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Mckelveyite-(Y) on Allanite

#DP52221
SOLD
Mckelveyite-(Y) from Bastnäs mines, Riddarhyttan, Västmanland, Sweden - DP52221
Mckelveyite-(Y) from Bastnäs mines, Riddarhyttan, Västmanland, Sweden - DP52221

Mckelveyite-(Y) on Allanite

#DP52221
Availability
Sold
Size
1.5 x 1.2 x 0.8 cm - Thumbnail 
Formula
NaBa3(Ca,U)Y(CO3)6·3H2O (RRUFF)
Locality
Bastnäs mines, Riddarhyttan, Västmanland, Sweden
Tagged
carbonate , REE mineral

Mckelveyite-(Y) is a rare yttrium carbonate. Dark greenish plates on black Allanite. Questionable ID.

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 

Data courtesy of Webmineral.

Collection
Don Phillips Collection
Mineralpedia
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