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Voloshinite

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RSL679475

Voloshinite

Type Locality

Description Tabs

Description
Locality: 
Vasin-Myl'k Mountain, Voron'i Tundry, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.3 × 0.2 cm
Description

Polished preparation of a sample with this rare species, a Rb-analogue of lepidolite. Voloshinite was found in rare-element granitic pegmatites at Mt. Vasin-Myl’k, in Kola Peninsula. It is closely associated with pollucite and lepidolite, trilithiolite, also typically with muscovite, albite and quartz; in some cases, associated minerals are K,Rb-feldspar, rubicline, spodumene, montebrasite, elbaite, etc. From the Type Locality.

Mineral Data
What's on the rock

Voloshinite

Formula: 
Rb(LiAl1.51.5)(Al0.5Si3.5)O10F2
Hardness: 
0.0
Type Locality: 
Vasin-Myl'k Mt, Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...
Analysis
Analysis Report - only: Voloshinite