Jahnsite

Availability

Available

Price

$55.00

Size

7.5 x 5.5 x 5.5 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

Yellow Jahnsite crystals to about 0.5mm with good coverage. There may be two different types of Jahnsite as another is more green than yellow, if you can go by color. Other minerals include dark red Rockbridgeite and dark green Mitridatite.