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Lawsonite

#PD33921
SOLD
Lawsonite from Reed Station, Tiburon Peninsula, Marin Co., California, United States - PD33921
Lawsonite from Reed Station, Tiburon Peninsula, Marin Co., California, United States - PD33921

Lawsonite

#PD33921
Availability
Sold
Size
2 x 4 x 2.5 cm - Miniature 
Formula
CaAl2Si2O7(OH)2·H2O (RRUFF)
Locality
Reed Station, Tiburon Peninsula, Marin Co., California, United States

Light purplish well formed Lawsonite crystals to 5mm richly covering the top side of green Glaucophanitic-Schist matrix.

Lawsonite

Formula
CaAl2Si2O7(OH)2·H2O 
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.

Collection
Phillips Collection
Mineralpedia
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