mineral

Standing Liberty Quarter (Silver Specimen)

Native Silver alloy (Ag with Cu traces)

AI-generated identification · may be incorrect

Hardness: 2.5–3 on Mohs scale; Color: Tarnished metallic grey; Luster: Metallic; Crystal structure: Isometric (fcc) as a metal; Specific Gravity: ~10.3 (90% silver alloy).

Hardness: 2
Color: Tarnished metallic grey
Luster: Metallic

Identified March 15, 2026More mineral →

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Physical properties

Hardness: 2.5–3 on Mohs scale; Color: Tarnished metallic grey; Luster: Metallic; Crystal structure: Isometric (fcc) as a metal; Specific Gravity: ~10.3 (90% silver alloy).

Formation & geological history

Formed via industrial smelting and minting processes. This specific design was minted between 1916 and 1930. The silver itself was likely extracted from hydrothermal vein deposits.

Uses & applications

Originally legal tender currency; currently used for bullion investment and numismatic collecting.

Geological facts

This coin design, by Hermon Atkins MacNeil, was controversial upon release because Liberty's right breast was exposed, leading to a design change (Type 2) in 1917 to cover her with chainmail.

Field identification & locations

Identify by 'Standing Liberty' figure and 13 stars on reverse. Commonly found in coin collections or via metal detecting. In the field, it will not be attracted to magnets and may have a characteristic ring when dropped.