(physics, chemistry) the separation of two solutes from the same solution by using either a solvent or a crystallization temperature such that only one solute is supersaturated and crystallizes out

(crystallography) The intergrowth of two twin crystals.

(crystallography) either of two separate crystals that share crystal lattice points in a symmetrical manner and intergrow

a class of crystal consisting of a lattice of ions held together by their electrostatic interaction; they exhibit strong absorption of infrared radiation and have planes along which they cleave easily

A material formed from by the growth of a crystal nucleus without secondary nucleation or impingement on other crystals; a regular three-dimensional structure extends throughout the material

(crystallography) A regular three-dimensional geometric arrangement of atoms, molecules or ions in a crystal

(idiomatic) Completely clear and understood. / (idiomatic) Visually clear, a sharp image, high acuity.

A dye, derived from gentian violet, that is used as an acid-base indicator and as a biological stain.

A globe of glass or crystal used to foretell the future. / (by extension) A way of seeing into the future. / One of the magickal tools of Wicca, used for divination and altar purposes

plural of crystal ball