Because physical copies of these books are rare and expensive (often costing $300–$600 per volume), the demand for a has exploded among students and independent gemologists.
: A searchable, free database containing over 900 high-resolution photomicrographs of gemstone inclusions. Photo Atlas Of Inclusions In Gemstones Pdf Free Download
With patience and ethical searching, the incredible world of gemstone inclusions—captured in stunning detail by Gübelin and Koivula—can be yours. Happy hunting, and even happier identifying. Because physical copies of these books are rare