Pollucite

Polluciet, Pollucit, Pollucita, ポルクス石, Поллуцит, 銫沸石

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

Formula: (Cs,Na)₂Al₂Si₄O₁₂.H₂O
Mineral class: silicates
Crystal system: cubic
Mohs scale: 6.5
Density (g/cm³): 2.86 - 2.96
Refractive index: 1.517 - 1.525
Cleavage: bad
Colors: colorless, white, grey, rose, blue
Luster: vitreous - dull
Fluorescence: some pollucites display white fluorescence in SW UV
Pleochroism: -
Largest Pollucite crystal: 12 cm?
Deposits: Afghanistan, Brazil, Canada, Finland, Italy, Kazakhstan, Myanmar, Namibia, Pakistan, Sweden, USA, Zimbabwe
Discovery: 1846
1st Description: 1892
Name: ref. to the Latin name "Pollux", a figure from the Greek mythology

Pollucite Mineral

Size: 3,0 x 1,8 cm

Origin: Ognevka Ta / Kalba Range / Vostochno-Kazakhstanskaya Oblast / Kazakhstan

Photo by kind permission of © Bertil Otter

Pollucite

Weight: 21.58 ct

Origin: Afghanistan

Photo by kind permission of © www.americanthai.com

Pollucite

Weight: 0.32 ct

Origin: Pakistan

Photo by kind permission of © www.rocklogic.biz

Pollucite Mineral

Origin: Paprok / Kunar Prov. / Afghanistan

Photo by kind permission of © www.irocks.com

Pollucite Mineral

Origin: Mogok / Myanmar

Photo by kind permission of © www.irocks.com

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