Alyx & Allison Period 2. Mineral-a naturally formed, inorganic solid with a crystalline structure ...
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Transcript of Alyx & Allison Period 2. Mineral-a naturally formed, inorganic solid with a crystalline structure ...
![Page 2: Alyx & Allison Period 2. Mineral-a naturally formed, inorganic solid with a crystalline structure Elements-are substances that cannot be broken down.](https://reader036.fdocuments.in/reader036/viewer/2022072009/56649d935503460f94a7ae91/html5/thumbnails/2.jpg)
SECTION 1 MINERALS
Mineral-a naturally formed, inorganic solid with a crystalline structure
Elements-are substances that cannot be broken down
Atom-smallest part of an elementCompound-substance made of 2 or more elements
Crystal- solid geometric forms of minerals produced Silicate Mineral- minerals that contains a combination
of 2 elementsNonsilicate Mineral- combination of the elements
silicon & oxygen
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Silicates & Nonsilicates
Silicates Nonsilicates
Minerals that contain a combination of 2 elements
Silicate is made up of silicon and oxygen are the two most common elements in the Earth’s crust
Combination of elements silicon & oxygen
Nonsilicate minerals made up of elements such as carbon, oxygen, iron & sulfur
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Nonsilicates and silicates
Classes of nonsilicates Silicates pictures
Native elements minerals that are composed of one elements
Carbonates minerals that contain combinations of carbon and oxygen
Halides compounds that form atoms Ex. Fluorine, chlorine
Oxides compounds when an element such as aluminum or iron
Sulfates contains sulfur and oxygen
Sulfides minerals that contain 1 or more elements
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Luster- the way surface reflects light
Streak- color of minerals in powderCleavage- the tendency of some minerals to break on flat
surfacesFracture- the tendency of some minerals to break unevenly
along curved irregular surfacesHardness- refers to a mineral’s resistance to be scratched
Density- the measure of how much matter there is given in a amount of space
SECTION 2: IDENTIFY MINERALS
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Moh’s hardness scale
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Luster ChartMetallic Submetallic
Nonmetallic Ex. Earthy, waxy, pearly, silky
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SECTION 3: THE FORMATION AND MINING OF MINERALS
Ore- a mineral deposit large enough and pure enough to be mined for a profitReclamation- 1 way to reduce harmful effects of mining is completed
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Common uses of mineralsMineral Metal Uses
Chalcopyrite Copper Coins, electrical wire
Galena Lead Batteries, paints
Beryl Beryllium Bicycle frames, airplanes
Chromites Chromium Stainless steel, cast iron, leather tanners
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Surface mining and Deep mining Surface mining is
the removal of minerals or other materials at or near the Earth’s surface
Deep mining is the removal of minerals or other materials