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Sedimentary, My Dear Watson
A True/False quiz. Do you know these fundamental facts about gems and minerals?
Printable certificate at the end of the game.
Knowledge Nuggets
Do you know which minerals are the hardest, softest, most colorful? Then try these ten teasers!
Printable certificate at the end of the game!
Mining for Minerals (Interactive) Search for mineral names in this interactive puzzle.
(Requires support for Java applets.)
Or download our free print version
Mineral Matters Not yet ready for Mine Games? Dig into Mineral Matters and find out more about more.
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