minerals

Color Modify Garnet Gemstone Earrings Fine Jewelry

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...