18MA31 Grandidierite
Tranomaro Commune, Amboasary District, Anosy Region, Tuléar Province, Madagascar
2.9x 0.85x 0.35 cm
$430

An excellent thumbnail specimen of **terminated** grandidierite.  It is nearly impossible to find examples with visible terminations.

In 2016 there was a rather spectacular find of this very rare blue-green borosilicate mineral in southern Madagascar.  I has seen some available on my previous trip, but the quality was horrible-- they were basically formless shards, and few if any had crystal faces.

There was a little bit more available this time around, but once again, the majority were shards.  Still, I looked through them and was able to obtain a small number of pieces that had visible crystal faces, or even a termination-- this one has both and is quite exceptional.  This is probably one of the top two thumbnail sized examples of this material that I am offering.










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18MA04 Grandidierite
Tranomaro Commune, Amboasary District, Anosy Region, Tuléar Province, Madagascar
3.8x 3.2x 1.4 cm
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18MA29 Grandidierite
Tranomaro Commune, Amboasary District, Anosy Region, Tuléar Province, Madagascar
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18MA30 Grandidierite
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