Unique Specimens
One-of-a-kind specimens sourced by Dr. Cotter, who has travelled to 50+ countries worldwide.
Michigan Float Copper
$2,800.00
Replenishing Product
$4,500.00
Spectacular Set of Copper Bookends
$4,500.00
Custom Orders
$13,500.00
Copper-Silver Nugget
$1,350.00
Copper, Datolite & Silver Slab
$3,500.00
Copper-Rich Ore w/ Quartz
$1,150.00
Pink Patagonia Agate
$3,500.00
Copper Bookends
$2,800.00
Crazy Lace Agate Core
$1,750.00
Crazy Lace Agate Core
$1,850.00
Lake Superior Agate (12oz)
$1,250.00
Copper, Datolite & Silver
$4,500.00
Copper Crystals
$8,500.00
Copper-Silver Crystals
$18,500.00
Copper-Silver
$7,500.00
Michigan Native Copper Crystals
$4,800.00
Mohawkite End-Cut
$4,350.00
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