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0 item @ $0.00  

Arfvedsonite with Eudialyte

#AK11681

Arfvedsonite with Eudialyte

#AK11681
Availability
Sold
Price
$30.00
Size
8 x 5 x 3 cm - Sm Cabinet 
Formula
NaNa2(Fe2+4Fe3+)Si8O22(OH)2 (RRUFF)
Locality
Kipawa alkaline complex, Quebec, Canada

Blackish crystal grains to 6mm with pink Eudialyte, Katophorite, Acmite, Katophorite, Fluorite and Feldspar.

Arfvedsonite

Formula
NaNa2(Fe2+4Fe3+)Si8O22(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Radial, Fibrous, Stellate 
Cleavage
Perfect, Imperfect, None 
Luster
Vitreous (Glassy) 
Color
black, grayish green, bluish gray 
Streak
bluish gray 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
5.5-6 

Data courtesy of Webmineral.

Collection
Kidwell Collection

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