- twinned crystals
- сдвойникованные кристаллы
English-Russian mining dictionary. В.П. Манышев.
English-Russian mining dictionary. В.П. Манышев.
twinned — [twind] adj. 1. born as a twin or twins 2. paired or coupled 3. consisting of two crystals forming a twin … English World dictionary
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
Silicate minerals — ▪ Table Silicate minerals name colour lustre Mohs hardness specific gravity Tectosilicates (three dimensional networks) feldspar (for other examples, see feldspar) orthoclase flesh red, white to pale yellow, red, green vitreous 6–6½ 2.6… … Universalium
Oxide minerals — ▪ Table Oxide minerals name colour lustre Mohs hardness specific gravity anatase brown to indigo blue and black; also variable adamantine to metallic adamantine 5½–6 3.8–4.0 boehmite white, when pure 3 3.0–3.1 brookite various browns metallic… … Universalium
Diamond — This article is about the mineral. For the gemstone, see Diamond (gemstone). For other uses, including the shape ◊, see Diamond (disambiguation) … Wikipedia
X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… … Wikipedia
Diffraction topography — (short: topography ) is an X ray imaging technique based on Bragg diffraction. Diffraction topographic images ( topographs ) record the intensity profile of a beam of X rays (or, sometimes, neutrons) diffracted by a crystal. A topograph thus… … Wikipedia
Chrysoberyl — General Category Oxide minerals Spinel group Chemical formula Be … Wikipedia
Euhedral — crystals are those that are well formed with sharp, easily recognized faces. Normally, crystals do not form smooth faces or sharp crystal outlines. Many crystals grow from cooling liquid magma. As magma cools, the crystals grow and eventually… … Wikipedia
Boron suboxide — Chembox new IUPACName = Boron suboxide OtherNames = None Section1 = Chembox Identifiers CASNo = ? Section2 = Chembox Properties Formula = B6O MolarMass = 80.865 g/mol Appearance = Reddish icosahedral twinned crystals Density = ? MeltingPt = ?… … Wikipedia
harmotome — /hahr meuh tohm /, n. a zeolite mineral related to stilbite, occurring in twinned crystals. [1795 1805; < F < Gk harmó(s) joint + tomos TOME] * * * ▪ mineral hydrated barium aluminosilicate mineral, (Ba,Na,K)1–2 (Si,Al)8O16 ∙ 6H2O, in the… … Universalium