Unique Specimens
One-of-a-kind specimens sourced by Dr. Cotter, who has travelled to 50+ countries worldwide.
Mineral Rich Copper Slab
$550.00
Michigan Float Copper
$1,725.00
Michigan Float Copper
$1,575.00
Michigan Float Copper
$3,800.00
Uniquely Shaped Copper Specimen
$9,500.00
XL Copper-Silver Specimen
$15,000.00
Michigan Float Copper
$2,250.00
Michigan Float Copper
$11,500.00
Copper-Silver Specimen
$7,750.00
Superior Set of Copper Bookends
$5,500.00
Mohawkite Specimen
$13,500.00
Mohawkite Slab
$2,700.00
Michigan Float Copper
$1,750.00
Amethyst Crystal Cluster
$1,350.00
Copper Crystals (The Ballerina)
$7,500.00
Copper, Datolite & Silver Slab
$1,750.00
Pink Patagonia Agate
$3,500.00
Crazy Lace Agate Core
$1,750.00
Crazy Lace Agate Core
$1,850.00
Copper, Datolite & Silver
$1,875.00
Copper Crystals
$8,500.00
Copper-Silver Crystals
$18,500.00
Copper-Silver
$7,500.00
Michigan Native Copper Crystals
$4,800.00
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