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Ashcroftine-(Y)

#BAC65263
SOLD
Ashcroftine-(Y) from Mont Saint-Hilaire, Montérégie, Québec, Canada - BAC65263
Ashcroftine-(Y) from Mont Saint-Hilaire, Montérégie, Québec, Canada - BAC65263

Ashcroftine-(Y)

#BAC65263
Availability
Sold
Size
2 x 0.8 x 1.3 cm - Thumbnail 
Formula
K5Na5Y12Si28O70(OH)2(CO3)8·8H2O (RRUFF)
Locality
Mont Saint-Hilaire, Montérégie, Québec, Canada
Tagged
carbonate , REE mineral

Beautiful pink fibrous crystals with unknown minerals.

Ashcroftine-(Y)

Formula
K5Na5Y12Si28O70(OH)2(CO3)8·8H2O 
Crystal System
Tetragonal 
Crystal Habit
Fibrous, Prismatic 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous - Silky 
Color
light violet, pink, pinkish brown, deep violet 
Streak
white 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Flexible 
Hardness
5 

Data courtesy of Webmineral.

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