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What rock forms when tiny crystals in magma form?
igneous rock
What igneous rock has crystals that are not visible?
Extrusive igneous rock consists of mineral crystals that are not observable with the naked eye. Obsidian is an extrusive igneous rock (volcanic glass) where there technically are no mineral crystals.
You find an igneous rock with no visible mineral crystals were did this rock most likely form?
in a cave
A foliated metamorphic rock forms when crystals .?
A foliated metamorphic rock forms when crystals combine and form visible bands
Which type of rock contains minerals arranged in crystals and forms when molten rock cools and turns solid?
Igneous rock contains minerals arranged in crystals and forms when molten rock cools and solidifies. Examples include granite and basalt.
What is a black intrusive rock with small crystals?
Intrusive rock normally has visible crystals. Extrusive igneous rock has small crystals. A black extrusive igneous rock with small crystals could be basalt.
How can you determine if a igneous rock has had an intrusive or extrusive origin?
== Grain size. Most intrusive igneous rocks will have visible crystals. Crystals in most extrusive igneous rocks are not easily visible.
What rock forms when tiny crystals in magma form?
igneous rock
How can you tell that a rock is a igneous rock?
Well The Igneous Rock: When it Forms Underground the Pressure combines with Large crystals :)
What is Granite crystal?
Granite is an igneous rock with visible mineral crystals.
What igneous rock has no visible crystals as a result of rapid cooling?
Obsidian rocks are cooled very fast, and you cannot see the crystals in them.
What igneous rock has crystals that are not visible?
Extrusive igneous rock consists of mineral crystals that are not observable with the naked eye. Obsidian is an extrusive igneous rock (volcanic glass) where there technically are no mineral crystals.
You find an igneous rock with no visible mineral crystals were did this rock most likely form?
in a cave
What igneous rock has no visible crystals?
Granite is a coarse grained igneous rock without Pyroxene.
A foliated metamorphic rock forms when crystals .?
A foliated metamorphic rock forms when crystals combine and form visible bands
Does gabbro have crystals?
Yes, gabbro is a coarse-grained igneous rock made up of larger crystals visible to the naked eye. These crystals are usually a combination of minerals such as plagioclase feldspar, pyroxene, and sometimes olivine.
Which type of rock contains minerals arranged in crystals and forms when molten rock cools and turns solid?
Igneous rock contains minerals arranged in crystals and forms when molten rock cools and solidifies. Examples include granite and basalt.
