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Spinel (cobaltoan)

#47086
SOLD
Spinel from Luc Yen, Yenbai prov., Vietnam - 47086
Spinel from Luc Yen, Yenbai prov., Vietnam - 47086

Spinel (cobaltoan)

#47086
Availability
Sold
Size
Capsule 
Formula
MgAl2O4 (RRUFF)
Locality
Luc Yen, Yenbai prov., Vietnam

Blue crude octahedrons. There are four crystals.

Spinel

Formula
MgAl2O4 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Massive - Granular 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, red, blue, green, brown 
Streak
grayish white 
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
8 

Data courtesy of Webmineral.

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