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Kostylevite

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SKY622594

Kostylevite

Type Locality

Description Tabs

Description
Locality: 
Koashva Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.7 × 1.4 cm
Description

White crystals of the rare zirconium mineral kostylevite from the type and almost unique locality only known worldwide.

 

Mineral Data
What's on the rock

Kostylevite

Formula: 
K2Zr(Si3O9)·H2O
Strunz: 
9.CJ.35
Hardness: 
5.0
Type Locality: 
Vuonnemiok River Valley, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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