Which rare and valuable gemstone is a blue variety of the mineral corundum?
#RocksTrivia #Hard
Ruby
Emerald
Sapphire
Amethyst
The Taj Mahal, one of the Seven Wonders of the World, is constructed from which mineral?
#RocksTrivia#Hard
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Granite
-
Limestone
-
Sandstone
-
Marble
What is the hardest natural mineral on the Mohs hardness scale?
#RocksTrivia#Hard
Topaz
Quartz
Diamond
Corundum
What black, glassy volcanic rock was historically used to make sharp tools?
#RocksTrivia #Hard
Obsidian
Granite
Pumice
Magnetite
Which mineral is known for its magnetic properties and is often used in compasses?
#RocksTrivia#Hard
Magnetite
Feldspar
Obsidian
Calcite
Fossils are most commonly found in which type of rock?
#RocksTrivia#Hard
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Metamorphic
-
Obsidian
-
Igneous
-
Sedimentary
What green gemstone was highly prized by ancient Egyptians linked to goddess Hathor?
#RocksTrivia#Hard
Emerald
Jade
Turquoise
Malachite
Which prehistoric monument is known for its massive stone circle?
#RocksTrivia#Hard
Where is the largest rock statue in the world located?
#RocksTrivia#Hard
India
Japan
Thailand
China
Which of these rocks can actually float on water due to its low density?
#RocksTrivia#Hard
Pumice
Limestone
Feldspar
Coal
