chloride of mercury: cf. horn-lead n.

(a name given by the old chemists to) chloride of lead, because it assumes a horny appearance on fusing: cf. corneous, adj.

Manganese chloride.

A substance originally regarded as a mineral, a hydroxychloride of lead and copper, but now thought to be a mixture of boleite and pseudoboleite.

Native lead oxychloride, Pb3Cl2O2, an orthorhombic mineral usually occurring as columnar or fibrous white masses.

Chloride of iron, potassium, and ammonium, occurring as a sublimation product in the fumaroles of Vesuvius.

= horn-mercury n.

Ferric chloride as a trigonal mineral, occurring as yellow to brownish or purplish red deliquescent encrustations in areas of volcanic activity, esp…

Native calcium chloride; chlorocalcite.

an imperfectly characterized mineral found as aggregates of dull whitish or yellowish acicular or platy crystals in fumaroles on Vesuvius.

Ferrous chloride found in meteoric iron.

a yellowish oxychloride of lead and arsenic, probably dimorphous with ecdemite.

A hydroxide and chloride of magnesium, aluminium, and sodium (formerly thought to be an impurity), which forms pale yellow scales when pure, but…

An iron-containing mineral which occurs in saline deposits as colourless, pale rose, violet, or yellow granular masses.

An emerald-green basic chloride of manganese, Mn2(OH)3Cl, found in California.