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0 item @ $0.00  

Lawsonite

#42502

Lawsonite

#42502
Availability
Sold
Size
3 x 3 x 1.5 cm - Thumbnail 
Formula
CaAl2Si2O7(OH)2·H2O (RRUFF)
Locality
Reed Station, Tiburon Peninsula, Marin Co., California, United States

Light bluish to blue characteristically striated Lawsonite crystals to over 3mm on green mica,

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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