Gems Notes and Extracts Augusto Castellani, Mrs. John Brogden 1871

C8GEMS.Alumina .. .. .. ..71Silex 13Glucine 18Lime .. .. .. .. .. 6Oxide of iron ., . . . . . . 5Sometimes the chrysoberyl is prismatic.It is found in Ceylon, Connecticut, Brazil, andSiberia.That from Brazil is generally found in transparentyellowish-green fragments. Specific gravity3'7337.The chrysoberyl from Siberia is chrome-coloured ;inits chemical combinations the relative quantities areequal to those of the spinel. This mineral, thoughrather rare than otherwise, is little used in jewellery.It appears that the ancients did not know it, or atleast we are in ignorance of what name they may havegiven it.XXX.CHRYSOLITE.THE ancients gave the name of chrysolite to thetopaz, and the name suited it, coming from the GreekX/wo-oAt.005, which signifies " golden stone."In modern times this name has, instead, been given toa yellowish-green stone, which is often confounded withthe cymophane and the peridot, but from which, nevertheless,it differs not a little.