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Answered 2008-10-12 09:00:00

When basalt metamorphoses (changes through heat and/or pressure), it becomes amphibolite. Amphibolite is dark-coloured, and resembles dark, glassy crystals fused together. It is heavy, with a slightly flaked structure.


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No diamond cannot form in basalt. Diamond only form in Kimberlite because it develop only at very low cooling rate.

Basalt has Fracture cleavage is not there in basalt.

what is the definition for basalt what is the definition for basalt

That rock was not Basalt, it was different. This is not a diamond, just a normal Basalt.

An alkali basalt is a particularly alkaline variety of basalt.

No, basalt is not valuable

Basalt is a very abundant volcanic rock. A basalt boulder is simply a large chunk of basalt rock.

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A basalt rock is igneous because lava came out of a volcano and cooled into basalt.

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Basalt is an extrusive igneous rock.

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basalt is made out of volcanic rocks

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Basalt does have a greater specific gravity. Granite is not as dense as basalt.

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