Know all about Blueschist and Quartzite properties here. All properties of rocks are important as they define the type of rock and its application. Blueschist and Quartzite belong to Metamorphic Rocks.Texture of Blueschist is Foliated whereas that of Quartzite is Foliated, Granular. Blueschist appears Dull and Banded and Quartzite appears Lustrous. The luster of Blueschist is dull while that of Quartzite is vitreous. Blueschist is available in blue, bluish - grey, purple, shades of blue colors whereas Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors. The commercial uses of Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, tombstones and that of Quartzite are an oil and gas reservoir, as armour rock for sea walls, cemetery markers, commemorative tablets, in aquifers, laboratory bench tops, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums.