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Fedorite & Charoite

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WND866355

Fedorite & Charoite

Rare Minerals - Type Locality
Classic Locality

Description Tabs

Description
Locality: 
Davan Stream, Murunskii Massif, Aldan Shield, Sakha Republic, Russian Federation
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 5.4 × 2.5 cm
Description

This is a fine combination piece of two relatively rare species from the Daran Valley of Murunskii Massif, Russia. For light violet Charoite this site is the type locality. The Fedorite istelf features creamy-brownish, stalky-fibrous crystals. A good specimen.

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
Wendel Minerals

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