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Clevelandite is a blade shaped lamellar variety of white albite often found in pegmatite pockets associated with tourmaline, beryl, lepidolite and other pocket minerals. Activates The Brain & Boosts You Mentally. Albite Helps Your Memory! These include olivine, pyroxene, amphibole, biotite, and plagioclase feldspars. Pericline is the variety of Albite with a glazed porcelain-like luster and milky white color. The mineral is translucent to opaque with a pearly luster. Albite is a helpful crystal to use as it stimulates the brain, which can enhance your memory and boost you mentally.. Albite is the sodium end member of the plagioclase series, and is commonly found in pegmatites. Albite also forms very fine crystals in vuggy alkali foidic syenites. Albite is a widely distributed white feldspar commonly found in granites, syenites, rhyolites, and trachytes, as well as pegmatites and spillites. Albite, common feldspar mineral, a sodium aluminosilicate (NaAlSi 3 O 8) that occurs most widely in pegmatites and felsic igneous rocks such as granites.It may also be found in low-grade metamorphic rocks and as authigenic albite in certain sedimentary varieties. Although usually white, the brittle, glassy crystals … Because albite is the last of the feldspars to crystallize from molten rock, it may often be found with other rare minerals. Facetable albite from Madagascar has indices: a = 1.530-1.531; β= 1.532-1.533; γ= 1.539-1.540; birefringence 0.009-0.010; density 2.62. This is a variety of Albite, known as pericline, taking its name from the Greek word, periklinis, or inclined on all sides (Mindat). Translucent albite is sometimes found that is colored a rich green by inclusions of chrome-rich jadeite. It represents a plagioclase with less than 10% anorthite content. Albite is sometimes intergrown with emerald, especially in the strange hexagonal skeletal crystals known as trapiche emeralds. Fine sharp crystals of albite can measure up to 20 cm. It is a common constituent in felsic rocks. This natural mineral specimen was found in a tourmaline bearing pegmatite in Minas Gerais, Brazil. Albite mineral Britannica. In pegmatites, albite forms crystals up to about 8cm in pegmatite which can sometimes be gemmy. Most of the common minerals found in igneous rocks are solid-solution phases. Uses: Albite feldspar is an important ingredient in some building and ornamental stones, notably granites, some of the finest of which owe their beauty to feldspar crystals . Albite is a widely distributed white feldspar commonly found in granites, syenites, rhyolites, and trachytes, as well as pegmatites and spillites. Albite is a plagioclase feldspar mineral.It is the sodium endmember of the plagioclase solid solution series. The albite matrix is a mass of intergrown triclinic albite crystals with a small amount of quartz. Albite is found throughout the world, with major locations in the Alps, Urals, Harz Mountains, France, Norway, and the U.S. (Maine, Virginia, Colorado). Albite is a rock forming mineral in pegmatites and the characteristic, interlocking blady variety known as cleavelandite is a sign of the presence of possible pockets. Pericline is elongated and twinned along the b-axis and … Because albite is the last of the feldspars to crystallize from molten rock, it may often be found with other rare minerals. The variety of albite called cleavelandite typically has thin curved intergrown blades that are white, cream colored, tan or frequently a pale blue color. Comments. It has a number of useful effects within the crown chakra and the brain, including helping you to think more clearly and logically. 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