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Minerals by Unique Properties

Can you tell your feldspar from your hematite? Find out today!
Properties may not be unique for all minerals, just all of the minerals in this list.
Answers must correspond to the yellow box.
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QuantumMechanist
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Last updated: August 9, 2020
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First submittedJanuary 30, 2020
Times taken63
Average score45.0%
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Answer
A pink to crimson gemstone, a variety of corundum. Sometimes used in electronics.
Ruby
A typically blue gemstone, a variety of corundum. Sometimes used in lasers.
Sapphire
A variety of beryl that is often green to colorless. The birthstone for May.
Emerald
A light blue, opaque mineral with a waxy luster. Often porous in its natural form.
Turquoise
Often referred to as fool's gold.
Pyrite
A common iron oxide, often mined to collect Iron metal. Known to be abundant in at least two sites on Mars.
Hematite
Often used as a birthstone for June instead of pearl, since pearl isn't a mineral.
Alexandrite
A silicate mineral that has varieties of almost every color.
Tourmaline
A feldspar mineral that displays a pearly and opalescent luster. Some believe it looks similar to the moon.
Moonstone
A carbon mineral with a Mohs hardness of 10.
Diamond
A violet variety of quartz. The birthstone for February.
Amethyst
A yellow-to-brown variety of quartz. There is a superstition that this stone brings prosperity.
Citrine
A hard crystalline mineral, which comes in many properties. Often used in electric watches due to its vibrating properties when a current runs through it.
Quartz
A silicate mineral that appears most commonly brown, but also blue, orange, yellow, and pink. In medieval times it was believed that this stone cured lunacy.
Topaz
Famous for its carcinogenic properties and also its fireproof capabilities, but lesser-known as the mineral that the famous tiger's eye is made of.
Asbestos
A metallic mineral famous for its brilliant blue it offers in glass and dyes. It is used in invisible ink.
Cobalt
A clay mineral that is famously soft, being the defining mineral for the index of 1 on the Mohs hardness scale.
Talc
A yellow, often smelly mineral. One of the only minerals found in its pure form in nature.
Sulfur
A mineral responsible for sparkles on many rocks. Used to be used in window glass.
Mica
An orange-red variety of zircon, used as a gemstone. Possibly one of the foundational gemstones of New Jerusalem.
Jacinth
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4 Comments
brainchild
+1
Level 68
Aug 4, 2020
Enjoyed your quiz!! I collect crystals and minerals but still missed 3!
QuantumMechanist
+1
Level 80
Aug 4, 2020
Thank you! I've wanted to make quizzes about stuff like this, but it's hard to make something that someone could reasonably get a majority correct without cheating.
geographic
+1
Level 59
Aug 9, 2020
could add mineraloid to clues for opal
QuantumMechanist
+1
Level 80
Aug 9, 2020
You're right! It actually doesn't belong on this quiz at all, does it? I'll fix it pronto.
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