PYRITE, QUARTZ, MANGANOAN CALCITE SPECIMEN

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 of a mixed mineral specimen from the Madan ore field in Bulgaria consisting of shiny golden Pyrite among terminated Quartz crystals all over the specimen. There is also minor UV reactive Manganoan Calcite crystals which glow a delightful sweet bright neon watermelon pink to coral pink color under long wave ultraviolet light (see pictures). Specimen is very interesting under magnification as there are numerous features to explore, spot the minor black Sphalerite with interesting formations. The greenish mineral is Chlorite. Although crystals are obvious to the naked eye, specimen requires magnification in order to enjoy the interesting structures. Will be a delightful addition to any mineral or rock collection. Do not miss this opportunity.

Please note : Fluorescence is a phenomenon that causes a mineral to "glow" within the visible spectrum when exposed to ultraviolet light. Ultraviolet light is a form of electromagnetic radiation invisible to the human eye. The ultraviolet reaction is only visible with a special fluorescent torch / lamp with a filter that blocks white light but allows ultraviolet light to pass through. In order to achieve satisfactory results, do not use inexpensive 'UV' lights. The UV long wave torch I use to take the photos with is a Convoy S2+ Nichia UV 365nm LED Flashlight with filter lens. Keep in mind that not only wattage, filtration but also distance from the UV torch to specimen are significant factors for best results. Use protective UV-absorbing goggles, for extended viewing.

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