Friedelite
Friedeliet, Friedelit, Friedelita, Фриделит, 紅錳礦
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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Formula: Mn8Si6O15(OH,Cl)10
Mineral class: silicates Crystal system: monoclinic Mohs scale: 4 - 5 Density (g/cm3): 3.04 - 3.06 Refractive index: 1.625 - 1.664 Cleavage: perfect Colors: pink, red, brown Luster: vitreous Transparency: transparent - translucent Fluorescence: - Pleochroism: - Largest crystal: 1 cm? Deposits: worldwide Discovery: 1876 1st Description: 1892? Name: in honor of the French mineralogist Charles Friedel (1832 - 1899) |
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Friedelite
Weight: 0.82 ct Origin: Franklin / New Jersey / USA Photo by kind permission of © www.irocks.com |
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Friedelite
Weight: 1.03 ct Origin: Franklin / New Jersey / USA Photo by kind permission of © www.irocks.com |
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Friedelite
Size: 0.91 x 0.63 cm Weight: 1.37 ct Origin: Franklin / New Jersey / USA Photo by kind permission of © www.irocks.com |
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Friedelite Mineral
Size: 6.9 x 5.5 x 4.1 cm Origin: Sterling Mine / Ogdensburg / Sussex County / New Jersey / USA Photo by kind permission of © www.civilminerals.com |
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Friedelite
Weight: 0.47 ct Origin: Franklin / New Jersey / USA Photo by kind permission of © Darlene Cobler |
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Friedelite Mineral
Size: 7.1 x 6.2 x 2.6 cm Origin: Sterling Mine / Ogdensburg / Sussex County / New Jersey / USA Photo by kind permission of © www.irocks.com |
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