What Do You Know About Rocks, Minerals, and Gems? Quiz Deck
Pristine diamonds, radiant rubies and sapphires, and other gorgeous gems captivate us with their extraordinary beauty and brilliance. But beyond their aesthetic appeal, the gems, minerals, and rocks of the world are essential to our very existence; they are the building blocks of the universe. This quiz deck presents a well-rounded sampling of mineral lore in a Q&A format, with a question—often accompanied by a color photograph—on the front and the answer on the back of each of the forty-eight cards. Together they offer a fascinating tour of the mineral kingdom, from the legendary Hope Diamond to corals and cultured pearls, dazzling crystalline caves, and the mysterious sarsens of Stonehenge.
Sample Card Text
Amber, jet, coral, shell, pearl, and ivory are collectively known as what?
Answer Organic gems. These are all formed by or from living matter. Amber is fossilized tree sap; jet is a type of coal formed from ancient plant matter. Coral and shells are the exoskeletons of certain marine organisms, and pearls are concretions formed by certain shelled mollusks. Ivory is dentine formed by different mammals but is most commonly elephant tusk.