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Silver
.9" Bright SILVER on Copper Crystal COPPER HA...
$43.55$65.00
Copper and silver half-breed specimens like this one from Upper Michigan are high on the bucket list..
1.2" Bright SILVER-on-COPPER HALFBREED Crysta...
$67.00$100.00
A "half-breed" mineral specimen features a combination of copper and silver in the same piece, a der..
1.5" SILVER WIRE Curled Twisting Crystals on ...
$375.00$750.00
Here's a rare specimen of NATIVE WIRE SILVER on acanthite matrix that came from the Imiter Mine in D..
2.2" Dark Brown Copper w-Silver HALFBREED Cry...
$33.50$50.00
Copper-silver "halfbreeds" are a physical mixture of native silver and native copper. They form crys..