tetrahedra in English
In particular he identified the five elements, fire, earth, air, water and celestial matter with the five regular solids, the tetrahedron , cube, octahedron, icosahedron and the dodecahedron.
Use "tetrahedra" in a sentence
1. Rings of tetrahedra are formed by bonding of two oxygens of each tetrahedron to adjacent tetrahedra in closed rings.
2. Each tetrahedron shares two of its oxygens with neighboring tetrahedra.
3. The key difference between pyroxene and Amphibole is that the pyroxene is a form of inosilicate, which contains single chains of SiO 3 tetrahedra whereas the Amphibole is a form of inosilicate, which contains double chain SiO 4 tetrahedra.
4. Each of the independent sulphate tetrahedra is linked to a translationally equivalent sulphate by acentrically ordered hydrogen bonds.
5. 8 The clays consist of silica tetrahedra and the octahedra contain magnesia surrounded by oxygen atoms and hydroxyl groups.
6. Chert is just one of the many types, or polymorphs, of quartz, a mineral composed of three-dimensionally bonded silicate tetrahedra.
7. The result is applied to calculate the integral Breadths of reflexions from crystals having the external forms of rectangular parallelepipeds, tetrahedra, octahedra and spheres
8. The basic building block for the Amphiboles is the same SiO 4 tetrahedra that are the building block and core of all silicates
9. His most lasting insights may be geometric. He claimed that the natural analytic geometry of the universe was based on arrays of tetrahedra.
10. Nesosilicates (from Greek νῆσος nēsos, island), or orthosilicates, have the orthosilicate ion, which constitute isolated (insular) 4− tetrahedra that are connected only by interstitial cations.
11. Amphiboles A group of minerals possessing double chains of silicon—oxygen [SiO 4] tetrahedra with a composition of [Si 4 O 11] n running parallel to the crystallographic axis; i.e
12. Augite Augite is a member of the pyroxene group of simple silicates, in which the SiO 4 tetrahedra are linked by sharing two of their four corners to form continuous chains
13. Amphibole is an crucial institution of usually darkish-colored, inosilicate minerals, forming prism or needlelike crystals,composed of double chain SiO4 tetrahedra, connected at the vertices and normally containing ions of iron and/or magnesium in their systems
14. Amphibole / is the name of an important group of generally dark-colored, inosilicate minerals, forming prism or needlelike crystals Inosilicates are chain silicates which have interlocking chains of silicate tetrahedra with either SiO3, 1:3 ratio, for single chains or …
15. Anorthite, CaAl 2 Si 2 O 8, is classified as a plagioclase group feldspar tectosilicate, with 45 to 50% of the Si 4+ in the tetrahedra framework substituted by Al 3+.This large charge deficit is balanced mainly by the addition of Ca to the feldspar structure