garnet

This book contains classic material dating back to the 1900s and just before. The content material has been carefully chosen for its interest and relevance to a contemporary audience. Very carefully picking the most effective articles from our collection we have compiled a series of historical and informative publications on the subjects of gemology and crystallography. The titles in this variety involve “Gemstone Manufacturing” “The Optical Properties of Gemstones and Crystals” “The Thirty-Two Classes of Crystal Symmetry” and quite a few additional. Every single publication has been professionally curated and involves all particulars on the original supply material. If you’re...