IMA mineral species

Alforsite

Ba₅(PO₄)₃Cl

Apatite, phosphate mineral.

White & Clear

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

Properties

Chemical formulaBa₅(PO₄)₃Cl
ElementsBa, P, O, Cl
Crystal systemHexagonal
Mohs hardness5
Density4.574 g/cm³
Streakwhite
Color—
IMA symbolAfr
Nickel–Strunz class8.BN.05

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

🌍 Where it's found

Type locality (where it was first described): Big Creek, United States · Big Creek, United States · Esquire No. 7 claim, United States

  • 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.