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.
- n. mineralogy A tetragonal-ditetragonal dipyramidal mineral containing carbon, chlorine, lead, and oxygen.
GNU Webster's 1913
- n. (Min.) A rare mineral occurring in tetragonal crystals of a white, yellow, or grayish color and adamantine luster. It is a chlorocarbonate of lead.
- -ite (Wiktionary)
“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.”
“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.”
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List of minerals, elements, group names and geochemistry terms encountered in the science of mineralogy. I've chosen to avoid capital letters in most examples, though a great many mineral names hon...
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