IMA mineral species

Sperrylite

PtAs₂

Sulfide mineral.

GrayWhite & Clear

Sperrylite specimen
Sperrylite-195702.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density10.563 g/cm³
Very heavy
🔷 Cubic✏️ streak black
Chemical formulaPtAs₂
ElementsPt, As
Crystal systemCubic
Mohs hardness—
Density10.563 g/cm³
Streakblack
Color—
IMA symbolSpy
Nickel–Strunz class2.EB.05a

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

🌍 Where it's found

Type locality (where it was first described): Vermilion mine, Canada

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.