Rubies and sapphires occur in a variety of colors. From peacock blue to pigeon's blood red, this book looks at the color types for ruby and sapphire used at Lotus Gemology. It also features a basic explanation of color science.
Books
Ruby & Sapphire Colors | From Peacock to Pigeon's Blood | 2017
- Date: 2017-01-26
- order_link: https://lotusgemology.com/index.php/other-articles/331-book-from-peacock-to-pigeons-blood-order-page
