Selenite on Calcite
Don Litchfield
Mineral Sculpture
6”H x 6”W x 4”D
Superb orthorhombic crystals of Selenite occur in cavities in large concretions in the 70-million-year-old ancient Pierre Shale Seaway on Elk Creek, South Dakota. The crystals are quite transparent; and are often implanted on yellow calcite crystals. The concretions were first formed by ancient Mollusks that perished on the seafloor and were rolled into small fossil balls by Ocean currents. Later, nearby Meteorite impacts sent large Tsunami waves down the seaway rolling the small fossil balls into the larger septerian concretions we find exposed today.
Don Litchfield
Mineral Sculpture
6”H x 6”W x 4”D
Superb orthorhombic crystals of Selenite occur in cavities in large concretions in the 70-million-year-old ancient Pierre Shale Seaway on Elk Creek, South Dakota. The crystals are quite transparent; and are often implanted on yellow calcite crystals. The concretions were first formed by ancient Mollusks that perished on the seafloor and were rolled into small fossil balls by Ocean currents. Later, nearby Meteorite impacts sent large Tsunami waves down the seaway rolling the small fossil balls into the larger septerian concretions we find exposed today.
Don Litchfield
Mineral Sculpture
6”H x 6”W x 4”D
Superb orthorhombic crystals of Selenite occur in cavities in large concretions in the 70-million-year-old ancient Pierre Shale Seaway on Elk Creek, South Dakota. The crystals are quite transparent; and are often implanted on yellow calcite crystals. The concretions were first formed by ancient Mollusks that perished on the seafloor and were rolled into small fossil balls by Ocean currents. Later, nearby Meteorite impacts sent large Tsunami waves down the seaway rolling the small fossil balls into the larger septerian concretions we find exposed today.
