Know all about Minette and Trondhjemite properties here. All properties of rocks are important as they define the type of rock and its application. Minette and Trondhjemite belong to Igneous Rocks.Texture of Minette is Porphyritic whereas that of Trondhjemite is Phaneritic. Minette appears Dull, Banded and Foilated and Trondhjemite appears Banded and Foilated. The luster of Minette and Trondhjemite is subvitreous to dull. Minette is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas Trondhjemite is available in black, brown, light to dark grey, white colors. The commercial uses of Minette are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo) and that of Trondhjemite are cemetery markers, creating artwork.