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Rare Earth Minerals

Tuesday, 19 April 2022 02:30 PM

Introducing the "Rare Earth Minerals" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including thulium oxide, yttrialite-(y), and yttrogarnet and more from places like no locality, Baringer Hill mine , Bluffton, Llano Co., Texas, United States, and Asgruven, Sweden.

SOLD

Thulium Oxide

#58181

Details
Provenance
Resources

Locality: no locality
Formula: Tm₂O₃
Availability: Sold
Size: 3.5 x 1 x 1 cm - Miniature
Tagged: REE mineral

A small vial of Thulium oxide.

On Dakota Matrix: Previously Sold Thulium Oxide
On Dakota Matrix: Other Available Thulium Oxide
WebMineral: View Thulium Oxide
Mindat: View Thulium Oxide

SOLD

Yttrialite-(Y)

#BW58047

Details
Data
Provenance
Resources

Locality: Baringer Hill mine , Bluffton, Llano Co., Texas, United States
Formula: Y₂Si₂O₇
Availability: Sold
Size: 4 x 3.5 x 2 cm - Miniature
Tagged: REE mineral
Special Info: Type Locality

A nodular mass with a yellowish core and outer reddish rim. The deposit was discovered in 1887 and is a fractionated or zoned pegmatite mined for Gadolinite.

Yttrium was first recognized as a new element in 1794 by chemist Johan Gadolin. The element is used in alloys and in high-tech glass which is heat and shock resistant.