man at the hard ware store well speak better of this material then myself.

it is use for decking, and it is made from mike jugs.

What is the value of a 5 pound Lake Superior Agate with no crystals?

The price will depend a lot upon size, shape, quality, color, and banding, cut or uncut. Good, brightly colored, banded Lakers can bring a pretty penny if you can find a collector that really wants it. Bland, dull colors and poor banding, little contrast = meh, it's just an agate. Consult a local rockshop or mineral club to see what it's worth.

How do you identify confirm you have a Moqui marbles or Shaman stones?

Small roundish concretions are not really uncommon, so I would not expect to be able to absolutely confirm where yours came from.

How much is uncut quartz crystals from south carolina worth?

A couple of packets of Ramen noodles. But seriously, it depends on the quality of the stone (e.g. clarity, color, crystal shape if any, etc.)

What paint do you use to paint rocks?

Painting rocks for decorative display indoors, you can use almost any paint. For the best result use acrylic craft paints. It is not necessary to top-coat rocks that will not be put outdoors.
Painting rocks for decorative display out of doors, you're best results will come using craft paints designed for outdoor use. They usually are called "Patio paints" and are available in most good arts supply and craft stores.

What are some disadvantages of using the mohs hardness scale?

The scale is not linear, and isn't too precise when measuring the hardness of certain industrial materials.

Where to find olivine?

you can find olivine rocks in volcanoes in Greenland.

What is the most famous find of aluminum?

It is said that Weipa, Australia is home to the world's largest and richest bauxite (aluminum ore) deposit.

Is Rhodium Nickel free?

Rhodium is the name given to a pure, unmixed element, hence, by definition, it does not have any nickel in it. Assuming you might be talking about rhodium plated jewelry, you'd have to contact the manufacturer as to possible alloy composition.

How much gun blueing do you mix with coal?

Gun bluing is not mixed with coal. Most hot gun blues are a caustic chemical, and will eat holes in your body if you handle it wrong. I have a vague recollection of growing crystals on a lump of coal when I was a youngster- recall that it used ammonia, and liquid LAUNDRY bluing. In the pre-bleach days, laundry bluing was added to rinse water for white clothes, and made them look whiter. Have not seen it in years. If you are growing a crystal project, try adding a few drops of liquid food color.

Is there gold in Gwenette County Georgia?

Yes, but not as much as north of there. White, Pickens countys are better.

Is jade made out of minerals?

IT HAS HALF OF MINERALS AND SOME OF IT IS IRON. THANK-YOU^_^

What do diamonds graphite and coal have in common?

The are all composed of carbon (although coal commonly also contains other elements such as sulphur).