Euhedral crystals are the best representations of a crystal form. Examples include: Cubic crystals of halite or fluorite Octahedral crystals of diamond or fluorite Dodecahedral crystals of garnet Six-sided crystals of quartz or corundumColumnar Columnar crystals are long prisms with enough width that ...
The material of quartz, in crystallization transparent or nearly so, and either colorless or slightly tinged with gray, or the like; - called also rock crystal. Ornamental vessels are made of it. Cf. Smoky quartz, Pebble; also Brazilian pebble, under Brazilian. ...
a crystalline element used as a component in various electronic devices a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces colorless glass made of almost pure silica glassware made of quartz ...
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Quartz glass equipment part, in particular quartz glass tube, with surfaces contained in its the outside layer, of crystal formation promotional germs for use at high temperatures, in particular for the carrying out semiconductor-technology process...
The Natural Fluorite Crystal Pyramid Quartz Healing Stone is an excellent choice for those who appreciate the healing properties of crystals. It's a versatile item that can be used as a decorative piece or as a tool for personal growth. The manual polishing ensures that each pyramid is a one...
the transparent form of crystallized quartz. Chemistry, Mineralogy.a solid body having a characteristic internal structure and enclosed by symmetrically arranged plane surfaces, intersecting at definite and characteristic angles. anything made of or resembling such a substance. ...
Swarovski’s latest natural creation in the form of rock crystal selected to form this unique organic fitting capturing light in a spectacular way. View all our collection Award winning lighting Follow us on Instagram for all our news © 2020 Quartz LC – All rights reserved...
Natural crystals of quartz and diamond form very different crystal shapes. Quartz forms six-sided, elongated crystals that normally only have one terminating end. Diamonds form eight-sided crystals with approximately equal lengths and widths. Differences in density, refractive index, hardness and cleavag...
Quartz, SiO2, exists in both crystalline andamorphousforms in nature. The crystalline form of quartz has over 22 polymorphic modifications. The three principal crystalline forms of SiO2(quartz,tridymite, and cristobalite) each possess a well-defined field of stability underequilibrium conditions. The ...