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Lawsonite

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HCH514869

Lawsonite

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Description
Locality: 
Cazadero, Sonoma County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2 × 2 cm
Largest Crystal: 
0.10cm
Description

Lath-like crystals of Lawsonite up to 1 mm large are sitting on massive Glaukophane.

Mineral Data
What's on the rock

Lawsonite

Formula: 
CaAl2(Si2O7)(OH)2·H2O
Strunz: 
9.BE.05
Hardness: 
7.5
Streak: 
white
Type Locality: 
Reed Station, Tiburon Uplands Nature Preserve, Tiburon Peninsula, Marin Co., California, USA

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