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1 item @ $125.00  

Metavivianite

#BN56342

Metavivianite

#BN56342
Availability
Available
Price
$30.00
Size
3 x 2 x 0.7 cm - Thumbnail 
Formula
(Fe2+,Fe3+)3(PO4)2(OH)2·6H2O (RRUFF)
Locality
Anloua, Martap, Vina, Adamawa, Cameroon

It's kind of a crumbly specimen since the mineral occurs in very thin platy crystals. The color is really a dark green like the first photo. The second accidentally caught the reflections of my lights.

Metavivianite

Formula
(Fe2+,Fe3+)3(PO4)2(OH)2·6H2
Crystal System
Triclinic 
Crystal Habit
Prismatic, Striated 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
leek green, gray green, reddish brown 
Streak
yellowish brown 
Class
Triclinic 
Hardness
1.5-2 

Data courtesy of Webmineral.

Collection
Dr. Buford Nichols Collection

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