The World of Opals 在线电子书 图书标签:
发表于2025-01-20
The World of Opals 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2025
This book examines the history of opals dating back to ancient times. It describes where opals are located throughout the world and how they are mined and details the techniques for cutting, polishing, and working with this difficult gemstone.
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The World of Opals 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2025