IMA mineral species

Tilasite

CaMg(AsO₄)F

Arsenate mineral.

Tilasite specimen
Grischunite & Tilasite.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density3.625 g/cm³
Heavy
Chemical formulaCaMg(AsO₄)F
ElementsCa, Mg, As, O, F
Crystal systemMonoclinic
Mohs hardness—
Density3.625 g/cm³
Streak—
Color—
IMA symbolTil
Nickel–Strunz class8.BH.10

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

🌍 Where it's found

Type locality (where it was first described): Långban, Sweden

  • 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.