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Samarskite-(Yb)

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SKY648643

Samarskite-(Yb)

Type Locality

Description Tabs

Description
Locality: 
Little Patsy Pegmatite, South Platte, Jefferson County, Colorado, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Micromount (under 1cm)
Size: 
0.4 × 0.3 × 0.2 cm
Description

Isolated single crystal group of the very rare ytterbium mineral samarskite-(Yb) from the type and only known locality worldwide.

Ytterbium minerals are extremely rare in Nature since only 4 species from more than 5500 species known are ytterbium minerals!

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

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