Theophrastus on stones

0,Aldus Aldus alloys amber ancient writers appears Aristotle azurite blue burnt called carbonate century b.c. chalcedony chemical chrysocolla CI,Aldus cinnabar color Commentary contain copper described descriptions Dioscorides Egyptian emendation engraved Ephesos evidence fire Furlanus gold Greek green stone Griechen gypsos gypsum heat Heinsius Hill History of Stones iaspis identification iron island Kara known kyanos Laet lapis lazuli Lemnos lyngourion malachite manuscripts marble material meaning Melian melting metal mineral substances Mineralogy mines modern natural notes on section occur onyx origin orpiment passage Phoenicia phrastus pigment places Pliny precious stones probably produced pumice quartz realgar red ochre refers rock Samian earth sardion Schneider seals seems silver smaragdos statement Stephanides suggested tcov Theo Theophrastus Theophrastus mentions tion touchstone translation treatise On Stones Turnebus varieties Wellmann white lead Wimmer word XXXVII yellow ochre yiverai