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Vyuntspakhkite-(Y)

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JYJ694444

Vyuntspakhkite-(Y)

Description Tabs

Description
Locality: 
Ploskaya Mountain, Western Keivy Massif, Keivy Mountains, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.6 × 0.3 cm
Description

Colourless acicular vyuntspakhkite-(Y) in fluorite matrix. 

Ex M. Murashko specimen. Analysed. 

 

Mineral Data
What's on the rock

Vyuntspakhkite-(Y)

Formula: 
(Y,Yb)4Al2.5-1.5(Si,Al)1.5-2.5(SiO4)4O(OH)7
Strunz: 
9.BG.40
Hardness: 
6.0 - 7.0
Type Locality: 
Ploskaya Mt, Western Keivy Massif, Keivy Mountains, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...