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demantoid garnet
22 avril 2014

Bonhams in Los Angeles selling largest ruby crystal ever offered at auction in gems sale

Bonhams in Los Angeles selling largest ruby crystal ever offered at auction in gems sale
Collection of 27 Rhodochrosites--"Red Gold" from the Kalahari. N'Chwaning 1 Mine, N'Chwaning 2 Mine, Hotzatel Mine, Wessels Mine, Black Rock Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Estimate US$ 200,000 - 250,000 ( €140,000...
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28 janvier 2009

Demantoid Garnet and diamond 'grasshopper' brooch, circa 1900

Demantoid Garnet and diamond 'grasshopper' brooch, circa 1900
Demantoid Garnet and diamond 'grasshopper' brooch, circa 1900 The realistically modelled insect set with numerous round demantoid garnets and with 36 old European-cut and single-cut diamonds weighing approximately .70 carat, the eye accented with a small...
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