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Charoite & Tinaksite

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PDM779161

Charoite & Tinaksite

Description Tabs

Description
Locality: 
Murunskii Massif, Aldan Shield, Sakha Republic, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 4.8 × 2.2 cm
Description

Angular block cut at all sides with nice banded purple charoite interbedded with aggregates of black acicular aegirine and yellow tinaksite crystals that reach 22 mm.

Ex. J. Muizebelt specimen.

Mineral Data
What's on the rock

Charoite

Formula: 
(K,Sr)15-16(Ca,Na)32[Si6O11(O,OH)6]2[Si12O18(O,OH)12]2[Si17O25(O,OH)18]2(OH,F)4·~3H2O
Strunz: 
9.DG.92
Hardness: 
5.0 - 6.0
Type Locality: 
Murunskii Massif, Chara and Tokko Rivers Confluence, Aldan Shield, Sakha Republic (Saha Republic; Yakutia), Eastern-Siberian Region, Russia

Tinaksite

Formula: 
K2Na(Ca,Mn2+)2Ti[O|Si7O18(OH)]
Strunz: 
9.DG.75
Hardness: 
6.0
Type Locality: 
Murunskii Massif, Chara and Tokko Rivers Confluence, Aldan Shield, Sakha Republic (Saha Republic; Yakutia), Eastern-Siberian Region, Russia

Seller Information

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