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Samarskite-(Y)

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JYJ634557

Samarskite-(Y)

Description Tabs

Description
Locality: 
Helle Quarries, Stokken, Arendal, Agder, Norway
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 4.2 × 2.2 cm
Description

A black massive aggregative of slightly radioactive samarskite. 

 

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...