1 Chrysocolla Boulder, Congo
Lot 1335
Chrysocolla Boulder
Sold for US$ 2,750 inc. premium
Lot Details
Chrysocolla Boulder
Democratic Republic of the Congo
Chrysocolla is a hydrated copper silicate, a mineral that forms in the oxidation areas of copper ore where it is associated with a number of secondary copper inclusive minerals. Due to its attractive blue-green color it is sometimes confused with turquoise. The hardness is sufficiently high to allow for a bright, mirror polish. Contour polished to reveal concentric circles of brilliant blue and green creating a striking visual impact. Measures 10 x 9 x 2in
  1. Claudia Florian, G.J.G
    Auction Administration - Natural History
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