I have kept this item unused. It was stored on a shelf, so there are some scratches on the surface. For those who don't mind. ■ Over 1000 newly taken photographs Including overseas coverage, this book is packed with photos of gemstones and mineral species that can only be seen here. In addition to enlarged photos that show details beautifully, there are also plenty of life-size photos that allow you to enjoy the texture. ■ Learn how to view, value, and choose gemstones! The origin and presence or absence of treatment, which greatly affects the value of gemstones, are also clearly stated. Major gemstones are divided into three qualities and compared with photos. ■ Introducing the rarity of gemstones with a table that even professionals use With special permission, a table showing the range of colors of gemstones for each mineral species by GIA (Gemological Institute of America) is included. You can see at a glance what colors of gemstones each mineral has with this table, which experts also use. ■ From the relationship with mineral species to history, a wide range of information In addition to how to view gemstones and jewelry, there is a wealth of information to help you learn more about gemstones, such as the relationship between gemstones and mineral species, history, and types of cuts. Search for #AyaBooks to see the items I have listed. There are many items that I haven't listed yet. Please feel free to ask questions like "Do you have this?" ☺ ★ No price reduction, please consider at this price.