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0 item @ $0.00  

Roscherite with Montgomeryite

#BN55036

Roscherite with Montgomeryite

#BN55036
Availability
Sold
Size
6 x 5 x 2 cm - Sm Cabinet 
Formula
Ca2Mn2+5Be4(PO4)6(OH)4·6H2O (RRUFF)
Locality
Tip Top mine, Custer Co., South Dakota, United States
Tagged
phosphate , beryllium , pegmatite mineral

Black, sparkly layer of crystalline Roscherite (Zanazziite?) with larger irregular rosettes of black Roscherite and white lath-like groups of Montgomeryite.

Roscherite

Formula
Ca2Mn2+5Be4(PO4)6(OH)4·6H2
Crystal System
Triclinic 
Crystal Habit
Pistolitic 
Cleavage
Good, Distinct, None 
Color
light brown, dark brown, olive green, orange red, red 
Streak
light brown 
Class
Triclinic - Pinacoidal 
Hardness
4.5 

Data courtesy of Webmineral.

Collection
Dr. Buford Nichols Collection

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