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Hanauerite On Hörnesite

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JYJ787112

Hanauerite On Hörnesite

Description Tabs

Description
Locality: 
Torrecillas Mine, Salar Grande, Iquique Province, Tarapacá Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.6 × 1.3 cm
Description

Dark brown to black tiny hanauerite on and in colourless hörnesite on native arsenic matrix. Hanauerite was first recognized by the quick colour change from yellow to brown within several minutes. Some hörnesite look brown as hanauerite is intergrown. 

 

Mineral Data
What's on the rock

Hanauerite

Formula: 
AgHgSI
Crystal System: 
Orthorhombic
Type Locality: 
Schöne Aussicht Mine, Dernbach, Neuwied, Rhineland-Palatinate, Germany

Hörnesite

Formula: 
Mg3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
1.0
Type Locality: 
Ciclova (Csiklova), Oraviţa-Ciclova Cu-Mo-(W) ore field, Banat Mts, Caraş-Severin Co., Romania