Precious Gems & Minerals
Instructions: Test your knowledge of precious stones and minerals!
- 1.
What is the hardest natural substance on Earth?
ADiamondBRubyCTopazDSapphire - 2.
What gemstone is traditionally associated with the month of July?
ARubyBEmeraldCGarnetDSapphire - 3.
What color is an emerald?
ARedBPurpleCBlueDGreen - 4.
Pearls are primarily produced by which creature?
AOysterBStarfishCCoralDSea urchin - 5.
Which precious stone is known as the 'king of gems'?
AEmeraldBDiamondCRubyDSapphire - 6.
What mineral is ruby a variety of?
ACorundumBBerylCQuartzDFeldspar - 7.
Which gemstone can display a 'play of color' effect, showing flashes of rainbow colors?
AMoonstoneBTiger's EyeCLabradoriteDOpal - 8.
What gives amethyst its purple color?
ACobaltBCopperCManganeseDIron - 9.
Which country is the world's leading producer of diamonds?
ABotswanaBRussiaCSouth AfricaDAustralia - 10.
What is the most common mineral found in the Earth's crust?
AMicaBCalciteCFeldsparDQuartz - 11.
What is the name of the famous 45.52-carat blue diamond housed in the Smithsonian?
ARegent DiamondBKoh-i-NoorCCullinanDHope Diamond - 12.
Lapis lazuli, prized since antiquity, is primarily composed of which mineral?
ATurquoiseBSodaliteCLazuriteDAzurite - 13.
Which gemstone changes color depending on the light source, appearing green in daylight and red in incandescent light?
AAlexandriteBSpinelCTanzaniteDTourmaline - 14.
On the Mohs hardness scale, what number is assigned to talc, the softest mineral?
A1B2C0D0.5 - 15.
Tanzanite, a blue-violet gemstone discovered in 1967, is found naturally in only one place on Earth. Where?
ASri LankaBBrazilCTanzaniaDMadagascar