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Pachnolite with Thomsenolite and Siderite

#PD32085

Pachnolite with Thomsenolite and Siderite

#PD32085
Availability
Sold
Size
4 x 3 x 3 cm - Miniature 
Formula
NaCaAlF6·H2O (RRUFF)
Locality
Ivigtut Cryolite deposit, Ivigtut, Arsuk Fjord, Sermersooq, Greenland

Prismatic clear crystals with a light yellow iron stain and pyramidal tips associated with blunt, prismatic, some cubic-looking Thomsenolite.

Pachnolite

Formula
NaCaAlF6·H2
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

Data courtesy of Webmineral.

Collection
Phillips Collection

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