Kurnakovite
Kurnakoviet, Kurnakovit, Kurnakovita, Курнаковит, 庫水硼鎂石, ｸﾙﾅｺﾌ石
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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Formula: MgB3O3(OH)5·5H2O
Mineral class: borates Crystal system: triclinic Mohs scale: 2.5 - 3 Density (g/cm3): 1.83 - 1.86 Refractive index: 1.488 - 1.525 Cleavage: poor Colors: colorless, white Transparency: transparent - translucent Luster: vitreous Fluorescence: - Pleochroism: - Largest crystal: 37 cm? Deposits: worldwide Discovery: 1940 1st Description: 1940 (Godlevsky) Name: in honor of the Russian mineralogist Nikolai Semenovich Kurnakov (1860 - 1941) |
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Kurnakovite Mineral
Size: 12.5 x 6.7 x 6.5 cm Origin: Baker Mine / Boron / California / USA Photo by kind permission of © www.irocks.com |
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