Useful english dictionary. 2012.
Crystal twinning — Diagram of twinned crystals of Albite. On the more perfect cleavage, which is parallel to the basal plane (P), is a system of fine striations, parallel to the second cleavage (M). Crystal twinning occurs when two separate crystals share some of… … Wikipedia
Crystal structure of boron-rich metal borides — Two single crystals of YB66 (1 cm diameter) grown by floating zone technique using (100) oriented seeds. In the top crystal, the seed (left from the black line) has same diameter as the crystal. In the bottom crystal (sliced), the seed is much… … Wikipedia
twinned — twɪn n. either of two children or animals born at the same birth; either of a pair of two persons or things resembling or closely related to each other; crystal composed of several parts oriented to each other (Crystallography); constellation… … English contemporary dictionary
twinned — adjective (of a crystal) that is a composite consisting of two (or more) parts which are reversed in orientation with respect to each other. → twin … English new terms dictionary
twin crystal — noun see twin II, 4 * * * twin crystal or twinned crystal noun (crystallography, mineralogy) A crystal composed of two or more individuals in a systematic crystallographic orientation with respect to one another • • • Main Entry: ↑twin … Useful english dictionary
Octacalcium phosphate — IUPAC name tetracalcium hydrogen phosphate diphosphate Other names … Wikipedia
Yttrium barium copper oxide — IUPAC name barium copper yttrium oxide … Wikipedia
Diaspore — Not to be confused with Diaspore (botany) or Diaspora. Diaspore Diaspore from Slovakia General Category Oxide min … Wikipedia
Clinohumite — Side View of a cushion cut clinohumite gemstone, 21.34 carats (4.27 g), 17.8 x 16 mm General Category Mineral … Wikipedia
Chambersite — from Barber s Hill Salt Dome, Mont Belvieu, Texas USA, the type locality. Size: 0.7 x 0.6 x 0.6 cm. General Category Tektobora … Wikipedia
