DescriptionRare Gemstone: Hambergite - 21.26 Ct.
Anjanabonoina Pegmatites, Ambohimanambola Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar
Hambergite is distinctive for possessing very low density combined with very high double refraction. The present trapezium shaped example was faceted from rough found in 2000. It is an unusual gemstone that is hard enough for wear in jewelry. Since Hambergites larger than 5 cts. are rare, that makes this stone, at over 21 cts., monstrously large.
Measurements: 29.57 x 14.59 x 9.10 mm, 21.26 cts.
Offered at no reserve.
Provenance: Rainbow of Africa Collection
Estimate: $1,200 - $1,800.
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