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Igneous, it is brought to the surface as an igneous Xenolith. The diamond crystal itself is of metamorphic origin it is metamorphosed carbon.
It is more closely related to igneous rocks, as diamond forms in magma under very high temperatures and pressures, where there is no appreciable oxygen to burn the carbon.
Artificial diamonds can be "grown" in a similar way by accumulating individual carbon crystals from a hot plasma (gas), in a process called chemical vapor deposition.
What else can I help you with?
How does igneous rock change to sedimentary?
Sedimentary rock melts, then it cools to form Igneous rock. Hoped this helped. :)
True or false sedimentary rock can be formed from changes in igneous rock but idneous rock cannot be formed changes in the sedimentary rock?
False Sedimetary rocks can be formed from changes in igneous rock, and igneous rock can be from changes in sedimentary rock.
Is opal a sedimentary igneous or metamorphic rock?
igneous
The Igneous rock Sandstone can turn into which rock that can be a sedimentary rock?
Sandstone is sedimentary itself.
Can the gravel in a sedimentary rock consist of both igneous and metamorphic rock?
Rock contained within a sedimentary rock could be igneous, metamorphic, sedimentary, or any combination of the three rock types in origin.
What is the process sedimentary to igneous?
In order to get an igneous rock from a sedimentary rock, the sedimentary rock must be melted and then that melt must crystallize.
Is a sedimentary rock an igneous rock?
No. Igneous, sedimentary, and metamorphic rocks are three different categories of rock.
What can transform igneous rock into sedimentary rock?
Igneous rock can become sedimentary if it is weathered into sediment and then lithified.
How does a Sedimentary rock to an igneous rock?
The sedimentary rocks would have to melt and cool again to make an igneous rock.
Is a granite a sedimentary?
No, it's not a sedimentary rock, it is an igneous rock. :)
How does igneous rock change to sedimentary?
Sedimentary rock melts, then it cools to form Igneous rock. Hoped this helped. :)
Can high pressure can change an igneous rock into a sedimentary rock?
No, high pressure alone cannot change an igneous rock into sedimentary rock; however, the reverse is true. High pressure can change sedimentary rock into igneous rock.
True or false sedimentary rock can be formed from changes in igneous rock but idneous rock cannot be formed changes in the sedimentary rock?
False Sedimetary rocks can be formed from changes in igneous rock, and igneous rock can be from changes in sedimentary rock.
Is obsidian metamorphic igneous or sedimentary?
Obsidian is an igneous rock.
What is the type of rock formed from either sedimentary or igneous rock?
sedimentary rock.
Is limestone an igneous sedimentary or metamorphic rock?
Limestone is a sedimentary rock.
Is limestone igneous or sedimentary or metamorphic rock?
Limestone is a sedimentary rock.
