Viridine (Manganandalusite)

Viridin, 錳紅柱石

Commonly known rarer (so called collectors stones) very rare (rarities) extremely rare (world rarities)
relatively rare organic material

Formula: (Al,Mn³⁺)₂[O|SiO₄]
Mineral class: silicates
Crystal system: orthorhombic
Mohs scale: 7.5
Density (g/cm³): 3.16 - 3.20
Refractive index: 1.634 - 1.643
Cleavage: distinct
Colors: yellow-green
Luster: vitreous
Fluorescence: ?
Pleochroism: ?
Largest crystal: 5 cm?
Deposits: Belgium, Brazil, Germany, Sweden, USA
1st Description: 1981
Name: from the Latin word "viridis" (green)

Viridine Mineral

Origin: Recruta Farm / Vitória da Conquista / Bahia / Brazil

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Viridine

Weight: 0.05 ct

Origin: Brazil

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Viridine

Weight: 0.04 ct

Origin: Brazil

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Viridine

Weight: 0.24 ct

Origin: Brazil

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Viridine Mineral

Size: 0.8 x 0.6 x 0.3 cm

Origin: Rio Paraguaçu / Chapada Diamantina / Bahia / Brazil

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Viridine

Weight: 0.30 ct

Origin: Brazil

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