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Sitinakite & Vinogradovite

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JYJ206899

Sitinakite & Vinogradovite

Description Tabs

Description
Locality: 
Koashva Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.2 × 1.1 cm
Description

Colourless sitinakite accompanied by vinogradovite.

Mineral Data
What's on the rock

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...

Vinogradovite

Formula: 
(Na,Ca,K)4Ti4AlSi6O23(OH)·2H2O
Strunz: 
9.DB.25
Hardness: 
4.0
Type Locality: 
Lepkhe-Nel'm Mt (Lepkhe-Nelm; Nepkha), Seidozero Lake, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...