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Silver

Year of discovery: Prehistoric (World), 1875 (Japan)

Locality list: 171 localities of silver

• Ag

• Class: Gold group
• Class: Native elements
• Soluble in: HNO₃, H₂SO₄
• Insoluble in: HCl
• Magnetism: Paramagnetic
• Electrical: Electrostatic (Rubbed, Negative)
• Surface turns black by acanthite on sulfurization.

• Ag => Au: Gold (Series)
• Ag => Pd: Palladium (Series)

• Color: Silver white
• Tarnish: Black (by sulfurization)
• Streak: Silver white
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Cubic, Octahedral, Dodecahedral, Wiry, Thin coating
• Aggregate: Columnar
• Twin: {111} simple and repeated

• Cleavage: No
• Hardness: 2.5-3
• Density: 10.5

• System: Cubic (3C), Hexagonal (2H, 4H)
• Group: m3m, Fm3m
• Lattice: a=4.1

Etymology: Soelfer (metal) in old English

Synonym: Native silver