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Silicon dioxide

Quartz in the East Region

  • No notable occurrences in database yet.

Quartz in the Front Range Region

Quartz in the Northwest Region

Quartz in the South Central Region

Quartz in the Southwest Region


An excellent large cluster of quartz epimorphs after barite from the Idarado Mine. Although singles are common enough to obtain, clusters are uncommon in this size, and in good shape. Ex. Ed David Collection. Measures 10 x 8 x 6 cm.
Photo courtesy of The Arkenstone.


A nice miniature quartz after calcite from the 1988 find. This one has the unusual orange staining left from an early sulfide deposition. From the Ohio Mine, Ouray County. Specimen is 3.5 x 6 cm.
Photo courtesy of Dave Bunk Minerals.


Quartz encrustation (epimorph) of a barite blade from the Silver Point Mine in Ouray County. Specimen is 9 cm long.

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