What Minerals Are Biaxial?
What Minerals Are Biaxial? Name Crystal system Indicatrix Muscovite Monoclinic Biaxial Olivine Orthorombic Biaxial Orthoclase Monoclinic Biaxial Quartz (α) Hexagonal (trigonal) Uniaxial What are anisotropic minerals? All minerals that do not belong to the isometric system are anisotropic. Anisotropic minerals have different chemical bonds in different directions and consequently have different refractive indices in different