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Lorándite & Lanmuchangite

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JYJ907745

Lorándite & Lanmuchangite

Description Tabs

Description
Locality: 
Allchar, Rožden, North Macedonia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.8 × 1.4 cm
Description

Dark red lorandite with colourless lanmuchangite on realgar matrix. 

Rare mineral, analysed material. 

 

Mineral Data
What's on the rock

Lorándite

Formula: 
TlAsS2
Strunz: 
2.HD.05
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Allchar (Alsar; Alshar), Roszdan, Republic of Macedonia

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...