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Whitmoreite & Robertsite

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CLB127456

Whitmoreite & Robertsite

ex Pelkmann coll.
Rare Mineral

Description Tabs

Description
Locality: 
Hagendorf South Pegmatite, Bavaria, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2 × 0.9 cm
Description

Nice sample of micro-minerals whitmoreite and robertsite.

Mineral Data
What's on the rock

Whitmoreite

Formula: 
Fe2+Fe3+2(PO4)2(OH)2·4H2O
Strunz: 
8.DC.15
Hardness: 
3.0
Type Locality: 
Palermo No. 1 Mine (Palermo No. 1 pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USA

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

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