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Fedorite & Charoite

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MEX684664

Fedorite & Charoite

Rare Mineral

Description Tabs

Description
Locality: 
Murunskii Massif, Aldan Shield, Sakha Republic, Russian Federation
Class: 
Mixed Specimens
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 4.7 × 3.3 cm
Weight: 
113.00gr
Description

Fedorite shows here mica-like pinkish, tabular crystals with light violet charoite groups on matrix.

Mineral Data
What's on the rock

Fedorite

Formula: 
(Na,K)2-3(Ca4Na3)Si16O38(OH,F)2·3.5H2O
Strunz: 
9.EE.80
Hardness: 
0.0
Type Locality: 
Turii alkaline Massif (Turiy massif), Turii Cape, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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