John Koivula recently released a specific volume focusing on Quartz inclusions. This smaller, more affordable book is sometimes available as an e-book (EPUB/PDF) through academic publishers like Schweizerbart Science Publishers.
I do not provide direct links to copyrighted PDF files. If you are looking to purchase the digital rights or physical books, check major academic publishers or the SSEF/Gübelin libraries.
: Formed before the host gem and then enclosed within it. Syngenetic : Formed at the same time as the host gem.
Other mineral crystals trapped inside, such as garnets in a diamond. Fluid Inclusions: Liquids (often saline water or liquid CO2cap C cap O sub 2