Mineral variety

Sperkise

Variety of marcasite.

YellowBrownGrayWhite & ClearMulticolor & Iridescent

Variety of Marcasite.

Properties

Chemical formula—
Elements—
Crystal system—
Mohs hardness—
Density—
Streak—
Color—

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