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Beryls in general
As of 1963 the cumulative production of the area was 240 million troy ounces of Silver = $6
similar to silica glass
Good condition on the front
lustrous Hyalite Opal intergrown to form a very eye-catching and fine quality group aesthetically sitting on matrix
Calcite on Quartz Chlorargyrite Beryls in generalA most unusual Calcite specimen from the Idarado that clashes with the typical feathery Manganoan Calcites that we are used to seeing from this mine. Small groups of what I call popcorn Calcite are overgrowing a group of Milky Quartz crystals. Very different for the Idarado Mine, and certainly worth picking up if you are a collector of San Juan minerals. The Idarado Mine was one of the most productive San Juan localities and actually extended through
US$ 53.70
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