Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Coquimbite & Paracoquimbite

Views:
Watches:
JYJ879746

Coquimbite & Paracoquimbite

Description Tabs

Description
Locality: 
Menzenschwand, St Blasien, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.5 × 0.7 cm
Description

Colourless to pale purple polycrystalline coquimbite with paracoquimbite in baryte matrix. SEM-EDS & Pseudo Gandolfi (SXRD) confirmed no 345/3133. 

Comes with a colour printed analysis. 

 

Mineral Data
What's on the rock

Coquimbite

Formula: 
Fe2-xAlx(SO4)3·9H2O, x ~0.5
Strunz: 
7.CB.55
Hardness: 
2.5
Streak: 
white
Type Locality: 
Coquimbo Region, Chile

Paracoquimbite

Formula: 
Fe2(SO4)3·9H2O
Strunz: 
7.CB.55
Hardness: 
2.5
Type Locality: 
Alcaparrosa Mine, Cerritos Bayos, Calama, El Loa Province, Antofagasta Region, Chile