- labradorite stone
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лабрадор
English-Russian dictionary of geology. 2011.
labradorite stone
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labradorite — noun A plagioclase feldspar, the fourth member of the Albite Anorthite solid solution series. Often very coarsely crystalline, it is used as a decorative stone for carvings and building façades. Crystal surfaces often show a bluish reflection… … Wiktionary
NIST stone test wall — The NIST stone test wall. The NIST stone test wall is an experiment by the United States National Institute of Standards and Technology to determine how different types of construction stone weather. It includes 2352 samples of stone from 47… … Wikipedia
Ammolite — Infobox mineral name = Ammolite category = fossilized, mineralized Ammonite shell boxwidth = boxbgcolor = imagesize = caption = Unprocessed sample of ammolite, a dragon skin pattern is apparent formula = CaCO3 aragonite polymorph, with minor… … Wikipedia
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
Important gemstones — ▪ Table Important gemstones mineral gem name colour Mohs hardness* specific gravity* beryl aquamarine sky blue to greenish blue 7½–8 2.68–2.71 emerald green 2.68–2.74 goshenite colourless; greenish yellow, yellow green, brownish same as… … Universalium
Lustre (mineralogy) — Lustre (or luster) is a description of the way light interacts with the surface of a crystal, rock, or mineral. The word lustre traces its origins back to the Latin word lux, meaning light , and generally implies radiance, gloss, or brilliance. A … Wikipedia
gabbro — gabbroic /geuh broh ik/, gabbroitic, adj. gabbroid /gab royd/, adj. /gab roh/, n., pl. gabbros. Petrol. a dark granular igneous rock composed essentially of labradorite and augite. [ < It; akin to L glaber smooth] * * * Any of several medium or… … Universalium
moonstone — /moohn stohn /, n. 1. Also called precious moonstone. a semitransparent or translucent, opalescent, pearly blue variety of adularia, used as a gem. 2. any of several adularescent feldspars, as certain varieties of albite, labradorite, or… … Universalium
marble — marbler, n. /mahr beuhl/, n., adj., v., marbled, marbling. n. 1. metamorphosed limestone, consisting chiefly of recrystallized calcite or dolomite, capable of taking a high polish, occurring in a wide range of colors and variegations and used in… … Universalium
List of minerals — This is a List of minerals for which there are Wikipedia articles. Mineral variety names and mineraloids are to be listed after the valid minerals for each letter.For a complete listing (about 4,000) of all mineral names: List of minerals… … Wikipedia
Russian architecture — follows a tradition whose roots were established in the Eastern Slavic state of Kievan Rus . After the fall of Kiev, Russian architectural history continued in the principalities of Vladimir Suzdal, and Novgorod, and the succeeding states of… … Wikipedia
