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
Mineral and Gemstone quiz is a free software application from the Puzzle & Word Games subcategory, part of the Games & Entertainment category.
The app is currently available in English and it was last updated on 2015-11-15. The program can be installed on Android.
Mineral and Gemstone quiz (version 2.0) is available for download from our website.
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