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 Mineral
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

Pollucite Mineral

Origin: Mogok / Myanmar

Photo by kind permission of © www.irocks.com
Pollucite Mineral


⇐ Intro Page ⇐ Gemstones