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0 item @ $0.00  

Rare Earth Minerals

Thursday, 27 February 2020 12:00 PM

Introducing the "Rare Earth Minerals" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including dysprosium oxide, erbium oxide, europium oxide, gadolinite-(y), holmium oxide, and iimoriite-(y) and more from places like no locality, Mt. Parusnaya, Western Keivy, Kola, Russia, and Åskagen, Persberg dist., Filipstad, Värmland, Sweden.

Dysprosium Oxide

#52267
Locality
no locality 
Formula
Dy2O3 
Availability
Available
Price
$33.00
Size
4 x 1 x 1 cm - Miniature 
Tagged
REE oxide  

Small vial of Dysprosium oxide.


Erbium Oxide

#52263
Locality
no locality 
Formula
Er2O3 
Availability
Available
Price
$41.00
Size
4 x 1 x 1 cm - Miniature 
Tagged
REE oxide  

Small vial of Erbium oxide.


SOLD
Europium oxide - 52271
Europium oxide - 52271

Europium Oxide

#52271
Locality
no locality 
Formula
Eu2O3 
Availability
Sold
Size
4 x 1 x 1 cm - Miniature 
Tagged
REE oxide  

Small vial of Europium oxide.


Gadolinite-(Y)

#46459
Locality
Mt. Parusnaya, Western Keivy, Kola, Russia 
Formula
Be2Fe2+Y2Si2O10 
Availability
Sold
Size
2.5 x 2.5 x 2 cm - Thumbnail 
Tagged
beryllium , REE mineral  

Gadolinite was discovered in 1787 in Ytterby, Sweden and was found to contain the first rare-earth elements cerium and yttrium. This specimen contains a 3mm crystal grain at the red arrow. The deposit is a rare-earth pegmatite with amazonite, also contained in the specimen.


Gadolinite-(Y)

Formula
Be2Fe2+Y2Si2O10 
Crystal System
Monoclinic 
Crystal Habit
Massive, Crystalline - Poor, Prismatic 
Cleavage
None, None, None 
Luster
Vitreous - Greasy 
Color
brown, green, green black, light green, black 
Streak
greenish gray 
Class
Monoclinic - Prismatic 
Fracture
Splintery 
Hardness
6.5-7 

Holmium Oxide

#52265
Locality
no locality 
Formula
Ho2O3 
Availability
Available
Price
$40.00
Size
4 x 1 x 1 cm - Miniature 
Tagged
REE oxide  

Small vial of Holmium oxide.


Iimoriite-(Y)

#38533
Locality
Åskagen, Persberg dist., Filipstad, Värmland, Sweden 
Formula
Y2(SiO4)(CO3
Availability
Sold
Size
4.5 x 2 x 2 cm - Miniature 
Tagged
carbonate , REE mineral  

Massive Iimoriite-(Y) shown as yellowish brown and pinkish zones.


Iimoriite-(Y)

Formula
Y2(SiO4)(CO3
Crystal System
Triclinic 
Cleavage
Distinct, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, gray pink, white, purple gray 
Streak
white 
Class
Triclinic - Pinacoidal 
Hardness
5.5-6 

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