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Mineralati

Minerals

Phosgenite

phosgenite

Pb2CO3Cl2

Phosgenite - D16C-14 - Monteponi - Italy Mineral Specimen

Phosgenite - D16C-14 - Monteponi - Italy Mineral Specimen — via www.irocks.com · Source

Overview

Phosgenite is a rare mineral consisting of lead carbonate chloride, (PbCl)2CO3. The tetragonal crystals are prismatic or tabular in habit: they are usually colorless and transparent, and have a brilliant adamantine lustre. Sometimes the crystals have a curious helical twist about the tetrad or principal axis. The hardness is 3 and the specific gravity 6.3. The mineral is rather sectile, and consequently was earlier known as corneous lead (German: Hornblei).

Scientific references

  1. Phosgenite — Wikidata. https://www.wikidata.org/wiki/Q417032 Link
  2. Phosgenite — Wikipedia. https://en.wikipedia.org/wiki/Phosgenite Link