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Proshchenkoite-(Y)

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Proshchenkoite-(Y)

Type Locality

Description Tabs

Description
Locality: 
Tommotskii Massif, Selennyakh Range, Polar Yakutia, Sakha Republic, Russian Federation
Class: 
Massive/Crystalline
Size Range: 
Micromount (under 1cm)
Size: 
0.1 × 0.1 × 0.1 cm
Description

some brownisn crystalline grains of the extremely rare proshchenkoite from the type locality: part of the holotype

from personal collection Luigi Chiappino.

photos taken at only 20/40 enlargements!

Mineral Data
What's on the rock

Proshchenkoite-(Y)

Formula: 
Ca(Y,REE,Ca,Na,Mn)15Fe2+(P,Si)Si6B3O34F14
Strunz: 
9.AJ.35
Hardness: 
5.5 - 0.0
Type Locality: 
Tommotskii Massif, Tommot river, Selennyakh range, Cherskii range system, Polar Yakutia, Sakha Republic (Saha Republic; Yakutia), Eastern-Siberian Region, Russia

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