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Deerite

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UVM726153

Deerite

Type Locality

Description Tabs

Description
Locality: 
Laytonville Quarry, Laytonville, Mendocino County, California, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.5 × 2.1 cm
Description

Black intergrown crystals of deerite with minor matrix, from the type locality.

Mineral Data
What's on the rock

Deerite

Formula: 
(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
Strunz: 
9.DH.60
Crystal System: 
Monoclinic
Hardness: 
6.0
Colour: 
Black
Streak: 
Dark gray
Type Locality: 
Laytonville Quarry ("Longvale"; "Longvale Quarry"), Laytonville, Coastal Range, Mendocino Co., California, USA...

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