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gemmy LAURENTTHOMASITE
gemmy LAURENTTHOMASITE gemmy LAURENTTHOMASITE gemmy LAURENTTHOMASITE gemmy LAURENTTHOMASITE
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gemmy LAURENTTHOMASITE (Ref: 20270)

Beravina, Ambaro, Tsaraitso, Betroka, Anosy, Madagascar
13mm x 6mm x 2mm
A superb 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 a cool dichroism: rich ocean-blue color viewed from the front and 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., Gorgeous – it is a chance to have such gem rarity!,  
From: Quebul Fine Minerals
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See Also

gemmy LAURENTTHOMASITE
Beravina, Ambaro, Tsaraitso, Betroka, Anosy, Madagascar
$320
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From: Quebul Fine Minerals
gemmy LAURENTTHOMASITE
Beravina, Ambaro, Tsaraitso, Betroka, Anosy, Madagascar
$380
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From: Quebul Fine Minerals
Sanidine
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$150
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$280
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Sanidine
Itrongay, Betroka, Anosy Region, Madagascar
$120
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Sapphirine. 8.5 ct.
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Hibonite. 702.0 ct.
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Wernerite. 356.0 ct.
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Scapolite
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$271 *
70mm x 50mm x 40mm
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Sapphirine. 88.5 ct.
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$254 *
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Sapphirine. 3.5 ct.
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$212 *
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Sapphirine. 8.9 ct.
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$212 *
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Sapphire. 31.56 ct.
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$353 *
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* price is an approximate conversion and may not be accurate.

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