25.64g TETRAHEDRAL SPHALERITE MANGANOAN CALCITE SPECIMEN MADAN BULGARIA

Item Information

Dimensions (mm) 30 x 30 x 28mm
Weight (carats) 128.2 carats
Colors
No Treatment

TETRAHEDRAL SPHALERITE, MANGANOAN CALCITE CRYSTALS SPECIMEN

The name Sphalerite is from the Greek word "Sphaleros" which means deceiving.

ALL PHOTOS AND VIDEO WERE TAKEN IN NATURAL DAYLIGHT

MUCH MORE IMPRESSIVE THAN THE PHOTOS REVEAL

ORIGIN : MADAN, BULGARIA

Madan, in the Rhodope Mountains of Bulgaria, just north of the frontier with Greece, is an ancient ore-miners’ settlement. The history of mining in the Madan region extends back at least as far as the Thracians in the fifth century B.C. where the extraction of lead ore began.

A wonderful example from the Madan ore field in Bulgaria consisting of black metallic tetrahedral Sphalerite crystals which have a fantastic shiny luster along with well formed UV reactive Manganoan Calcite crystal cluster which glows under long wave ultraviolet light (see pictures) . Specimen is very interesting under magnification as there are numerous features to explore,view the well formed Sphalerite crystals up close and enjoy viewing the 'fish scales' texture on the Calcite crystals, as a bonus can you spot the tiny micro Quartz crystals on the back. Although crystals are obvious to the naked eye, specimen requires magnification in order to fully enjoy the range of interesting structures. A small but mighty mixed specimen that the Madan ore field is known for. Specimen will look great on display in your UV collection. Highest bidder will not be disappointed. Will be a delightful addition to any mineral or rock collection. Do not miss this opportunity.

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Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 1473738
Watchers 15 watching
Viewed 243 times
Starts 5th May 2021 7:44am PDT
Ends 26th May 2021 7:45am PDT

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