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Bismuth (Photo)

Year of discovery: 1753 (Schneeberg district, Germany), 1892 (Japan)

Locality list: 182 localities of bismuth

• Bi

• Class: Arsenic group
• Class: Native elements
• Insoluble in: HCl
• Magnetism: Diamagnetic (Strong)

• Bi_0.66 => Au: Maldonite

• Color: Pinkish silver white
• Tarnish: Reddish brown
• Streak: Silver white
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Hopper crystal, Massive, Foliate, Granular
• Aggregate: Parallel
• Twin: Common

• Cleavage: Perfect on {0001} (1 plane), Distinct on {1011} (3 planes), {1014} (1 plane)
• Hardness: 2-2.5
• Density: 9.8

• System: Trigonal
• Group: (-3)m, R(-3)m
• Lattice: a=4.6, c=11.9

Etymology: Weisse masse (white massive) in German changed via "wismuth" to "bismuth".

Synonym: Native bismuth