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Pachnolite with Ralstonite

#PD42521

Pachnolite with Ralstonite

#PD42521
Availability
Sold
Size
5 x 4.5 x 3 cm - Miniature 
Formula
NaCaAlF6·H2O (RRUFF)
Locality
Ivigtut Cryolite deposit, Ivigtut, Arsuk Fjord, Sermersooq, Greenland

Prismatic colorless Pachnolite crystals, some with nice iron staining, and octahedral Ralstonite to 1mm.

Type Locality

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
Special Info
Type Locality

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