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15" Placenticeras Ammonite With Septarian Base - Elk Creek
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About Elk Creek Calcite
Superb rhombohedral crystals of septarian calcite occur in cavities within large concretions from the 70-million-year-old Pierre Shale in Elk Creek, South Dakota. The calcite crystals can be yellow, orange, or gold in color and are sometimes associated with golden barite crystals and selenite. The calcite crystals fluoresce a bright yellow-white under shortwave UV light.
Superb rhombohedral crystals of septarian calcite occur in cavities within large concretions from the 70-million-year-old Pierre Shale in Elk Creek, South Dakota. The calcite crystals can be yellow, orange, or gold in color and are sometimes associated with golden barite crystals and selenite. The calcite crystals fluoresce a bright yellow-white under shortwave UV light.
$6,500
SPECIES
Placenticeras
LOCATION
Elk Creek, Meade County, South Dakota
SIZE
Ammonite: 15" Wide, Entire Piece: 23 x 15 x 9"
CATEGORY
SUB CATEGORY
ITEM
#316057
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