chemical composition Cu5FeS4 that crystallizes in the orthorhombic system (pseudo-cubic). Bornite has a brown to copper-red color on fresh surfaces that tarnishes...
7 KB (554 words) - 04:25, 13 January 2024
form of cubic icositetrahedra but, as first observed by Sir David Brewster in 1821, they are not optically isotropic, and are therefore pseudo-cubic. Goniometric...
5 KB (389 words) - 00:48, 4 January 2024
constants a = 5.39 Å, b = 5.45 Å and c = 7.65 Å. Perovskites have a nearly cubic structure with the general formula ABO3. In this structure the A-site ion...
16 KB (1,588 words) - 00:55, 11 October 2024
crystal system with typically rhombohedral shaped crystals that are pseudo-cubic. The crystals are typically twinned, and both contact twinning and penetration...
4 KB (297 words) - 16:58, 28 May 2024
rarely as striated crystals, pseudocubic. Twinning About [111] creating pseudo-cubic forms and striations Cleavage Perfect on {001} Fracture Uneven Tenacity...
6 KB (452 words) - 02:01, 15 October 2024
occupying one third of the octahedral interstices in alternating layers of a pseudo-cubic close packed lattice of Cl− ions. The absence of cations in alternate...
15 KB (1,352 words) - 16:10, 29 July 2024
variety of crystal habits including tabular, acute rhombohedral, pseudo-cubic and pseudo-cuboctahedral. It occurs in association with carminite, scorodite...
4 KB (184 words) - 00:13, 4 January 2024
scalenohedral structure. In habit it is usually massive, but does often show pseudo-cubic forms. It has poor to indistinct cleavage and a brittle fracture. It...
6 KB (553 words) - 05:07, 1 February 2024
Z = 4 Identification Color Black, purplish tinge Crystal habit Pseudo-octahedra or pseudo-cubic, dodecahedra, cubes; radiating crystal aggregates, botryoidal...
5 KB (471 words) - 09:40, 19 September 2024
space group R3m and crystals are usually either tabular {0001} or pseudo-cubic to pseudo-cuboctahedral. Woodhouseite was named after Professor Charles Douglas...
5 KB (342 words) - 20:03, 20 February 2023
honey-yellow, orange to brownish yellow, brown Crystal habit Massive, granular, pseudo cubic, radiating to botryoidal aggregates and crusts Cleavage None Fracture...
7 KB (733 words) - 00:35, 27 August 2023
121 SrH6 pseudo cubic Pm3m semiconductor metallize > 220 GPa Sr3H13 C2/m SrH22 138 triclinic P1 BaH12 Barium dodecahydride 75 pseudo cubic 5.43 5.41...
38 KB (3,488 words) - 19:40, 12 October 2024
formed with at least one well-defined orientation. The crystal itself is pseudo-cubic, meaning its shape resembles that of a cube. When this uncommon mineral...
4 KB (421 words) - 03:45, 28 January 2024
tinged violet Crystal habit Prismatic or tabular cube-like crystals, pseudo cubic Cleavage Perfect on {001}, good on {010} and {100} Mohs scale hardness...
2 KB (101 words) - 11:30, 8 December 2023
commonly as rhombohedral crystals that can grow to around 5mm in height and as pseudo-octahedral crystals that typically measure about 1mm across. The habit of...
9 KB (985 words) - 00:13, 4 January 2024
Robinia pseudoacacia (redirect from Robinia pseudo-acacia)
common name is false acacia, a literal translation of the specific name (pseudo [Greek ψευδο-] meaning fake or false and acacia referring to the genus of...
37 KB (4,452 words) - 12:46, 16 September 2024
High-dynamic-range rendering Image distortion Infrared Lens flare (cubic lens distortion flare, pseudo lens flare) Light scattering Nightvision Outlines Particle...
5 KB (581 words) - 21:34, 8 July 2024
1960s using X-ray diffraction suggested Na0.5Bi0.5TiO3 to adopt either a pseudo-cubic or a rhombohedral crystal structure. In 2010, based on the high-resolution...
5 KB (501 words) - 22:00, 5 March 2023
Orthorhombic crystal system (redirect from Pseudo-orthorhombic)
of the 7 crystal systems. Orthorhombic lattices result from stretching a cubic lattice along two of its orthogonal pairs by two different factors, resulting...
6 KB (326 words) - 22:54, 17 January 2024
areas or volumes, depending on the type of field (scalar, vector, pseudo-vector or pseudo-scalar). A key feature of mimetic interpolation is that vector...
21 KB (2,760 words) - 13:44, 27 September 2024
Pseudoprime (redirect from Pseudo-prime)
octahedral Centered dodecahedral Centered icosahedral non-centered Tetrahedral Cubic Octahedral Dodecahedral Icosahedral Stella octangula pyramidal Square pyramidal...
3 KB (357 words) - 09:37, 4 June 2024
Covariance matrix (redirect from Pseudo-covariance matrix)
{T}}{\boldsymbol {\Sigma }}\mathbf {c} } , its covariance with itself. Similarly, the (pseudo-)inverse covariance matrix provides an inner product ⟨ c − μ | Σ + | c −...
35 KB (5,447 words) - 03:53, 8 October 2024
The pseudo Jahn–Teller effect (PJTE), occasionally also known as second-order JTE, is a direct extension of the Jahn–Teller effect (JTE) where spontaneous...
40 KB (5,604 words) - 18:27, 27 April 2024
In mathematics and optimization, a pseudo-Boolean function is a function of the form f : B n → R , {\displaystyle f:\mathbf {B} ^{n}\to \mathbb {R} ,}...
7 KB (1,139 words) - 06:53, 22 July 2024
Scientific racism (redirect from Pseudo-scientific racist theories)
anthropology), craniometry, evolutionary biology, and other disciplines or pseudo-disciplines through proposing anthropological typologies to classify human...
138 KB (16,887 words) - 00:21, 18 October 2024
diffraction system. The new transformation mechanism has been christened pseudo martensitic transformation. D.A. Porter and K.E. Easterling, Phase transformations...
11 KB (1,264 words) - 00:56, 14 August 2024
curvature tensor also called Riemann tensor Riemann tensor (general relativity) Pseudo-Riemannian manifold Riemannian bundle metric Riemannian circle Riemannian...
4 KB (287 words) - 19:15, 29 November 2023
deficient, and the sink t is active. Pseudo-flows, feasible flows, and pre-flows are all examples of flow functions. A pseudo-flow is a function f of each edge...
22 KB (3,042 words) - 15:41, 26 July 2024
polynomial Polynomial SOS (sum of squares) Polynomial family Quadratic function Cubic function Quartic function Quintic function Sextic function Septic function...
5 KB (441 words) - 01:35, 1 December 2023
of Murder Telltale Games Ubisoft 2007-09-25NA ✔ ✔ Cubic Lode Runner •Hudson Selection Vol. 1: Cubic Lode RunnerJP Hudson Soft Hudson Soft 2003-11-27JP...
272 KB (151 words) - 23:29, 4 September 2024