Sulphur
Mineral S
Also called Sulfur, Brimstone, and Native sulphur
Take care.
- Sensitive to heat: Keep it away from heat and sudden changes of temperature, including hot lights and ultrasonic cleaners.
- Fragile: Handle it gently and pack it well; it breaks or crumbles easily.
About it
Bright yellow, very light, and soft, with a faint smell; crystals can crack from the warmth of a hand. Fine crystals come from Agrigento, Sicily, and Bolivia; it also builds up around volcanic vents.
- Type
- Mineral
- Group
- Native element
- Formula
- S
- Hardness (Mohs)
- 1.5–2.5
- Specific gravity
- 2.07
- Streak
- white to pale yellow
- Lustre
- resinous, greasy, adamantine (diamond-like)
- Crystal system
- Orthorhombic
- Colours
- yellow, yellow-brown, greenish yellow
- Transparency
- transparent, translucent
- Cleavage and fracture
- imperfect; conchoidal to uneven fracture, brittle
Typical values: real specimens vary. For more, see mindat.org.