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Jahnsite-(CaFeMg) Leucophosphite & Strengite

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SER683145

Jahnsite-(CaFeMg) Leucophosphite & Strengite

Description Tabs

Description
Locality: 
Sapucaia Mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.1 × 2.7 cm
Description

a large vug filled with brown and light brown jahnsite crystals ; pink strengite and red magenta leucophoaphite; other phosphates are present too

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...

Leucophosphite

Formula: 
KFe3+2(PO4)2(OH)·2H2O
Strunz: 
8.DH.10
Hardness: 
3.5
Streak: 
White
Type Locality: 
Ninghanboun Hills serpentinite, Weelhamby Lake, Perenjori Shire, Western Australia, Australia

Strengite

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