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Metacinnabar

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ESM600451

Metacinnabar

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Description
Locality: 
Mount Diablo Mine, Clayton, Contra Costa County, California, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.5 × 5 × 3.5 cm
Description

Rounded dark-grey metallic metacinnabar crystals

Mineral Data
What's on the rock

Metacinnabar

Formula: 
HgS
Strunz: 
2.CB.05a
Hardness: 
3.0
Type Locality: 
Redington Mine (Boston Mine; Knoxville Mine; Excellsior Mine), Knoxville, Knoxville District, Napa Co., California, USA
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