Sérandite
Sérandit, Sérandita, Серандит, セラン石
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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Formula: Na(Mn2+,Ca)2Si3O8(OH)
Mineral class: silicates Crystal system: triclinic Mohs scale: 5 - 5.5 Density (g/cm3): 3.34 - 3.42 Refractive index: 1.674 - 1.71 Cleavage: perfect Colors: colorless, pink, orange, red, brown, black Transparency: transparent - translucent Luster: vitreous - greasy Fluorescence: - Pleochroism: - Largest crystal: 20 cm? Deposits: worldwide Discovery: 1931 1st Description: 1931 (Lacroix) Name: in honor of the West African mineral collector J.M. Serand |
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Sérandite Mineral
Size: 2.5 x 1.0 x 0.2 cm Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada Photo by kind permission of © www.kqminerals.com |
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Sérandite Mineral
Size: 3.1 x 0.7 x 0.7 cm Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada Photo by kind permission of © www.irocks.com |
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Sérandite Mineral
Size: 6.2 x 5.5 x 3.9 cm Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada Photo by kind permission of © www.irocks.com |
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Sérandite
Weight: 0.5 ct Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada Photo by kind permission of © www.thegemtrader.com |
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Sérandite Mineral
Size: 2.0 x 2.0 x 1.2 cm Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada Photo by kind permission of © www.irocks.com |
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Sérandite
Size: 1.80 x 0.96 cm Weight: 4.95 ct Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada Photo by kind permission of © www.thegemtrader.com |
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Sérandite Mineral
Size: 4.5 x 4.0 x 2.2 cm Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada Photo by kind permission of © www.kqminerals.com |
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Sérandite Mineral
Size: 4.0 x 3.5 x 2.0 cm Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada Photo by kind permission of © www.irocks.com |
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Sérandite
Size: 1.0 x 0.5 x 0.3 cm Weight: 1.87 ct Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada Photo by kind permission of © www.irocks.com |
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Sérandite
Weight: 2.19 ct Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada Photo by kind permission of © Darlene Cobler |
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