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Samarskite-(Y) & Churchite-(Y)

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POL897889

Samarskite-(Y) & Churchite-(Y)

Analysed
Radioactive

Description Tabs

Description
Locality: 
Mitchell County, North Carolina, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.1 × 0.6 cm
Description

Nice solid piece of black Samarskite-(Y) with thin film of Churchite-(Y) on one side. Analysed!

Mineral Data
What's on the rock

Samarskite-(Y)

Formula: 
(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Strunz: 
4.DB.25
Hardness: 
5.0 - 6.0
Type Locality: 
Blyumovskaya Pit (Blum Pit; Pit No. 50), Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

Churchite-(Y)

Formula: 
Y(PO4)·2H2O
Strunz: 
8.CJ.50
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Maffei Mine (Nitzelbuch Mine), Nitzlbuch (Nitzelbuch), Auerbach, Upper Palatinate, Bavaria, Germany

Seller Information

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