Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Jahnsite-(MnMnMg) & Dufrénite

Views:
Watches:
SER908103

Jahnsite-(MnMnMg) & Dufrénite

Description Tabs

Description
Locality: 
Eduardo Claim, Conselheiro Pena, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.5 × 1.5 cm
Description

this is a good new for Eduardo claim and the second find worlwide for this rare specie : several yellow orange jahnsite-mnmnmg crystals with green balls of dufrenite ; self collected on 2018

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

Dufrénite

Formula: 
Ca0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O
Strunz: 
8.DK.15
Hardness: 
3.5 - 4.5
Streak: 
Green
Type Locality: 
Anglar, Haute-Vienne, Limousin, France