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Chromian Lawsonite

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PFK562811

Chromian Lawsonite

Description Tabs

Description
Locality: 
Cape Marmari, Grammata Bay, Syros Island, Syros, South Aegean, Greece
Class: 
Crystals on Matrix
Size Range: 
Museum (18cm plus)
Size: 
20.7 × 17.2 × 5.5 cm
Largest Crystal: 
1.20cm
Description

A good, rich and very large plate, filled with crystals of lawsonite up to 1.2cm across! As a bonus, tiny garnet crystals are scattered among the lawsonites adding to the association and making for a rare and unusual combination.

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

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway

Seller Information

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