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Ralstonite with Pachnolite

#PD42523

Ralstonite with Pachnolite

#PD42523
Availability
Sold
Size
7 x 6 x 3 cm - Sm Cabinet 
Formula
Na0.5(Al,Mg)2(F,OH)6·H2O (RRUFF)
Locality
Ivigtut mine, Arsuk Fjord, Sermersooq, Greenland

A white sugary mass with colorless Ralstonite and needle-like Pachnolite.

Type Locality

Ralstonite

Formula
Na0.5(Al,Mg)2(F,OH)6·H2
Crystal System
Isometric 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous - Greasy 
Color
colorless, white 
Streak
white 
Class
Isometric - Hexoctahedral 
Fracture
Brittle - Uneven 
Hardness
4.5 

Data courtesy of Webmineral.

Collection
Phillips Collection
Special Info
Type Locality

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