Rocks, Minerals and Gemstones

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Quiz by runnerinthecreek
Last updated: August 2, 2014
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First submittedAugust 2, 2014
Times taken554
Average score53.3%
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What common mineral is the basis for many semi precious gemstones, including amethyst and citrine?
Which is the only U.S. state where you could find a diamond mine?
What is another name for pyrite?
Fool's Gold
What green precious gemstone is primarily made of beryllium?
Sandstone, shale, and conglomerate are examples of what type of rock?
What would you call a rock with a crystalline lining around an inner cavity?
What man-made gemstone is often used as a substitute for diamonds in jewelry?
Cubic Zirconium
What does the Moh's scale measure in minerals?
What common metal oxidizes to a green color?
Where do igneous rocks come from, primarily?
What is the largest blue diamond in the world?
The Hope Diamond
And where is it ^ located?
The Smithsonian Museum of Natural History
What mineral is the base of both ruby and sapphire?
What would you call someone who studies minerals?
____ is the only mineral directly consumed by people.
Level 37
Oct 7, 2014
Volcanoes is spelled wrong. I tried volcano, volcanic eruption, lava, molten rock, magma, pretty much anything i could think of. But not volcanos.
Level 88
Nov 14, 2017
same here. Also, I typed in Hope and it didn't work; I think that would be a reasonable type-in to allow.
Level 72
Mar 19, 2020
Emerald (a variety of beryl) is beryllium aluminum silicate (Be3Al2Si3O18) colored by traces of chromium and/or vanadium. Beryllium is not the primary constituent, either by mass, where it comes in last, or by number of atoms where it is second-to-last after aluminium. The primary element is oxygen.
Level 72
Oct 25, 2021
It's cubic zirconia, not cubic zirconium.