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0 item @ $0.00  

Lawsonite

#54044

Lawsonite

#54044
Availability
Sold
Size
7 x 4.5 x 4 cm - Sm Cabinet 
Formula
CaAl2Si2O7(OH)2·H2O (RRUFF)
Locality
Reed Station, Tiburon Peninsula, Marin Co., California, United States

Blue partial crystal sections of this rare metamorphic mineral to over 1cm. Rich piece.

Lawsonite

Formula
CaAl2Si2O7(OH)2·H2
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Tabular 
Cleavage
Perfect, Perfect, Poor 
Luster
Vitreous - Greasy 
Color
colorless, white, gray, blue, pinkish 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness
7.5 

Data courtesy of Webmineral.

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