Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Robertsite

Views:
Watches:
CHP909654

Robertsite

Analysed

Description Tabs

Description
Locality: 
Cubos-Mesquitela-Mangualde Area, Mangualde, Viseu District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 2.8 × 2.4 cm
Description

specimen with many fantastic dark brown - gray crystals of robertsite on matrix.

c. 4177

Mineral Data
What's on the rock

Robertsite

Formula: 
Ca3Mn3+4(PO4)3O2·3H2O
Strunz: 
8.DH.30
Hardness: 
3.5
Streak: 
Red-brown
Type Locality: 
Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA

Seller Information

Payment options: offline, paypal_wpp, paypal_wps