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Topaz & Jamesonite

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ESM838852

Topaz & Jamesonite

Description Tabs

Description
Locality: 
Tepetate, Villa de Arriaga Municipality, San Luis Potosi, Mexico
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 2 cm
Description

A cluster of prismatic red-brown topaz crystals with metallic jamesonite needles on matrix

Mineral Data
What's on the rock

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White

Jamesonite

Formula: 
Pb4FeSb6S14
Strunz: 
2.HB.15
Crystal System: 
Monoclinic
Hardness: 
2.5
Type Locality: 
Cornwall, England, UK