Top: largest known ZEKTZERITE (crystal is 3.7 cm)
Bottom: shortwave fluorescent photo of same
ZEKTZERITE (right), smaller ZEKTZERITE (left) and strongly fluorescent lab grown ZEKTZERITE (center)
Golden Horn Batholith, Washington Pass, Okanogan County, Washington, USA

Jack Zektzer collection at time of photos

Markus Raschke

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