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Q: What are whitish-gray stones with a nonmetallic luster that leave a colorless streak?
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What stone is whitish- gray with a nonmetallic luster that leave a colorless streak?

What is a whitish gray stones that leaves a colorless streak behind and is nonmitallic


What stone is whitish grey with nonmetallic luster that leaves a colorless streak?

Chalcedony and corundum can both appear in white forms and have a Mohs hardness greater than most feldspars.


What is an example of something with luster?

Luster is: "The reflection of light from the surface of a mineral, described by its quality and intensity; the appearance of a mineral in reflected light." Common descriptive words would be glassy, dull, earthy, waxy, vitreous, metallic, etc...


Does covalent bonds display luster?

Chemical bonds are too small to see, but some covalent compounds, such as gem stones, display luster.


Do diamonds breathe?

No, because they are rocks. Mineral rocks to be exact. Want more info? Keep reading... Diamonds are the hardest rock ever known Streak is colorless Level 10 on the Mohs scale Luster is Adamantine


What is the NAICS code for manufacturing synthetic stones for gemstones and industrial uses?

SIC 3299: Nonmetallic Mineral Products, Not Elsewhere Classified


If shiny stones like silver have a metallic luster what do glassy stones have?

silver is a metal, not a stone and thus is a totally different animal. most faceted stones are considered by color, clarity, refractive qualities (sparkle/ brilliance) and cut.


What are deodorant stones made of?

Potassium Alum. There are two types of potassium alum, natural and synthetic, and deodorant stones are made from both. Natural potassium alum deodorant stones are translucent, colorless crystal stones or rocks, and synthetic potassium alum deodorant stones are opaque and whitish, and look compacted.


Where was the mystic quartz discovered?

Mystic quartz is not a naturally occurring stone. The rainbow colors are created by enhancing colorless stones like clear quartz or white topaz.


Are near colorless diamonds higher quality stones?

If you are after a white diamond then the clearer it is the better, However blue or pink diamonds are also highly prized and VERY rare.


What makes a diamond a gemstone?

It is the hardness factor which makes difference in stones to gemstones it is the hardest natural stone , and so does not gets scratches so remains brilliant, and luster.


What makes a diamonds a gemstone?

It is the hardness factor which makes difference in stones to gemstones it is the hardest natural stone , and so does not gets scratches so remains brilliant, and luster.