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Shchurovskyite & Johillerite

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CSL562424

Shchurovskyite & Johillerite

Type Locality

Description Tabs

Description
Locality: 
Arsenatnaya Fumarole, Second Scoria Cone, Great Fissure, Tolbachik Volcano, Kamchatka Krai, Russian Federation
Class: 
Massive/Crystalline
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.6 × 0.2 cm
Description

This is a good micromount specimen with a new K-Ca-Cu-arsenate mineral shchurovskyite. It forms olive green crystalline coatings with violet coloured globular aggregates of johillerite on vulcanic scoria. Arsenatnaya fomarole is the Type land only ocality for shchurovskyite

Mineral Data
What's on the rock

Shchurovskyite

Formula: 
K2CaCu6O2(AsO4)4
Hardness: 
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...

Johillerite

Formula: 
Na(Mg,Zn)3Cu(AsO4)3
Strunz: 
8.AC.10
Hardness: 
3.0
Colour: 
Violet
Streak: 
White
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
Loranth Minerals

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