A Text-Book of Precious Stones (Illustrated)

• The book is an edited and illustrated version of the original one and includes 15 or more unique illustrations which are relevant to its content.
• In this little text-book the author has tried to combine the trade information which he has gained in his avocation, the study of precious stones, with the scientific knowledge bearing thereon, which his vocation, the teaching of chemistry, has compelled him to master.