[DOC] [TLE] Rock on! All diamonds consist primarily of this element ... - YouTube [PAR] Jul 13, 2016 ... Let's all rock down to Electric Avenue in the 1983 hit by this Guyanese pop star # 
Quiz # Question. 0:29. Amazing Videos Tube. No views... [DOC] [TLE] Diamond - Wikipedia [PAR] Diamond is a metastable allotrope of carbon, where the carbon atoms are 
arranged in a .... Diamond-bearing rock is carried from the mantle to the Earth's 
surface by ... Not all pipes contain diamonds, and even fewer contain enough 
diamonds to ... These minerals are rich in chromium (Cr) or titanium (Ti), 
elements which... [DOC] [TLE] Minerals, Rocks & Rock Forming Processes [PAR] 1) Elements (carbon [diamond], sulfur, zinc, gold, etc.) ... mafic and felsic minerals 
according to the principal rocks types they mainly occur in. ... The materials that 
the Earth's crust is made of are called rocks, and all rocks are made of minerals. 
.... E.G. in the case of a quartzite (or quartz arenite), a sandstone that consists 
more... [DOC] [TLE] Minerals - Chemistry Encyclopedia - structure, reaction, water, uses ... [PAR] Anions consist of a single element, the atoms of which have become negatively ... 
forty minerals that are commonly found and these are referred to as the rock-
forming minerals. ... All of the silicate minerals arise from various combinations of 
silica ... Lapis lazuli, now used primarily in jewelry, is a mixture of the feldspathoid
... [DOC] [TLE] Minerals, elements and the Earth's crust [PAR] Some are rare and precious such as gold and diamond, while others are more 
ordinary, such as ... Like all substances, minerals are composed of elements. [DOC] [TLE] GEM FORMATION [PAR] Most of the mantle consists of melted rock (magma) and giant segments of the ... 
the notable exceptions of peridot and diamond, which form in the mantle, and all 
of ... Silicon and oxygen are the two most abundant elements of the Earth's crust, 
.... tourmaline, consists primarily of pegmatite formations of a type called dikes. [DOC] [TLE] The Quartz Page: Quartz as a Rock-Forming Mineral [PAR] Oct 3, 2014 ... These rocks consist almost entirely of quartz. ... Finally, quartz and all the other 
silica polymorphs are absent from the Earth's upper ... because the structural 
relationships between the elements involved were not precisely ..... The QAPF 
values can be plotted into a diamond-shaped coordinate system, the... [DOC] [TLE] Granite: Igneous Rock - Pictures, Definition & More - Geology.com [PAR] Granite is an intrusive igneous rock that has many uses in building ... Granite is 
composed mainly of quartz and feldspar with minor amounts of ... Granite is used 
all around us - especially if you live in a city. .... Mafic elements are not 
considered. ... Biggest Misconception: Lots of people think that diamonds form 
from coal. [DOC] [TLE] Peridotite: Igneous Rock - Pictures, Definition & More - Geology.com [PAR] Kimberlite with diamond: Kimberlite, the rock that is found in many diamond pipes
, is a ... All of them are rich in olivine and mafic minerals. ... Dunite: a peridotite 
that is composed mainly of olivine and may contain significant .... Titanium - the 
metallic element used to make high performance alloys, pigments and polishes. [DOC] [TLE] How Do Diamonds Form? | They Don't Form From Coal! [PAR] These pieces of rock are known as "xenoliths" and may contain diamonds. ... 
Geologists believe that the diamonds in all of Earth's commercial diamond 
deposits ... Instead it is thought to be present primarily in the mantle beneath the 
stable... [DOC] [TLE] Geology Word of the Week: E is for Eclogite - Georneys - AGU ... [PAR] Jul 2, 2011 ... Mafic rocks consist primarily of pyroxene and plagioclase (along with some ... 
Often, eclogites experience partial or full retrograde metamorphism as ... that the 
chemical proportions of elements in these three rocks are nearly identical. ... of 
eclogite are found in diamond mines and contain diamond crystals. [DOC] [TLE] Illinois State Geological Survey Description of

Question: Rock on!  All diamonds consist primarily of this element
Answer: carbon