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Virtually all rock contains mineral crystals of various sizes. Most volcanic rocks such as granite contain crystals of quartz and other minerals. Crystal size varies depending on the speed of cooling.
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∙ 14y ago
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∙ 9y agoIgneous rocks are the ones that have crystals in them. They are or were formed by molten magma, and the crystals inside them depend entirely on the conditions at the time of their cooling.
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∙ 13y agoAll rocks have crystals in them, what ever king they are. If they cool down slowly they tend to have bigger ones and if they cool down quickly they have smaller ones. SIMPLES!!
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∙ 13y agoall of them they cool of and become a crystal.
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∙ 14y agoEuhedral crystals of quartz are sometimes referred to as 'rock crystal'.
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∙ 13y agoIgneous, igneous rocks are formed by mgma (inside earth) or lava (outside earth) that cools and hardens
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∙ 12y agoRock crystal generally refers to large euhedral crystals of quartz, the mineral.
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∙ 11y agoall igneous rocks contain crystals just some you can't see some metamorphic rocks do also
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∙ 14y agoAlmost all (with exceptions) rock contains crystals, many of which are not visible without magnification.
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∙ 11y agoigneous rocks
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What type of crystal structure does sodium has?
Sodium's crystal structure is cubic.
How much weight does it take to crush a crystal?
A crystal is the hardest rock in the world and it would take more than you imagine to crush/brake one.
How many Calcium atoms are in a crystal?
Cannot answer without knowing type of crystal and either its mass or size.quartz crystal, nonesugar crystal, nonesalt (sodium chloride) crystal, nonecalcite crystal, need to know either mass or sizeice crystal, noneselenite crystal, need to know either mass or sizeetc.
What is made by oxygen and silicon?
a crystal is made from oxygen and silicon but i dont no what type of crystal it is :) sorry...hope that helps
What type of rock is anthracite coal?
Metamorphic rock
Are birthstones a type of crystal?
any type of rock is a crystal it might not be scientific though....
What is a clear type of quartz that starts with rock?
Rock Crystal
Clear type of quartz?
rock crystal
A clear type of quartz?
Rock crystal.
What type of crystal is in a thunderhead rock?
Quartz
A type of clear quartz using the word rock?
Rock crystal.
Which crystals can be found in a rock?
The appearance and type of mineral crystal appearing in a rock is dependent on the type of rock and the method by which it is created.
What is the name of a clear type of quartz beginning with the word rock?
Rock crystal
Is a crystal an igneous rock?
No. A crystal is the solid form of a mineral. Mineral crystals are present in nearly every rock, regardless of type.
Type or crystal grain that form when molten rock cools quickly?
Fine crystal grain.
Type Of Crystal that forms when molten rock cools quickly?
fine
What is the type of crystal grain that forms when molten rock cools quickly?
Small crystal grains form from rapid cooling of magma resulting in an aphanitic rock texture.
