disphenoid

Tanımlar (İngilizce)

1. sıfat Of or pertaining to a wedge-shaped crystal form of the tetragonal or orthorhombic system.
2. sıfat Of or pertaining to a crystal form bounded by eight scalene triangles arranged in pairs, constituting a tetragonal scalenohedron.
3. isim A non-regular tetrahedron whose four faces are congruent acute-angled triangles.

   “The mineral chalcopyrite commonly crystallizes in disphenoids that are very difficult to distinguish from tetrahedrons.”