[DOC] [TLE] Granite: Igneous Rock - Pictures, Definition & More - Geology.com [PAR] The pink grains are orthoclase feldspar, and the clear to smoky grains are quartz 
... Granite is composed mainly of quartz and feldspar with minor amounts of ... 
Pegmatite: Photograph of a granite with very large crystals of orthoclase feldspar. [DOC] [TLE] Chapter 4 Rocks and Minerals - Volcano World [PAR] The outer part of the Earth, the crust, consists of the lightest rock. ... The four 
minerals that make up granite are feldspar, quartz, mica, and hornblende. Granite 
was formed when magma cooled slowly forming crystals of the four minerals that 
.... Clear mica is called Muscovite because it is found near Moscow, Russia and 
was... [DOC] [TLE] Geology Chapter 4 Flashcards | Quizlet [PAR] contain at least 25 percent dark silicate minerals, mainly amphibole, pyroxene, ... 
Composed of crystals that are too small for the individual minerals to be .... small 
amounts of metallic ions in an otherwise relatively clear, glassy substance. ... 
from granite because it contains little or no visible quartz crystals and has a 
higher... [DOC] [TLE] Granite - Wikipedia [PAR] Granite is a common type of felsic intrusive igneous rock that is granular and 
phaneritic in texture. Granites can be predominantly white, pink, or gray in color, 
depending on their mineralogy. The word "granite" comes from the Latin granum, 
a grain, in reference to the coarse-grained structure of such a holocrystalline rock
. ... These rocks mainly consist of feldspar, quartz, mica, and amphibole minerals
... [DOC] [TLE] Rocks and Minerals :: Flashcard games and study tool optimized for ... [PAR] amethyst: A transparent purple variety of quartz, used as a gemstone. ... crystal: A 
solid (mineral quartz or otherwise) composed of an array of atoms ... granite: A 
group of igneous and plutonic rocks composed primarily of feldspar and quartz. [DOC] [TLE] The Rock GRANITE (Igneous Intrusive Rock) - Mineral Gallery [PAR] Granite, which is named for its "granular" or phaneritic texture, has crystals that 
tend to ... The minerals that are found in granite are primarily quartz, plagioclase
... [DOC] [TLE] B - Department of Earth Sciences [PAR] (1) In granites and marbles, a layer or sheet of the rock mass that is horizontal, ... 
calcite limestone - a limestone composed mainly of calcite (CaCO3, .... quartz - a 
silicon dioxide mineral that occurs in colorless and transparent or colored ... 
quartzite - a compact granular metamorphic rock composed of quartz crystals, 
usually... [DOC] [TLE] University of Minnesota's Mineral Pages: Plagioclase Feldspar [PAR] Luster, Crystals are vitreous (glass-like) to porcelaneous (porcelain-like) ... 
Quartz also tends to be more transparent and typically occurs as clear glassy 
masses. ... The plagioclase feldspar subgroup consists of a continuous mineral 
series that is .... region, including the St. Cloud Granite, Morton Gneiss and 
Wausau Granite. [DOC] [TLE] Observing the Three Types of Rocks [PAR] Obsidian is an amorphous solid; that, it is a solid rock composed of silicon 
dioxide, but this material lacks crystalline structures. ... GRANITE - Granite is 
composed of visible minerals, most commonly quartz, mica and feldspar. Quartz 
looks clear and glassy, mica is black and flaky, and the feldspars (commonly two 
or more... [DOC] [TLE] Granite - Sandatlas [PAR] Sep 14, 2015 ... Granite is a crystalline igneous rock that consists largely of feldspar and ... Some 
granites just like rhyolites contain phenocrysts  crystals that are ... Sometimes so 
much that it is no longer clear whether it is a granite or gneiss. [DOC] [TLE] Minerals, Rocks & Rock Forming Processes [PAR] ... black) to greenish color, and the last one (Ca-Plagioclase) is light to 
transparent. ... Magma is molten silicate material and may include already formed 
crystals and ... Both, rhyolites and granites, are composed of K-feldspar, Quartz, 
Sodium .... Coal, for example is a carbonaceous rocks that consists of the altered 
(due to... [DOC] [TLE] The Quartz Page: Quartz as a Rock-Forming Mineral

Question: Granite is composed mainly of feldspar & this transparent crystalline material
Answer: Quartz