Diabase: Description, Characteristics, and Other FAQs - Yes Dirt
Diabase is a dark-colored, fine-grained, igneous rock that consists mostly of plagioclase feldspar and pyroxene. It forms from the solidification of magma in the Earth's crust and is thus an intrusive rock. Diabase is also known as dolerite. What Colors Can Diabase Be? Diabase can be black, gray, or dark green.
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