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Londonite$7,500.00
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Londonite is a rare caesium beryllium oxide found in pegmatites and is named not for the city, but the internationally famed pegmatite expert Dr David London of the University of Oklahoma. This superb specimen is from Antsongombato Gem mine in the Betafo District of Vakinankaratra Region, Antananarivo Province, Madagascar. Specimens such as this from Madagascar, when unanalysed, should really be labelled Londonite-Rhodizite series, but as far as we understand this is a Londonite. Londonite crystallises in the isometric system and on this cabinet specimen forms equant, crisp dodecahedral prisms of pale lemon yellow with outer translucent faces grading to an opaque centre. This is an outstanding specimen of this rare pegmatite species.
Product details
Species
SizeSmall Cabinet
Dimensions9.5 x 7.4 x 4.6 cm
Locality
Antsongombato Gem Mine, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar
SKUCC28243
Listed on12/02/2024
Comments
Known provenance
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