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Lemmleinite-K & Sitinakite

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BCK617622

Lemmleinite-K & Sitinakite

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 × 1.6 × 1.1 cm
Description

You are bidding on a small sample with fantastic striated colorless lemmleinite-K crystals with a few tan, blocky sitinakite prisms. Very rich and good for both rare species. 

Mineral Data
What's on the rock

Lemmleinite-K

Formula: 
K2(Ti,Nb)2(Si4O12)(OH,O)2·4H2O
Strunz: 
9.CE.30d
Crystal System: 
Orthorhombic
Hardness: 
5.0
Streak: 
White
Type Locality: 
Koashva quarry, Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Sitinakite

Formula: 
KNa2Ti4(SiO4)2O5(OH)·4H2O
Strunz: 
9.AG.30
Crystal System: 
Tetragonal
Hardness: 
4.5
Type Locality: 
Yukspor Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Seller Information

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