1796. Kirwan, Elem. Min. (ed. 2), I. 139. In nodules, or in half rounded masses, or tessular.
1805–17. R. Jameson, Char. Min. (ed. 3), 132. Where there are many crystals together, but merely simply aggregated; and these are either, 1. On one another;… [this] occurs principally in tessular crystals, as in galena or lead-glance, and calcareous-spar.
1854. Pereira’s Pol. Light, 165. The equiaxed crystals constitute one system, called the cubic, octohedral or tessular system.
1869. Phillips, Vesuv., x. 294. The crystallization is on the tessular pattern.
