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are typically etched
Specimen # BOL711B247
If you’re a Bolivian mineral collector
as is the case with the majority of Ferberites from Tasna
The crystallized Quartz surrounding the Brookites is rarely seen from this area and makes for such a lovely and eye-catching overall piece
Microcline (var: Amazonite) iron are typically etchedA nice thumbnail sized group featuring sharp, lustrous rich blue green colored crystals of Amazonite with minor attached Albite (var:: Cleavelandite). One corner has a contact, but the color and form make it a worthwhile thumbnail of this classic material. From the collection of Willard W. Wulff (1904 1998) of Colorado Springs, Colorado, a prominent figure and collector of Colorado minerals. Wulff was one of the founding members of the Colorado
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