CHEMISTRY - PbCl(OH)
CRYSTALLOGRAPHY - Monoclinic
CRYSTAL GROWTH AND HABITS - Crystals are thin and tabular sometimes with wedge shaped terminations. Also fibrous to massive.
COLOR AND OPTICAL PROPERTIES - Colorless to white. Transparent to translucent.
HARDNESS - ? (soft)
SPECIFIC GRAVITY - 6.1 - 6.3
LUSTER - Sub adamantine to dull
STREAK - White
BREAKABILITY - Good cleavage along {100}.
OCCURRENCE - Paralaurionite is a mineral that is formed by the weathering of lead minerals.
ASSOCIATED MINERALS - Laurionite, Phosgenite, Leadhillite Matlockite, Cerussite, Hydrocerussite and Diaboleite.
MINERAL NAME - In reference to the polymorphic relation to Laurionite.