Sulfur on Aragonite

Sulfur – S

Elements: Sulfur

Class: Native Elements – Native Nonmetals

Crystal System: Orthorhombic

Hardness: 1.5-2.5

Gypsum

Talc (1)Diamond (10)

Soft. A fingernail can scratch it.

Aragonite – Ca(CO₃)

Elements: Calcium, Carbon, Oxygen

Class: Carbonates

Crystal System: Orthorhombic

Hardness: 3.5-4

Fluorite

Talc (1)Diamond (10)

Softer than glass. A steel knife scratches it.

Origin: Agrigento, Sicily – Italy

More Native Elements