This fascinating text is the second part of a larger gemmological text and deals primarily with the more common species of decorative minerals while at the same time observing the purpose of the jeweller. A wonderfully detailed and comprehensive treatise on the subject, The Natural History of Gems or Decorative Stones covers a vast number of different types of minerals, including Achates, Alabrandicus, Astria, Basanites, Batrachites, Beryllus, Camahutum, Ceraunia, Chrysocolla, Chrysoprasius, Cyanus, and many, many more. A wonderful addition to any collection of gemmalogical literature, this rare book is a must-read for those with an interest in the subject. This text has been elected for modern republication due to its immense educational value, and is republished here in the hope that its contents can be studied for years to come. We are proud to republished The Natural History of Gems or Decorative Stones complete with a new introduction to the subject.