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0 item @ $0.00  

Bermanite with Strengite

#BN55895

Bermanite with Strengite

#BN55895
Availability
Sold
Size
6 x 5.5 x 3 cm - Sm Cabinet 
Formula
Mn2+Mn3+2(PO4)2(OH)2·4H2O (RRUFF)
Locality
Kobokobo Pegmatite, Sud-Kivu, Democratic Republic of Congo
Tagged
phosphate , pegmatite mineral

Fantastic colorful specimen. These are the largest Bermanite crystals I have see - to a whopping 1mm. The Strengite exhibits a nice lavendar color. The backside shows several thick tabular crystal plates of Columbite to 5cm long. Other phosphated are likely present.

Bermanite

Formula
Mn2+Mn3+2(PO4)2(OH)2·4H2
Crystal System
Monoclinic 
Cleavage
Perfect, Indistinct, None 
Luster
Vitreous - Resinous 
Color
light red, dark reddish brown 
Class
Monoclinic - Sphenoidal 
Fracture
Brittle 
Hardness
3.5 

Data courtesy of Webmineral.

Collection
Dr. Buford Nichols Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Bermanite
On Dakota Matrix
Other Available Bermanite
WebMineral
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Mindat
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