Geological reconnaissance of the Grizzly Creek gemstone deposit, Laramie Mountains, Wyoming–Potential source of iolite, sapphire, ruby and kyanite
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posted on 01.01.2004, 00:00 authored by W.D. Hausel, W.M. SutherlandGeological reconnaissance of the Grizzly Creek gemstone deposit, Laramie Mountains, Wyoming–Potential source of iolite, sapphire, ruby and kyanite