Leucite
Leuciet, Leucit, Leucita, Leucyt, Лейцит, לוסיט, 白榴石
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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Formula: KAlSi2O6
Mineral class: silicates Crystal system: tetragonal Mohs scale: 6 Density (g/cm3): 2.44 - 2.50 Refractive index: 1.508 - 1.511 Cleavage: very poor Colors: colorless, white, grey, yellowish, reddish Luster: vitreous Fluorescence: - Pleochroism: - Largest Leucite crystal: 9 cm? Deposits: worldwide Discovery: 1791 1st description: 1797 (Klaproth) Name: from the Greek word "leukos" (white) |
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Leucite Mineral
Size: Micromount Origin: Ettringer Bellerberg / Ettringen / Eifel Mts. / Germany Photo by kind permission of © Stephan Wolfsried |
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Leucite Mineral
Size: 2.5 x 2.3 x 1.8 cm Origin: Roccamonfina / Caserta Prov. / Campania / Italy Photo by kind permission of © www.irocks.com |
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Leucite
Weight: 0.75 ct Origin: Roccamonfina Volcanic Complex / Caserta Prov. / Campania / Italy Photo by kind permission of © www.lucianabarbosa.com |
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