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Ushkovite & Kosnarite

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SER140474

Ushkovite & Kosnarite

Description Tabs

Description
Locality: 
Jenipapo District, Itinga, Minas Gerais, Brazil
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 5.5 × 4.5 cm
Description

Numerous orange ushkovite crystals on cleavelandite with minor kosnarite

Mineral Data
What's on the rock

Ushkovite

Formula: 
MgFe3+2(PO4)2(OH)2·8H2O
Strunz: 
8.DC.30
Crystal System: 
Triclinic
Hardness: 
3.5
Type Locality: 
Pit No. 232, Bol'shoi Tatkul' Lake, Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

Kosnarite

Formula: 
KZr2(PO4)3
Strunz: 
8.AC.60
Crystal System: 
Trigonal Pseudo-cubic
Hardness: 
4.5
Streak: 
White
Type Locality: 
Mount Mica Quarry (Mount Mica Mine), Paris, Oxford Co., Maine, USA