mineral
Silver (Native Element)
Silver (Ag) in an alloy of 90% Silver and 10% Copper
AI-generated identification · may be incorrectHardness: 2.5-3.0 Mohs; Color: Metallic silver-white (tarnishes to black); Luster: Metallic; Crystal Structure: Isometric; Cleavage: None; Specific Gravity: 10.5
- Hardness
- 2
- Color
- Metallic silver-white (tarnishes to black)
- Luster
- Metallic
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Physical properties
Hardness: 2.5-3.0 Mohs; Color: Metallic silver-white (tarnishes to black); Luster: Metallic; Crystal Structure: Isometric; Cleavage: None; Specific Gravity: 10.5
Formation & geological history
Formed in hydrothermal veins and oxidation zones of ore deposits. Native silver is often associated with quartz, calcite, and various sulfides. This specimen was minted in 1882 from refined ore.
Uses & applications
Historically used as legal tender and currency. Industrially used in electronics, photography, and jewelry due to high conductivity and luster.
Geological facts
This specific item is a 1882 Morgan Silver Dollar, designed by George T. Morgan. It contains 0.77344 troy ounces of pure silver. The design features Lady Liberty on the obverse.
Field identification & locations
Identify by weight (26.73g), diameter (38.1mm), and metallic 'ping' sound when struck. Common in numismatic collections and historical silver hoards.
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