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Mineralpedia Details for Pachnolite

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Pachnolite

Pachnolite

Formula
NaCaAlF6┬ĚH2
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Twinning Common, Pseudo Orthorhombic 
Cleavage
Poor, None, None 
Luster
Vitreous - Greasy 
Color
colorless, white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
WebMineral
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Mindat
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Pachnolite from Ivigtut Cryolite deposit, Ivigtut, Arsuk Fjord, Sermersooq, Greenland

Pachnolite
            from Ivigtut Cryolite deposit, Ivigtut, Arsuk Fjord, Sermersooq, Greenland
Special Info
Type Locality

Abundant needle-like colorless Pachnolite to 1mm in several vugs with tiny Ralstonite crystals in one vug.

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