mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

Samarskite-(Y) with Columbite-Tantalite

#RS58160

Samarskite-(Y) with Columbite-Tantalite

#RS58160
Availability
Sold
Size
3 x 3 x 2 cm - Thumbnail 
Formula
(Y,Ce,U,Fe,Nb)(Nb,Ta,Ti)O4 (RRUFF)
Locality
Divinésia, Minas Gerais, Brazil
Tagged
REE mineral

Superb, terminated and well-formed crystal of rare Samarskite-(Y) with black Columite-Tantalite. Ytterbium may be found in Samarskite so a little 3.5cm vial of Ytterbium oxide is included.

Radioactive!!

Samarskite-(Y)

Formula
(Y,Ce,U,Fe,Nb)(Nb,Ta,Ti)O4 
Crystal System
Orthorhombic 
Crystal Habit
Massive 
Cleavage
Imperfect, None, None 
Luster
Vitreous - Resinous 
Color
black, brownish, yellowish brown 
Streak
reddish brown 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
5-6 

Data courtesy of Webmineral.

Collection
RC Stamberg Collection
Special Info
Radioactive!!

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2022 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map