Know all about Foidolite and Flint properties here. All properties of rocks are important as they define the type of rock and its application. Foidolite belongs to Igneous Rocks while Flint belongs to Sedimentary Rocks.Texture of Foidolite is Earthy whereas that of Flint is Banded, Rough. Foidolite appears Dull and Flint appears Glassy or Pearly. The luster of Foidolite is subvitreous to dull while that of Flint is vitreous. Foidolite is available in black, brown, colourless, green, grey, pink, white colors whereas Flint is available in black, brown, green, grey, red, white colors. The commercial uses of Foidolite are cemetery markers, commemorative tablets, creating artwork and that of Flint are creating artwork, gemstone, in fire-starting tools, manufacture of tools, metallurgical flux, jewelry, to ignite fire, used in flintlock firearms.