Know all about Diabase and Blueschist properties here. All properties of rocks are important as they define the type of rock and its application. Diabase belongs to Igneous Rocks while Blueschist belongs to Metamorphic Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Blueschist is Foliated. Diabase appears Vesicular and Blueschist appears Dull and Banded. The luster of Diabase is not available while that of Blueschist is dull. Diabase is available in dark grey to black colors whereas Blueschist is available in blue, bluish - grey, purple, shades of blue colors. The commercial uses of Diabase are an oil and gas reservoir, cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, tombstones.