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Cowlesite

#PD53295

Cowlesite

#PD53295
Availability
Sold
Size
6 x 4 x 4 cm - Sm Cabinet 
Formula
Ca(Al2Si3)O10·5-6H2O (RRUFF)
Locality
Green Road quarry, Ballyclare, Co. Antrim, Northern Ireland

Murky white, murky Cowlesite foming bubbly crystal groups. The actual crystals can be seen lining the outer edges of the void of basalt in which they grew.

Cowlesite

Formula
Ca(Al2Si3)O10·5-6H2
Crystal System
Orthorhombic 
Crystal Habit
Bladed, Stellate 
Cleavage
Perfect, None, None 
Luster
Vitreous - Greasy 
Color
colorless, gray white, white 
Streak
white 
Class
Orthorhombic 
Hardness
5-5.5 

Data courtesy of Webmineral.

Collection
Don Phillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Cowlesite
On Dakota Matrix
Other Available Cowlesite
WebMineral
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Mindat
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