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Marcasite after pyrrhotite with pyrite
Fluorescent with 365nm long wave ultraviolet light
It is cut and ground into the traditional Jalgaon display form—flat-bottom and self-standing—so the pocket is presented face-forward
much of the mining is done in thousands of small hand-worked digs
Phosphorescent Golden Honey Calcite Crystals on Druzy Quartz in Basalt Pocket faden Marcasite after pyrrhotite with pyriteFluorescent and phosphorescent Honey Yellow Calcite on druzy quartz, with a classic zeolite assemblage in a celadonite lined basalt vesicle. This specimen is a classic example of secondary mineralization from the basalt cavities of the Deccan Traps in western India, an area world renowned for producing aesthetic calcite, quartz, and zeolite combinations. The piece displays a cross section through a mineralized gas vesicle (lava bubble). It is cut and
