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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 diversilite-(ce), dysprosium oxide, erbium oxide, holmium oxide, kimuraite-(y), and lecoqite-(y) and more from places like Yukspor Mt, Khibiny Massif, Kola Peninsula, Russia, no locality, Kirigo, Hizen-cho, Higashi-Matsuura-gun, Saga, Kyushu Island, Japan, and Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada.

Diversilite-(Ce)

#44106
Locality
Yukspor Mt, Khibiny Massif, Kola Peninsula, Russia 
Formula
Na2Ba6Ce2Fe2+Ti3Si12O36(OH)10·nH2
Availability
Available
Price
$75.00
Size
2.5 x 2 x 1.5 cm - Thumbnail 
Tagged
REE mineral  
Special Info
Type Locality 

Tan platy crystals to 2mm in one place. Type and only locality. Extremely rare.


Diversilite-(Ce)

Formula
Na2Ba6Ce2Fe2+Ti3Si12O36(OH)10·nH2
Crystal System
Trigonal 
Crystal Habit
Fan Shaped, Subhedral Crystals, Platy 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
yellowish orange 
Streak
white 
Class
Trigonal - Pyramidal 
Fracture
Brittle - Conchoidal 
Hardness
Special Info
Type Locality

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.


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.


Kimuraite-(Y)

#PD52151
Locality
Kirigo, Hizen-cho, Higashi-Matsuura-gun, Saga, Kyushu Island, Japan 
Formula
CaY2(CO3)4·6H2
Availability
Available
Price
$40.00
Size
Capsule 
Tagged
phosphate , REE mineral  
Special Info
Type Locality 

White silky looking Kimuraite-(Y). There are approximately 192 IMA and undefined yttrium rare earth minerals. 


Kimuraite-(Y)

Formula
CaY2(CO3)4·6H2
Crystal System
Orthorhombic 
Crystal Habit
Spherical, Aggregates 
Cleavage
Perfect, None, None 
Luster
Vitreous - Silky 
Color
white, light purple pink, light pink 
Streak
white 
Class
Orthorhombic 
Hardness
2.5 
Special Info
Type Locality

Lecoqite-(Y)

#44139
Locality
Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada 
Formula
Na3Y(CO3)3·6H2
Availability
Available
Price
$40.00
Size
Capsule 
Tagged
carbonate , REE mineral  
Special Info
Type Locality 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 
Special Info
Author's Material 

Lecoqite-(Y) is a relatively new mineral, which was published in 2010 by Pekov et al. In the capsule a little bit of white fibrous crystals. It is a portion of the author's study material.


Lecoqite-(Y)

Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
Author's Material

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