PDF-amphibole quartz rutile

continentcontinent subduction and collision followed by exhumation and cooling at 190185 Ga which formed. Halogen. Tungsten filament. Halogen glass. Encased in a glass quartz bulb. 3200 k. Information about pertinent light sources from . wikipedia. : . An . incandescent light bulb. , . incandescent lamp. thermometry. Albite. -Alkali feldspar. Al-Si disorder & presence of . Ca. may cause some difficulties to apply. Ternary feldspar T. for better estimation. Ternary feldspars. Albie. -K-feldspar-. Thank you so much for entering the class, its my pleasure to teach you about the amazing world of crystals!. You will need:. Any crystals* (even your whole crystal collection). A pen and pencil. . *During the class, if you do have the certain crystals in that part, please bring it out so you can have a meditation with it so you can put that in the final paper you will turn in via email. CONTACT/REGIONAL AND METASOMATIC ROCKS. Marble, Quartzite, and Serpentinite. 2. Marble, Quartzite, and Serpentinite. Marble and quartzite may be either regional or contact metamorphic. Serpentinite is formed by metasomatic alteration of mafic rocks . Granite, Alkali Feldspar Granite, Granodiorite, Quartz Monzonite, and Monzonite. 2. IUGS Intrusive Igneous Rock Chart . 3. “Granite”. Rocks in this lab are plutonic. They formed by very slow cooling and show corresponding large crystals. RHYOLITES, LATITE, TRACHYTE AND GLASSY EXTRUSIVE ROCKS. 2. IUGS Extrusive Igneous Rock Chart. 3. Silica Content Classification. 4. Naming aphanitic rocks. In naming aphanetic extrusive rocks, the name is often based only on a few phenocrysts. This is why a mafic name prefix is often used, for example hypersthene andesite. A better name is hypersthene phenoandesite.. Grain . Mineralogy. Reading Assignment: Boggs, Chapter 5. Key Concepts. Context of crust composition and surface rock composition. Quartz. Feldspar. Rock fragments. Other grains. Classification. Sedimentology. RHYOLITES, LATITE, TRACHYTE AND GLASSY EXTRUSIVE ROCKS. 2. IUGS Extrusive Igneous Rock Chart. 3. Silica Content Classification. 4. Naming aphanitic rocks. In naming aphanetic extrusive rocks, the name is often based only on a few phenocrysts. This is why a mafic name prefix is often used, for example hypersthene andesite. A better name is hypersthene phenoandesite.. Granite, Alkali Feldspar Granite, Granodiorite, Quartz Monzonite, and Monzonite. 2. IUGS Intrusive Igneous Rock Chart . 3. “Granite”. Rocks in this lab are plutonic. They formed by very slow cooling and show corresponding large crystals. By: . Fin Pfaff. What Is Amethyst?. Amethyst is . a type of purple . quartz and it is . used in . jewelry. It is made out of Silicon Dioxide. It is rated a 7 on the hardness . scale . a. nd it . has a glossy luster and a Conchoidal fracture.. Taxonomic Key For the . Forms of Quartz. 1a) Mineral has six-side hexagonal. . crystals and visible crystal facets. 1b) Mineral has no visible . . crystal facets.. Go to 3). Go to 2). 3) Quartz Crystals. CONTACT/REGIONAL AND METASOMATIC ROCKS. Marble, Quartzite, and Serpentinite. 2. Marble, Quartzite, and Serpentinite. Marble and quartzite may be either regional or contact metamorphic. Serpentinite is formed by metasomatic alteration of mafic rocks . and Al are positively correlated in the selvage and anti-correlated in the . lherzolite. .. Ti . decreases,while. . Al . decreases. in the . selvage. and . increases. in the . lherzolite. .. Following Thompson’s approach. Quartz .  Quartz . , . which is usually called . silica, is one of the most common minerals in . the Earth's crust. .  Quartz is made up of silicon dioxide (SiO2) .  Quartz crystals are usually hexagonal and .