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Jahnsite-(CaFeMg) Meurigite-K & Strengite

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SER211734

Jahnsite-(CaFeMg) Meurigite-K & Strengite

Description Tabs

Description
Locality: 
Sapucaia Mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5.1 × 5 cm
Description

A large specimen featuring hundreds yellow-brown prisms of jahnsite with a white sphere of meurigite K and minor pink strengite

Mineral Data
What's on the rock

Jahnsite-(CaFeMg)

Formula: 
CaFe2+Mg2Fe3+2(PO4)4(OH)2·8H2O
Hardness: 
0.0
Type Locality: 
Tom's quarry (Tom's Phosphate quarry; Clutterbuck Bros; PM 315; Sobey; BHP; ML 4993), Kapunda, North Mt Lofty Ranges, Mt Lofty Ranges, South Australia, Australia...

Meurigite-K

Formula: 
KFe3+8(PO4)6(OH)7·6.5H2O
Strunz: 
8.DJ.20
Crystal System: 
Monoclinic
Hardness: 
3.0
Streak: 
White
Type Locality: 
Chino Mine (Santa Rita Pit; Santa Rita Mine), Santa Rita, Santa Rita District, Grant Co., New Mexico, USA

Strengite

Formula: 
FePO4·2H2O
Strunz: 
8.CD.10
Hardness: 
3.5 - 4.0
Streak: 
white
Type Locality: 
Eleonore Mine, Rodheim-Bieber, Wetzlar, Hesse, Germany