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Ferruginous Quartz

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DVE110949

Ferruginous Quartz

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

Description Tabs

Description
Locality: 
Black Hills, Lawrence County, South Dakota, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 3.8 × 0.9 cm
Description

Quartz crystal with sharp edges included with iron atoms; a fine, old-time specimen of so-called ferruginous quartz, from a famous American locality. Acquired by John H. Eicher in the 1930s.

Mineral Data
What's on the rock

Ferruginous Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
0.0
David J. Eicher

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