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Hyalotekite & Mimetite

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SHS105329

Hyalotekite & Mimetite

Description Tabs

Description
Locality: 
Artillery Peak, Artillery Mountains, Mohave County, Arizona, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.9 × 1.4 cm
Description

Hyalotekite and mimetesite on matrix

Mineral Data
What's on the rock

Hyalotekite

Formula: 
(Pb,Ba,K)4(Ca,Y)2(B,Be)2(Si,B)2Si8O28(F,Cl)
Strunz: 
9.CH.05
Hardness: 
5.5
Type Locality: 
Långban, Filipstad, Värmland, Sweden

Mimetite

Formula: 
Pb5(AsO4)3Cl
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Treue Freundschaft Mine, Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany