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Lanmuchangite Thalliumpharmacosiderite & Arsenolite

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JYJ856500

Lanmuchangite Thalliumpharmacosiderite & Arsenolite

Description Tabs

Description
Locality: 
Allchar, Rožden, North Macedonia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 2.8 × 2.3 cm
Description

Pale yellow-green thalliumpharmacosiderite associated with irregular and octahedral lanmuchangite, arsenolite and realgar. Analyzed material no 10-19. Specimen comes with a multi-page colour report. 

 

Mineral Data
What's on the rock

Lanmuchangite

Formula: 
Tl+Al(SO4)2·12H2O
Strunz: 
7.CC.20
Hardness: 
3.0 - 3.5
Streak: 
white
Type Locality: 
Lanmuchang Tl-Hg deposit, Xingren Co., Qianxi'nan Autonomous Prefecture, Guizhou Province, China...

Thalliumpharmacosiderite

Formula: 
TlFe4[(AsO4)3(OH)4]·4H2O
Hardness: 
0.0
Type Locality: 
Crven Dol Canyon, Allchar (Alsar; Alshar), Roszdan, Republic of Macedonia

Arsenolite

Formula: 
As2O3
Strunz: 
4.CB.50
Crystal System: 
Isometric
Hardness: 
1.5
Type Locality: 
St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany