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  • Exceptional green fluorite specimen featuring sharp, transparent cubic crystals up to 2 cm perched on white pegmatite matrix from Madagascar. The well-formed cubes show excellent luster and color zonation, exhibiting strong purple fluorescence under UV light. The aesthetically arranged crystals make this a superior example from this locality.
  • Exceptional green fluorite specimen featuring sharp, transparent cubic crystals up to 2 cm perched on white pegmatite matrix from Madagascar. The well-formed cubes show excellent luster and color zonation, exhibiting strong purple fluorescence under UV light. The aesthetically arranged crystals make this a superior example from this locality.
  • Exceptional green fluorite specimen featuring sharp, transparent cubic crystals up to 2 cm perched on white pegmatite matrix from Madagascar. The well-formed cubes show excellent luster and color zonation, exhibiting strong purple fluorescence under UV light. The aesthetically arranged crystals make this a superior example from this locality.
  • Exceptional green fluorite specimen featuring sharp, transparent cubic crystals up to 2 cm perched on white pegmatite matrix from Madagascar. The well-formed cubes show excellent luster and color zonation, exhibiting strong purple fluorescence under UV light. The aesthetically arranged crystals make this a superior example from this locality.

FLUORITE

Mandronarivo, Beroroha District, Atsimo-Andrefana Region, Madagascar
11.5 x 10.5 x 8.7 cm
$250.00
$250.00
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ABOUT THE SPECIMEN

An excellent cabinet specimen of Malagasy fluorite with multiple cubes nicely spaced out. The white matrix makes the blue-green color of the cubes stand out strongly. Excellent deep purple fluorescence.

 

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MORE INFO

Mandronarivo sits in the Beroroha District of southwestern Madagascar, where hydrothermal fluorite mineralized in fractures cutting the Precambrian basement - the broader Toliara Province hosts a range of carbonate-associated hydrothermal deposits within this Gondwanan basement terrane. Crystals are cubic, ranging from translucent to near-transparent, in a deep forest-green with a pronounced marine-blue dichroism clearly visible in natural sunlight - a color-shift effect tied to differing absorption along crystallographic axes rather than any fluorescence mechanism, though strong UV fluorescence is also present. Large individual cubes reaching 6 cm on orthoclase or bare matrix appeared at Tucson 2018, marking the locality's effective debut in Western markets. A persistent trade confusion exists between Mandronarivo and the nearby Mandrosonoro locality in Ambatofinandrahana District - both produce green cubic fluorite of comparable quality, and the two names are routinely conflated on dealer labels. Despite prolific overall production, very few pieces of top quality and large crystal size have emerged from either locality, keeping fine examples consistently scarce relative to the volume of lesser material in circulation.