Table 2 Summary of mineralogical constituents and organic and moisture content of drugs

Mineral constituents

Meta cinnabar

S, Hg

Metacinnabar

Hg, S

Cinnabar

Hg, S

Arsenolite

As

Arsenolite

As

Sphalerite

Zn, S

Magnetite/ hematite

Fe

Chalcopyrite/ pyrite

Cu, Fe, S

Biotite mica (altered)

Fe, Mg, Al, Si

Biotite mica (altered)

Fe, Mg, Al, and Si

Volatile content (wt %)

84 %

70 %

Moisture content (wt %)

14 %

9.50 %