IMA mineral species

Mattheddleite

Pb₅(SiO₄)₁.₅(SO₄)₁.₅(Cl,OH)

Apatite, nesosilicate mineral.

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

Properties

Chemical formulaPb₅(SiO₄)₁.₅(SO₄)₁.₅(Cl,OH)
ElementsPb, Si, O, S, Cl, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMhd
Nickel–Strunz class9.AH.25

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

🌍 Where it's found

Type locality (where it was first described): Leadhills, United Kingdom

  • 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.