Crystal Prospect

fluorescent CALCITE and "Ruby Jack" SPHALERITE - Joplin, Jasper Co., Missouri, USA

Scalenohedral Calcite crystals with adamantine “Ruby Jack” Sphalerite, glassy clear Quartz, gray Galena stepped cleavages and a trace of purple Fluorite.

The Calcite exhibits a pale fluorescence under LW UV, very weak in SW.

#150, ex John Kohnowich, ex Robert Batić

from Joplin Field, Tri-State District, Jasper County, Missouri, USA

all mines are long closed

Measures approximately 5 x 3 x 2.5 inch, 1 lb 3.35 oz / 127 x 76 x 6 mm, 548g

Price: 350.00 USD

Item # A0710115

To show the fluorescent response the specimen was illuminated using 6 watt 254nm (Short Wave) / 366nm (Long Wave) UVGL-58 lamp (you need a proper UV light source to observe the fluorescence, more powerful lamp = brighter response).