3lb+ Colorado Silver Ore Specimen Danburite with natural sunlight bringing out

with natural sunlight bringing out the absolute best

The Stone: Tourmaline

75 inches x 0

The Measurements: Approximately 5" x 1

November birthstone

3lb+ Colorado Silver Ore Specimen Danburite with natural sunlight bringing outNative Silver Ore: An exceptionally large and heavy specimen, Colorado silver mines are now only producing a fraction of what they once were. This particular piece of ore is solid silver with a calcite crust on the bottom. More Information The Weight: Approximately 3. 1 pounds The Origin: Colorado, USA The Measurements: 151. 54mm (6") x 93. 06mm (3. 7") x 58. 89mm (2. 3") The Scientific: Mohs hardness: 2. 5 3 isometric crystal system (also referred to