IMA mineral species

Native silicon

Si

Mineral, as opposed to the chemical element.

Native silicon specimen
Silicon.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaSi
ElementsSi
Crystal systemCubic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolSi
Nickel–Strunz class1.CB.15

“—” means no reliable value in Wikidata yet. Check Mindat for full data.