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Ericlaxmanite & Urusovite & Lammerite

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JYJ820548

Ericlaxmanite & Urusovite & Lammerite

Description Tabs

Description
Locality: 
Tolbachik Volcano, Kamchatka Krai, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.9 × 0.6 × 0.5 cm
Description

Dark green ericlaxmanite with bluish lammerite and urusovite. Analysed material. 

 

Mineral Data
What's on the rock

Ericlaxmanite

Formula: 
Cu4O(AsO4)2
Hardness: 
3.5 - 0.0
Type Locality: 
Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia...

Urusovite

Formula: 
CuAl(AsO4)O
Strunz: 
8.BB.60
Crystal System: 
Monoclinic
Hardness: 
4.0
Streak: 
White
Type Locality: 
Novaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia...

Lammerite

Formula: 
Cu3(AsO4)2
Strunz: 
8.AB.30
Hardness: 
3.0 - 4.0
Type Locality: 
Laurani Mine, Laurani District, Aroma Province, La Paz Department, Bolivia