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

Jack Zektzer collection at time of photos

© Markus Raschke photos