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gemmy LAURENTTHOMASITE
gemmy LAURENTTHOMASITE gemmy LAURENTTHOMASITE gemmy LAURENTTHOMASITE
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gemmy LAURENTTHOMASITE (Ref: 20484)

Beravina, Ambaro, Tsaraitso, Betroka, Anosy, Madagascar
10mm x 9mm x 5mm
$380
A cool gemmy crystal of extremely rare laurentthomasite from the type locality Beravina, Betroka, Madagascar. Laurentthomasite is one of the rarest gem minerals on Earth. It was found in a limited number just in one locality - the type locality Beravina and pieces like this have always been scarce. The laurentthomasite is a magnesium-potassium cyclosilicate, approved by the IMA in 2019. The mineral carries the name of its discoverer - Laurent Thomas, a well known geologist, prospector and mineral dealer, working mainly in Madagascar. It displays one 8mm crystal sitting on a small base. The base pieces are even rarer. It has a light dichroism: rich ocean-blue color viewed from the front and some yellow-green seen from the side (with a back light). The origin of dichroism lies in the presence of the transition metal ions Fe2+ and Fe3+. It displays gem areas with some internal natural imperfections. It has hardness 6 on Mohs scale. It is complete all over. In excellent condition. On acrylic base., Magnificent – it is a chance to have such gem rarity!,  
Data last checked on 8th Jun 2023 - specimen may no longer be available

From: Quebul Fine Minerals
Buy now from Quebul Fine Minerals

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See Also

gemmy LAURENTTHOMASITE
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* price is an approximate conversion and may not be accurate.

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