Sulfur

Real mineral · common · S

Native element deposited around volcanic vents and fumaroles where hydrogen sulfide gas meets oxidising conditions. Also precipitates in evaporite sequences. Burns with a distinctive blue flame and pungent odour.

Identity

Formula

S

Chemical class

native_element

Also known as

Brimstone, Native sulfur

Crystallography

Crystal system

orthorhombic

Habits

prismatic, pyramidal, massive, granular

Fracture

conchoidal

Physical properties

Mohs hardness

2

Density

2.07 g/cm³

Luster

resinous, waxy

Colors

yellow, orange-yellow, brownish yellow

Streak

white to yellow

Transparency

transparent, translucent

Geology

Origins

volcanic, sedimentary

Host rocks

volcanic deposits, evaporite, limestone

Associated minerals

Gypsum, Calcite, Pyrite, Halite

Geography

Italy (Sicily), USA (Louisiana), Japan, Chile

Classification

Rarity

common

Gem quality

No

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