phlogopite वाक्य
उदाहरण वाक्य
मोबाइल
- The phlogopite crystals have been used to determine the age of the dike and its crystallization temperature ( 900 �C ( 1, 650 �F ) ).
- Phlogopite is the magnesium endmember of the biotite solid solution series, with the chemical formula KMg 3 AlSi 3 O 10 ( F, OH ) 2.
- Secondary ( metamorphic ) minerals include chlorite, amphibole, sodic plagioclase, quartz, iron oxides and rarely phlogopite, baddeleyite, and pyrope or hydrogrossular garnet.
- Minor minerals and mineral groups in peridotite include plagioclase, spinel ( commonly the mineral chromite ), garnet ( especially the mineral pyrope ), amphibole, and phlogopite.
- Other minerals may include serpentine, clay minerals, carbonate minerals, phlogopite, ilmenite, perovskite, spinel, apatite, pyrite and, in some cases, diamonds.
- Modal metasomatism may result in formation of amphibole and phlogopite, and the presence of these minerals in peridotite xenoliths has been considered strong evidence of metasomatic processes in the mantle.
- The second is Phlogopite, which remains stable up to 900 �C and is used in applications in which a combination of high-heat stability and electrical properties is required.
- It occurs in association with alstonite, barite, barytocalcite, calcite, daqingshanite, fluorite, huntite, monazite, phlogopite, pyrite, sphalerite, strontianite, and quartz.
- The largest documented single crystal of mica ( phlogopite ) was found in Lacey Mine, Ontario, Canada; it measured 10 ?4.3 ?4.3 m and weighed about 330 tonnes.
- In addition to diamonds, visitors may find semi-precious gems such as amethyst, agate, and jasper or approximately 40 other minerals such as garnet, phlogopite, quartz, baryte, and calcite.
- Group I kimberlites exhibit a distinctive inequigranular texture caused by macrocrystic ( ) to megacrystic ( ) phenocrysts of olivine, pyrope, chromian diopside, magnesian ilmenite and phlogopite, in a fine to medium grained groundmass.
- The distinctive characteristic of olivine lamproites is phlogopite macrocrysts and microphenocrysts, together with groundmass micas that vary in composition from phlogopite to " tetraferriphlogopite " ( anomalously Al-poor phlogopite requiring Fe to enter the tetrahedral site ).
- The distinctive characteristic of olivine lamproites is phlogopite macrocrysts and microphenocrysts, together with groundmass micas that vary in composition from phlogopite to " tetraferriphlogopite " ( anomalously Al-poor phlogopite requiring Fe to enter the tetrahedral site ).
- The distinctive characteristic of olivine lamproites is phlogopite macrocrysts and microphenocrysts, together with groundmass micas that vary in composition from phlogopite to " tetraferriphlogopite " ( anomalously Al-poor phlogopite requiring Fe to enter the tetrahedral site ).
- Hydrated minerals ( e . g ., phlogopite, lawsonite, amphibole ) within the oceanic lithosphere become unstable at certain depths due to increased temperature and pressure, causing the crystal structure of the hydrated minerals break down and release water.
- The most famous of the rocks of Aln�n is the " alnoite ", named from the Island, which is a lamprophyre chiefly composed of biotite or phlogopite and melilite as essential minerals, commonly with olivine, calcite and clinopyroxene.
- The occurrence of phlogopite mica within igneous rocks is difficult to constrain precisely because the primary control is rock composition as expected, but phlogopite is also controlled by conditions of crystallisation such as temperature, pressure, and vapor content of the igneous rock.
- The occurrence of phlogopite mica within igneous rocks is difficult to constrain precisely because the primary control is rock composition as expected, but phlogopite is also controlled by conditions of crystallisation such as temperature, pressure, and vapor content of the igneous rock.
- Group-I kimberlites are of CO 2-rich ultramafic potassic igneous rocks dominated by primary forsteritic olivine and carbonate minerals, with a trace mineral assemblage of magnesian ilmenite, chromium pyrope, almandine-pyrope, chromium diopside ( in some cases subcalcic ), phlogopite, enstatite and of Ti-poor chromite.
- A second great group of hornfels are the recrystallize as marbles, but where there has been originally an admixture of sand or clay lime-bearing silicates are formed, such as diopside, epidote, garnet, sphene, vesuvianite and scapolite; with these phlogopite, various feldspars, pyrites, quartz and actinolite often occur.
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