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Kostylevite

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BCK627788

Kostylevite

Rare Mineral

Description Tabs

Description
Locality: 
Koashva Open Pit, Koashva Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.2 × 2.4 cm
Description

You are bidding on a small miniature with numerous sharp blades of kostlevite crystals in several vugs on matrix. Really choice sample of this rare zirconium species. 

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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