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Recently Released New Additions

Rare Minerals

Sunday, 16 April 2023 06:00 PM

Introducing the "Rare Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including mckelveyite-(y), and meurigite-k and more from places like Mont Saint-Hilaire, Montérégie, Québec, Canada, and Hagendorf-Süd, Oberpfälzer Wald, Bavaria, Germany.

Mckelveyite-(Y) - BAC61458
Mckelveyite-(Y) - BAC61458

Mckelveyite-(Y)

#BAC61458
Locality
Mont Saint-Hilaire, Montérégie, Québec, Canada 
Formula
NaBa3(Ca,U)Y(CO3)6·3H2O 
Availability
Available
Price
$125.00
Size
4 x 3 x 2 cm - Miniature 
Tagged
carbonate , REE mineral  

Interesting yellowish crystals forming saucer-like stacked groups to 1mm in Albite and Phlogopite matrix.


Mckelveyite-(Y)

Formula
NaBa3(Ca,U)Y(CO3)6·3H2O 
Crystal System
Monoclinic 
Crystal Habit
Pyramidal 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
yellow, black, greenish gray, white, gray 
Streak
white 
Class
Monoclinic - Domatic 
Hardness
3.5-4 
Collection
William & Anne Cook Collection
Mineralpedia
View Mckelveyite-(Y)
On Dakota Matrix
Previously Sold Mckelveyite-(Y)
On Dakota Matrix
Other Available Mckelveyite-(Y)
WebMineral
View Mckelveyite-(Y)
Mindat
View Mckelveyite-(Y)
Meurigite-K - BAC61506
Meurigite-K - BAC61506

Meurigite-K

#BAC61506
Locality
Hagendorf-Süd, Oberpfälzer Wald, Bavaria, Germany 
Formula
[K(H2O)2.5][Fe3+8(PO4)6(OH)7]·4H2O 
Availability
Available
Price
$45.00
Size
2 x 1.5 x 1.6 cm - Thumbnail 
Tagged
phosphate  

Tiny radiating mustard yellow crystals in an area of 5 x 3mm enclosed in what looks like Rockbridgeite.


Meurigite-K

Formula
[K(H2O)2.5][Fe3+8(PO4)6(OH)7]·4H2O 
Crystal System
Monoclinic 
Crystal Habit
Tabular, Spherical 
Cleavage
Good, None, None 
Luster
Silky 
Color
white, cream, yellowish brown, pale yellow, canary yellow 
Streak
pale yellowish white 
Class
Monoclinic - Prismatic 
Hardness
3 
Collection
William & Anne Cook Collection
Mineralpedia
View Meurigite-K
On Dakota Matrix
Previously Sold Meurigite-K
On Dakota Matrix
Other Available Meurigite-K
WebMineral
View Meurigite-K
Mindat
View Meurigite-K

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