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Jahnsite-(Ca Mn Mg) with Mitridatite

#BN48562

Jahnsite-(Ca Mn Mg) with Mitridatite

#BN48562
Availability
Sold
Size
6 x 3.5 x 0.6 cm - Sm Cabinet 
Formula
CaMn2+Mg2Fe3+2(PO4)4(OH)2·8H2O (RRUFF)
Locality
Tip Top mine, Custer Co., South Dakota, United States
Tagged
phosphate , pegmatite mineral

Tiny 0.5 to 1mm clove brown, tabular and striated crystals of Jahsite-(CaMnMg). This is the first Jahnsite discovered. Subsequently there have been several variations described all due to cation substitution. The brown balls are Mitridatite. The matrix is Quartz. Coverage on both sides.  These are well-defined and fabulous crystals.

Type Locality

Collection
Dr. Buford L. Nichols Collection
Special Info
Type Locality

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