Know all about Diabase and Talc carbonate properties here. All properties of rocks are important as they define the type of rock and its application. Diabase belongs to Igneous Rocks while Talc carbonate belongs to Metamorphic Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Talc carbonate is Very Soft. Diabase appears Vesicular and Talc carbonate appears Soft. The luster of Diabase is not available while that of Talc carbonate is pearly. Diabase is available in dark grey to black colors whereas Talc carbonate is available in colourless, grey, white 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 Talc carbonate are manufacturing of baby powder.