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Strengite & Frondelite

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SER736312

Strengite & Frondelite

Description Tabs

Description
Locality: 
Eduardos Mine, Conselheiro Pena, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3.9 × 3.5 cm
Description

a Very rich and large specimen featuring some large vugs filled with red strengite crystals and green brown frondelite

Mineral Data
What's on the rock

Strengite

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

Frondelite

Formula: 
Mn2+Fe3+4(PO4)3(OH)5
Strunz: 
8.BC.10
Hardness: 
4.5
Type Locality: 
Sapucaia Mine (Proberil mine), Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Brazil
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