from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A tetragonal-ditetragonal dipyramidal mineral containing carbon, chlorine, lead, and oxygen.

from the GNU version of the Collaborative International Dictionary of English

  • n. A rare mineral occurring in tetragonal crystals of a white, yellow, or grayish color and adamantine luster. It is a chlorocarbonate of lead.

from The Century Dictionary and Cyclopedia

  • n. A mineral consisting of the chlorid and carbonate of lead. It occurs in white or yellowish tetragonal crystals having an adamantine luster. Also called corneous lead.


from Wiktionary, Creative Commons Attribution/Share-Alike License



  • Chemical analysis of cosmetics samples found in Egyptians tombs and the reconstitution of ancient recipes as reported by Greco-Roman authors have shown that two non-natural lead chlorides (laurionite Pb (OH) Cl and phosgenite Pb2Cl2CO3) were purposely synthesized and were used as fine powders in makeup and eye lotions.

    Egyptology News

  • They found the residue of a range of lead-based substances, including two lead chlorides: 'laurionite' (Pb (OH) Cl) and 'phosgenite' (Pb2Cl2CO2), which don't occur in nature.

    COSMOS magazine - The science of everything


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