價格：免費
檔案大小：26.6 MB
版本需求：系統需求：iOS 11.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
KenKu is an essential tool for gemologist. This handy tool can be used to identify gemstones. It's search engine is designed to help gemologist to search gemstones based on various test results. KenKu has database of more than 200 gemstones and more are being added.
