IMA mineral species

Mereheadite

🪶 Soft, Scratches Easily

Pb₄₇Cl₂₅(OH)₁₃O₂₄(CO₃)(BO₃)₂

Halide mineral.

Yellow

Properties

⛏ Mohs hardness3.5
12345678910
💅🪙🍶🔪💎

A copper coin scratches it.

🔷 Monoclinic✏️ streak white
Chemical formulaPb₄₇Cl₂₅(OH)₁₃O₂₄(CO₃)(BO₃)₂
ElementsPb, Cl, O, H, C, B
Crystal systemMonoclinic
Mohs hardness3.5
Density—
Streakwhite
Color—
IMA symbolMrh
Nickel–Strunz class3.DC.45

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

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 3.5: softer than a steel knife, so it scratches easily. Store it apart from harder stones.

🌍 Where it's found

Type locality (where it was first described): Torr Works Quarry, 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.