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Quartz
Silicon dioxide
SiO2


Quartz in the East Region

  • No notable occurrences in database yet.

Quartz in the Front Range Region

  • No notable occurrences in database yet.

Quartz in the Northwest Region

  • No notable occurrences in database yet.

Quartz in the South Central Region

  • No notable occurrences in database yet.

Quartz in the Southwest Region

  • No notable occurrences in database yet.

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Typical Black Cloud sulfide ore coated by quartz crystals to 1.5 cm with a secondary growth coating most of the plate. There are casts in the secondary overgrowth that look like possible casts of earlier dolomite crystals. From the Black Cloud Mine in Leadville. Measures 8 x 4 cm.
Photo courtesy of Dave Bunk Minerals.

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Although a common mineral, quartz is rare at the Eagle Mine. This is a nice, sharp, gemmy crystal scattered with a few small siderite crystals. Measures 3 x 4 cm.
Photo courtesy of Dave Bunk Minerals.

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This quartz group has some calcite growing mainly on one side of the specimen. From the Idarado Mine, Ouray Co. Measures 5 x 8 x 4.5cm.
Photo courtesy of Kevin Conroy Minerals.

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