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Iranite & Chrysocolla

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UVM647510

Iranite & Chrysocolla

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Description Tabs

Description
Locality: 
Vekol Mine, Pinal County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 2.8 × 1.8 cm
Description

Sharp crystals of iranite filling two vugs on the display surface of matrix, associated with chrysocolla.   Extremely nice crystals that I found extremely difficult to photograph.   This is the first confirmed locality for iranite in Arizona, studied in January at the University of Arizona.   

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

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5

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