- platy minerals
- пластинчатые минералы
English-russian plastics terminology dictionary. 2013.
English-russian plastics terminology dictionary. 2013.
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
Sulfide minerals — ▪ Table Sulfide minerals name colour lustre Mohs hardness specific gravity habit or form fracture or cleavage refractive indices or polished section data crystal system argentite blackish lead gray metallic 2–2 1/2 7.2–7.4 cubic or octahedral… … Universalium
Vanadate minerals — ▪ Table Vanadate minerals name colour lustre Mohs hardness specific gravity carnotite bright yellow to lemon or greenish yellow dull or earthy soft 4–5 descloizite brownish red to blackish brown; various shades from orange red to black and green… … Universalium
Phosphate minerals — ▪ Table Phosphate minerals name colour lustre Mohs hardness specific gravity amblygonite white to creamy white; slightly tinted vitreous to greasy 5½–6 3.0–3.1 apatite carbonate apatite variable, greens predominating vitreous 5 2.9–3.2… … Universalium
Cleavage (geology) — This article is about rock cleavage, for cleavage in minerals see Cleavage (crystal) Different ways in which a cleavage can develop in a sedimentary rock. A: original sedimentary rock; B: pencil cleavage; C: diagenetic foliation (parallel to… … Wikipedia
metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… … Universalium
schist — /shist/, n. any of a class of crystalline metamorphic rocks whose constituent mineral grains have a more or less parallel or foliated arrangement. [1775 85; < NL schistus, L (lapis) schistos < Gk schistós divided, curdled, divisible, deriv. of… … Universalium
Rock microstructure — includes the texture of a rock and the small scale rock structures. The words texture and microstructure are interchangeable, with the latter preferred in modern geological literature. However, texture is still acceptable because it is a useful… … Wikipedia
Shear (geology) — Study of geological shear is related to the study of structural geology, rock microstructure or rock texture and fault mechanics. Shear is the response of a rock to deformation usually by compressive stress and forms particular textures. Shear… … Wikipedia
Schist — The schists constitute a group of medium grade metamorphic rocks, chiefly notable for the preponderance of lamellar minerals such as micas, chlorite, talc, hornblende, graphite, and others. Quartz often occurs in drawn out grains to such an… … Wikipedia