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Coesite

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DVE118983

Coesite

Ex-David J. Eicher Collection
Rare Mineral

Description Tabs

Description
Locality: 
Canyon Diablo Meteorite, Meteor Crater, Coconino County, Arizona, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.8 × 1.2 cm
Description

A rare example of coesite, a high pressure shocked variety of quartz, from Meteor Crater in Arizona, the planet’s most famous impact crater. This specimen resulted from the impact of the Canyon Diablo meteorite, which fell 50,000 years ago.

Mineral Data
What's on the rock

Coesite

Formula: 
SiO2
Strunz: 
4.DA.35
Crystal System: 
Monoclinic
Hardness: 
7.5 - 8.0
Type Locality: 
Meteor Crater (Barringer Crater), Winslow, Coconino Co., Arizona, USA
David J. Eicher

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