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anitimonite
long pole or needle aggregate, gray, hardness 2-2.5, with beautiful shaes. It's important raw material of industry. |
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Tourmaline
A complex crystalline silicate containing alumium, boron, and other elements, used in electronic instrumentation and, especially in its green, clear, and blue varieties, as a gemstone. |
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Valadinite
A red, yellow, or brown mineral, essentially an ore of vanadium and lead. |
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Eemerald
Eemerald is the most valuable breed in beryl and the beautiful color is for the trace element Cr¡¢V containing in. Hexagonal system, crystal is hexagonal prism, glassy luster, hardness7.5, density2.9g/cm3. It can be used as slap-up gem. |
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calcite
It is a kind of calcite. Its aggregate belongs to triclinic. The aggregates get together to form big flower much more beautiful than a true draw. |
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Pyromorphite
A green, brown, or yellow mineral. a minor ore of lead. |
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