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Roscherite with Montgomeryite & Robertsite

#50631

Roscherite with Montgomeryite & Robertsite

#50631
Availability
Sold
Size
3.5 x 3 x 0.4 cm - Miniature 
Formula
Ca2Mn2+5Be4(PO4)6(OH)4·6H2O (RRUFF)
Locality
Tip Top mine, Custer Co., South Dakota, United States
Tagged
phosphate , pegmatite mineral

Orange-red tiny micro crystals of Roscherite, less than 0.3mm with black Robertsite and white sprays of Montgomeryite to 2mm. Beryl matrix.

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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