chemical composition Cu5FeS4 that crystallizes in the orthorhombic system (pseudo-cubic). Bornite has a brown to copper-red color on fresh surfaces that tarnishes...

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...

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...

crystal system with typically rhombohedral shaped crystals that are pseudo-cubic. The crystals are typically twinned, and both contact twinning and penetration...

variety of crystal habits including tabular, acute rhombohedral, pseudo-cubic and pseudo-cuboctahedral. It occurs in association with carminite, scorodite...

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...

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...

rarely as striated crystals, pseudocubic. Twinning About [111] creating pseudo-cubic forms and striations Cleavage Perfect on {001} Fracture Uneven Tenacity...

Z = 4 Identification Color Black, purplish tinge Crystal habit Pseudo-octahedra or pseudo-cubic, dodecahedra, cubes; radiating crystal aggregates, botryoidal...

space group R3m and crystals are usually either tabular {0001} or pseudo-cubic to pseudo-cuboctahedral. Woodhouseite was named after Professor Charles Douglas...

honey-yellow, orange to brownish yellow, brown Crystal habit Massive, granular, pseudo cubic, radiating to botryoidal aggregates and crusts Cleavage None Fracture...

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...

tinged violet Crystal habit Prismatic or tabular cube-like crystals, pseudo cubic Cleavage Perfect on {001}, good on {010} and {100} Mohs scale hardness...

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...

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...

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...

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...

High-dynamic-range rendering Image distortion Infrared Lens flare (cubic lens distortion flare, pseudo lens flare) Light scattering Nightvision Outlines Particle...

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...

of the 7 crystal systems. Orthorhombic lattices result from stretching a cubic lattice along two of its orthogonal pairs by two different factors, resulting...

octahedral Centered dodecahedral Centered icosahedral non-centered Tetrahedral Cubic Octahedral Dodecahedral Icosahedral Stella octangula pyramidal Square pyramidal...

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} ,}...

{T}}{\boldsymbol {\Sigma }}\mathbf {c} } , its covariance with itself. Similarly, the (pseudo-)inverse covariance matrix provides an inner product ⟨ c − μ | Σ + | c −...

renovations have highlighted some of the original structure. The façade has a pseudo-portal porch topped by a triple lancet window, the sides are walled medieval...

anthropology), craniometry, evolutionary biology, and other disciplines or pseudo-disciplines through proposing anthropological typologies to classify human...

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...

curvature tensor also called Riemann tensor Riemann tensor (general relativity) Pseudo-Riemannian manifold Riemannian bundle metric Riemannian circle Riemannian...

diffraction system. The new transformation mechanism has been christened pseudo martensitic transformation. D.A. Porter and K.E. Easterling, Phase transformations...

functions and predicates are monotonic and Boolean. Monotone cubic interpolation Pseudo-monotone operator Spearman's rank correlation coefficient - measure...

ions (167 pm in size) are arranged in a cubic array whereas the smaller sodium ions (116 pm) fill all the cubic gaps (octahedral voids) between them. This...