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Hidalgoite & Adamite

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JYJ754175

Hidalgoite & Adamite

EDS & Raman conf. specimen no 19-11-25-ts6

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2.3 × 1.7 cm
Description

Rhombs of pale greenish-yellow hidalgoite (Raman & EDS confirmed) associated with yellow adamite from the Tsumeb mine. 

The analytical data is attached and can be viewed in the corresponding section. The strong Raman intensity in the sulfate region allows to assign the phase to hidalgoite. 

Mineral Data
What's on the rock

Hidalgoite

Formula: 
PbAl3(AsO4)(SO4)(OH)6
Strunz: 
8.BL.05
Hardness: 
4.5
Type Locality: 
San Pascual Mine (San Pasquale Mine), Zimapán, Mun. de Zimapán, Hidalgo, Mexico

Adamite

Formula: 
Zn2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
white
Type Locality: 
Chañarcillo, Copiapó Province, Atacama Region, Chile
Analysis
Analysis Report - only: Hidalgoite & Adamite
Analysis Report - only: Hidalgoite & Adamite
Analysis Report - only: Hidalgoite & Adamite