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Iranite With Chromian Wulfenite

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RSL569498

Iranite With Chromian Wulfenite

Description Tabs

Description
Locality: 
Santa Ana Mine, Caracoles, Sierra Gorda, Antofagasta Province, Antofagasta Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.7 × 0.8 cm
Description

A very characteristic specimen for this species. Iranite are brown to brown-orange tabular crystals. It is accompanied by several dipyramidal chromian wulfenite crystals with an intense orange-red color. Iranite is a very rare lead, copper chromate silicate.

Mineral Data
What's on the rock

Iranite

Formula: 
Pb10Cu(CrO4)6(SiO4)2(OH)2
Strunz: 
7.FC.15
Hardness: 
3.0
Type Locality: 
Sebarz Mine (Sebraz Mine; Sebarg Mine), Anarak District, Nain County (Nayin County), Esfahan Province (Isfahan Province; Aspadana Province), Iran

Chromian Wulfenite

Variety Of: 

Wulfenite

Formula: 
Pb(MoO4)
Strunz: 
7.GA.05
Hardness: 
2.5 - 3.0
Formula: 
Pb(Mo,Cr)O4
Hardness: 
0.0