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Opal-AN

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DVE97098

Opal-AN

Ex-David J. Eicher Collection; ex-John H. Eicher Collection

Description Tabs

Description
Locality: 
Richardson Ranch, Madras, Jefferson County, Oregon, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.2 × 1.2 cm
Description

Chunk of off-white/pinkish, translucent, so-called hyalite opal (Opal-AN), from an old collection. Acquired by John H. Eicher in 1941-42. Unusual material.

Mineral Data
What's on the rock

Opal-AN

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Streak: 
white
David J. Eicher

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