Colemanite (ex Willard Wulff Collection)

U.S. Borax open pit, U.S. Borax Mine, Kramer Borate deposit, Boron, Kramer District, Kern County, California
Small Cabinet, 7.8 x 7.2 x 3.6 cm
Start Time: 06/15/2017 6:45:00 pm (CDT)
End Time: 06/22/2017 6:45:00 pm (CDT)
Auction Closed

Item Description

A wonderful matrix specimen of sharp, translucent, well-formed, white to colorless crystals of Colemanite from California (originally labeled as coming from Death Valley, but I believe it to be from Kern County. Crystals measure up to mm. Good condition all around, despite a few contacted crystals here and there. This specimen comes 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 Springs Mineralogical Society in 1936. You can read Willard's bio on the Mineralogical Record website here ( http://www.minrec.org/labels.asp?colid=1528 ). The piece comes with a typed label from Wulff on one of his famous 3x5 index cards.

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