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Samarskite-(Y)

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CAM220138

Samarskite-(Y)

Description Tabs

Description
Locality: 
Midtbø, Tvedestrand, Agder, Norway
Size Range: 
Cabinet (10-18 cm)
Size: 
14 × 7.5 × 2.4 cm
Description

A good coverage of brown-black crystalline vitreous samarskite Y in matrix. An unusual large example of this complex yttrium-thorium-oxide.

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...
Cartils Minerals

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