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β-Sulphur, β-Sulfur (US spelling)

Year of discovery: 1912 (La Fossa crater (Vulcano island), Italy), 1922 (Japan)

Locality list: 9 localities of β-sulphur

• S
• β-[S₈]

• Class: Sulphur Polymorph group
• Class: Native elements
• Phase transition: Formed on transition of Sulphur above 95.4 degree.
• Phase transition: Transit to Sulphur in some weeks at ambient condition.
• Paramorph: Replaced by Sulphur.

• Polymorph: Rosickýite (Rosickyite) (γ, Monoclinic), Sulphur (Orthorhombic, low temperature)

• Color: Yellow
• Streak: Colorless
• Luster: Resinous
• Diaphaneity: Transparent-Translucent

• Habit: Tabular, Prismatic

• System: Monoclinic
• Group: 2/m, P2₁/a
• Lattice: a=10.8, b=10.8, c=95.8, β=95.8

Etymology: Sulfur in Latin