SULPHUR FAMILY. It occurs massive, in blunt-edged pieces, in crusts, sta- lactitic *, fu.sed-like, cellular, corroded, amorphous ; and crystallised in the following figures : 1. Acute single three-sided pyramid. 2. Rhomboid -(•. 3. Acicular crystals. It is glistening, and the lustre is resinous, inclining to adamantine. The fracture is coarse grained uneven. The fragments are indeterminate angular, and blunt- edged. It is slightly translucent. In other characters it agrees with the preceding sub species. Gcognostic and Geographic Siltiations. Europe.—It occurs only in volcanic countries, where it is found more or Jess abundantly amongst lavas. Solfa- tara, in the vicinity of Vesuvius, is one of the most fa mous repositories of volcanic sulphur, and it is there col lected in considerable quantities for the purposes of com merce. It is also found in the island of Iceland; on iEtna ; and in the Lipari Islands. Jfrica.—Island of TenerifFe, and island of Bourbon. America.—In the islands of St Lucia, St Domingo, Martinique, and Guadeloupe. Asia.—Island of Java. Uses. * Spallanzani observed stalactites of volcanic sulphur, three fe<;t long and two inches thick, in a grotto formed in the walls of the crater of Vui- cano. + This variety, which is intermixed with calcareous earth, is found o» Mount .'Etna.
