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What is the hardness of rhyolite?
depends a rock made from lava is an igneous rock.
Is magnetite a hard or soft rock?
Magnetite is considered to be a hard mineral, not a rock, because it has the ability to scratch glass and its hardness number is greater than 5.5 according to the Mohs scale.
What describes rock that was formed when molten rock cooled down?
Igneous rock is formed.
Is obsidian metamorphic igneous or sedimentary?
Obsidian is an igneous rock.
Type of rock formed from molten rock?
Igneous rock is formed when magma cools and becomes solid.
When magma is cooled it becomes what?
Cooling and solidifying magma turns into igneous rock.
What kind of rock is formed after a volcano erupts?
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
What number on mohs scale is an igneous rock?
Hardness on mohs scale is applied to minerals, not rocks. A rock may be composed of multiple minerals with different hardnesses. Additionally, the physical properties of igneous rocks vary, so there is no definitive answer.
Is granite a igneous rock?
Yes, granite is a type of igneous rock.
Is basalt a igneous metamorphic or sedimentary rock?
Basalt is an extrusive igneous rock.
Is granite an igneous rock?
Yes, granite is an igneous rock. It forms when molten magma cools and solidifies underground, creating a coarse-grained rock with a variety of mineral compositions, primarily quartz, feldspar, and mica.
What is igneous rock formed from magma below Earth's surface is called?
It is called an intrusive igneous rock.
