Formula: Sb
Origin of name: From Greek antimos = against solitude
Crystal system: Hexagonal
Crystal class: -3 2/m
Twinning: Common on {10-14}, polysynthetic or cyclic (fourlings, sixlings)
Unit cell: a = 4.307 Å, c = 11.27 Å
Colour: Tin-white
Diaphaneity: Opaque
Habit: Crystals pseudo-cubic or thick tabular; massive, lamellar, radiated
Hardness: 3 to 3.5
Specific gravity: 6.69
Cleavage: 4; {0001} perfect, {10-11} distinct, {10-14} imperfect, {10-20} indistinct
Streak: Grey
Synonyms/varieties:
Comments: In hydrothermal veins
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