OS pocket, Ouray, Ouray District, San Juan Mts, Ouray Co., Colorado

13.7 x 5.3 x 1.3 cm

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A long, flat crystal of Anhydrite which has completely pseudomorphed to Quartz. The Quartz crystal are well formed, small, short and stubby, have a good sparkly luster and are off white in color. According to the description on mindat, the largest specimens found were approaching 15 cm, which means this particular specimen was one of the largest recovered. The name of the pocket has an interesting origin. As the specimens were being recovered, the collectors, at the sight of these large pseudomorphs. began to exclaim, Oh Sh## , which was abbreviated to OS for nicety's sake.

Condition: Good

Flaws: There are two small bruised areas on one side of the specimen. The other side is pristine.

This mineral is also found in the following galleries: Minerals From the United States | Quartz | Pseudomorphs | Minerals Priced Between 200 and 299 Dollars