Opalescent Ammonite in Matrix
Lot 3255
Opalescent Ammonite in Matrix
Sold for US$ 14,400 inc. premium
Auction Details
Lot Details
Opalescent Ammonite in Matrix
Placenticeras meeki
Bear Paw Formation, Alberta, Canada

Displaying the lustrous iridescent colors seen in the finest specimens from this locality, a beautiful ammonite on matrix exhibits a brilliant sheen of primarily red, with some green color. The extraordinarily brilliant colors are caused by the combination of millions of years of compression, having been covered with a layer of ice over one mile deep during the Ice Age, and the mineralization of iron, copper and silica precipitated from volcanic ash.
Ammonite diameter measures 12 1/2in. Matrix measures 18 x 22in
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