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Minerals

QuestionAnswer
Created by nature. Naturally occurring
Cannot be created using any living thing, only NON-living. inorganic
Minerals have a definite volume, and shape Solid
particles of a mineral lines up in a pattern over and over again Crystal Structure
A mineral has definite chemical make-up of certain elements. Definite chemical composition
Identifies hardness from softest to hardest of ten minerals. Mohs hardness scale
Easily observed physical property. Color
The color of the minerals powder is easily observed Streak
Its reflection of light in the minerals surface. Luster
How tightly packed the matter is in the mineral. Density
The minerals actual polygon shape, example cube, or hexagon. Crystal system
Mineral breaks along a flat surface, smooth break. Cleavage
Mineral breaks in an irregular way, jagged and uneven. Fracture
form from magma that cools inside the crust or lava that cools on the surface. Magma cools slowly creating large minerals, and lava cools quickly creating small minerals. Crystallization through melted materials
Magma heats water to very high temperatures, when the hot water cools the water and leaves the solution that creates the crystallization. Minerals in Hot Water Solution
Minerals form when Solutions evaporate
Many rare and valuable minerals are found in or near volcanic activity, mountain building, and bodies of water Where minerals are found:
Using minerals such as rubies and sapphires for jewelry Gemstones
Using minerals such as aluminum, iron, copper, and silver, to make other items we use or want. Metals
Example: talc= talcum powder Other Useful Minerals
a rock that contains metal or useful minerals Ores
someone who looks for ore deposits. Prospector
Where ore deposits are mined. Mining
Equipment scrapes away the earth's surface to find ores Strip mines
Used when ores or on the earth's surface, but at least 100 meters down. Open Pit mines
are deep in the earth’s surface following the veins of an ore. Shaft mines
The process that is used after the ore is removed from the mine and the metal is removed from the ore. Smelting
Created by: user-2006756
 

 



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