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Samarskite-(Yb)

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CSL138151

Samarskite-(Yb)

Type Locality

Description Tabs

Description
Locality: 
Little Patsy Pegmatite, South Platte, Jefferson County, Colorado, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 0.8 × 0.6 cm
Description

Samarskite-(Yb) is a very rare one locality mineral from Colorado, USA. It forms chocolate brown glassy masses with columbite-(Fe). This is the Ytterbium analogue of samarskite-(Y).

Mineral Data
What's on the rock

Samarskite-(Yb)

Formula: 
(Yb,Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Strunz: 
4.DB.25
Hardness: 
0.0
Type Locality: 
Little Patsy pegmatite (Patsy pegmatite), South Platte Pegmatite District, Jefferson Co., Colorado, USA
Loranth Minerals

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