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Ericlaxmanite & Urusovite

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JYJ747523

Ericlaxmanite & Urusovite

Description Tabs

Description
Locality: 
Tolbachik Volcano, Kamchatka Krai, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1 × 0.9 cm
Description

Analysed specimen hosting turquoise coloured urusovite, green ericlaxmanite and blue-green lammerite. Also associated but not pictured are kozyrevskite and tenorite. 

 

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...