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Roscherite with Montgomeryite & Englishite

#49368
SOLD
Roscherite from Tip Top mine, Custer Co., South Dakota, United States - 49368
Roscherite from Tip Top mine, Custer Co., South Dakota, United States - 49368

Roscherite with Montgomeryite & Englishite

#49368
Availability
Sold
Size
4.5 x 3.5 x 1.5 cm - Miniature 
Formula
Ca2Mn2+5Be4(PO4)6(OH)4·6H2O (RRUFF)
Locality
Tip Top mine, Custer Co., South Dakota, United States
Tagged
phosphate , beryllium , pegmatite mineral

Red spherulitic Roscherite covering Beryl matrix with minor pink Montgomeryite and Englishite. Originally from Al Kidwell collection with tag stating the presence of Hurlbutite. I have not see this on this specimen, but this is the correct asseblage of minerals for which it is found.

Roscherite

Formula
Ca2Mn2+5Be4(PO4)6(OH)4·6H2O 
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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