Robertsite

Strunz Classification:
8.DH.30
Formula:
Ca2Mn3+3O2(PO4)3·3H2O
Crystal System:
Monoclinic
Streak:
Red-brown
Hardness:
3.5
Tenacity:
waxy
Occurrences:
Tip Top Mine, USA
Common Localities :
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Robertsite from  Tip Top Mine, Fourmile, Custer County, South Dakota, United States. for sale by Collection Arkane priced at USD806.16
USD 833.65 *
Robertsite
Tip Top Mine,
United States.
USD 833.65 *
95 x 45 x 28mm
1 of 1