價格：免費
更新日期：2015-11-16
檔案大小：27M
目前版本：2.0
版本需求：Android 2.3 以上版本
官方網站：http://www.OurExotics.com
Email：allreptiles200@gmail.com
聯絡地址：921 Jarvis Ln, Azle Texas, 76020
This quiz will help you become familiar with a few minerals and gemstones. There is questions about birthstones, mohs scale, mineral colors, and their structure. The time limit per question is 10-15 seconds and it will tell you the correct answer once you get it wrong twice or run out of time
