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Jahnsite-(MnMnMg) Meurigite-K & Strengite

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SER870735

Jahnsite-(MnMnMg) Meurigite-K & Strengite

Type Locality

Description Tabs

Description
Locality: 
Sapucaia Mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3.1 × 1.5 cm
Description

this is a new jahnsite specie that I found in the Sapucaia dumps on 2012 and was analysed by Pietro Vignola and published in The Canadian Mineralogist ; here in several clusters of yellow crystals with white tufts of meurigite-K and pink balls of strengite

Mineral Data
What's on the rock

Jahnsite-(MnMnMg)

Formula: 
Mn2+Mn2+Mg2Fe3+2(PO4)4(OH)2 · 8H2O
Crystal System: 
Monoclinic
Type Locality: 
Sapucaia do Norte, Galiléia, Minas Gerais, Brazil

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