IMA mineral species

Grandreefite

Pb₂(SO₄)F₂

Lead sulfate fluoride mineral.

White & Clear

Properties

⚖ Density6.689 g/cm³
Very heavy
🔷 Monoclinic✏️ streak white
Chemical formulaPb₂(SO₄)F₂
ElementsPb, S, O, F
Crystal systemMonoclinic
Mohs hardness—
Density6.689 g/cm³
Streakwhite
Color—
IMA symbolGrf
Nickel–Strunz class7.BD.45

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

🌍 Where it's found

Type locality (where it was first described): Grand Reef mine, 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.