Cubangbang's 8th Ch. 14 Minerals and Ores Stack #221103
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| What evidence do we have that God intends humans to mine for minerals in the earth? | Job 28
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| What are naturally occuring, inorganic, crystalline solid with a definite chemical composition? | minerals
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| What are minerals that come from living things called? | organic minerals
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| a rock containing one or more minerals that are the source of elements or compounds important to industry or agriculture | ores
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| What happened to the mineral deposits that were originally created in the earth? | The Great Flood
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| A substance composed of one kind of atom, that is, atoms having the same number of protons in their nuclei | Elements
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| A mineral that contains only one kind of atom and is therefore a pure element | Native Mineral
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| A substance formed from two or more elements combined in a fixed ratio characteristic for that compound | Compound
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| Two or more substances mixed together but not chemically combined | Mixture
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| Geologists who specialize in identifying minerals | mineralogists
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| Geologists begin to identify a spesimen by observing its... | Color
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| A mineral identification test made by rubbing a specimen across an unglazed porcelain tile and observing the color of the powdered mineral that remains | Streak
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| The quality and intensity of light reflected from the mineral's surface | Luster
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| A method used to identify the specimens crystal shape and growth | Crystal shape and growth
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| The growth or enlargement of a crystal by the attachment of additional particles from a soultion or melt | accretion
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| A property of certain minerals that allows them to split easily along certain preferred planes | Cleavage
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| The characteristic manner in which a mineral breaks when it does not exhibit cleavage | Fractures
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| A comparsion of the ability of one substance to scratch or be scratched by another, resulting in a numerical rating from 1 to 10 on the Mohs hardness scale | Hardness Test
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| A scale from 1 to 10 for classifying minerals according to their relative hardness | Mohs scale
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| A ratio of the mass of a mineral to that of an equal volume of water | specific gravity
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| A means of identifying the presence of certain elements in a mineral by observing the mineral's color when heated in a flame | Flame Test
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| A method for identifying certain minerals by nothing the presence or absence of effervescence of a gas when a mineral is exposed to dilute acids | Acid Test
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| An identifying property of certain minerals whereby they they are able to attract iron. | Magnetism
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| A magnetic mineral called magnetite that was once used as the magnetic element in navigation compasses | lodestone
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| The rate at which nuclear particles and rays are emmited by a radioactive substance | Radioactivity
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| A visable glow given off by some minerals when they absorb high-energy but invisable ultraviolet light | Luminescence
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| The blending of a wave when it changes speed because the material through which it is moving changes in some way | Refraction
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| The process in which light waves are filtered so that they vibrate in only one direction when they exit the filter | polarization
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| A percious, dense, yellow metal that often occurs as a native mineral in the form of viens or placer deposit | gold
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| A deposit consisting of fine flecks of gold or other dense native minerals eroded out of the parent rocks | placer deposits
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| A method for separating placer gold from the sand and gravel in which it is found | panning
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| a method of mechanically processing ores in order to extract dense metals by flowing crust rock mixed with water down a long, ridged trough | sluicing
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| A method of underwater mining where mineral placer deposits are scooped oof river or lake beds by floating machinery and mechanically processed to remove valuable minerals | dredging
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| A precious, metallic, native mineral with a specific gravity of 10.5 | Silver
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| A common metal aften found as a native mineral and used in many applications because it conducts both electricity and heat very well | Copper
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| A percious, white-silver, metallic, native mineral with a specific gravity of 21.5, denser than gold | Platinum
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| A native mineral compound of pure inorganic carbon. | diamond
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| Cylindrical bodies of volcanic breccia in the necks of extinct volcanoes where diamonds are somethimes found | diamond pipes
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| A unit of weight (actually mass) for gem stones equal to 0.2 grams | carat
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| a nonmetallic, native mineral consisting of the pure element sulfur, which is identified by its yellow color and conchoidal fracture | sulfur
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| A method of mining sulfur in which extremely hot water is pumped into the deposit, melting the sulfur so it can be forced to the surface by compressed air | Frasch process
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| Class of minerals that contains mainly silicon and oxygen along with minor amounts of other elements | silicates
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| A nonsilicate mineral composed of oxygen and some other element, usually a metal | oxides
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| Compound composed of one or more elements and sulfur | sulfides
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| A class of minerals that contain the carbonate ion, which consists of a carbon atom and three oxygen atoms bonded together | Carbonates
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