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8b Minerals

minerals

QuestionAnswer
When is a mineral classified as an ore? If it is profitable and useful
What is the softest mineral? Talc
If a mineral can scratch another mineral, which physical property is that an example? hardness
What are the 5 parts to the definition of a mineral? solid inorganic naturally formed crystal structure chemical comp.
If a mineral peels off in sheets, what property is it showing? cleavage
What must silicates contain? silicon & oxygen
Which property is the least reliable to use to identify a mineral? color
Which property is the most reliable to use to identify a mineral? streak
What is an example of a native element? Gold Silver
If a mineral has a shiny, like a metal, surface, it is said to a a ________________ __________? metallic luster
Which mineral is found in nails? iron
What are the properties used to identify minerals? hardness streak color luster cleavage/fracture
What is the hardest mineral? diamond
What is a crystal? the shape of a mineral made by the arrangement of the repeating atoms
How do minerals form? cool solution cooling of magma/lava hot solutions recrystallization
Which formation is taking place if water moves over rocks and soil to pickup minerals and then evaporates? cool solution
What is the measure of how easily a mineral can be scratched? harndess
Which property describes the tendency of a mineral to break along rough or jagged edges? fracture
All minerals form through __________. crystallization
Minerals appear under high pressure and temperature are forming through ________. recrystallization
What is the formula for density? D = mass divided by volume
How do you find the volume of an object through water displacement? take a reading of the grad. cylinder, place the object in the cylinder, take a second reading. Subtract the first reading from the second and that is the volume of the object.
What is the meaning of inorganic? It is not living, never has been living.
What is the meaning of naturally formed? Formed in nature
Which tool is used to measure mass? triple beam balance
Which tool is used to measure volume? graduated cylinder
What is the curve of the liquid in a graduated cylinder called? meniscus
What form do minerals always exist in? solid
What makes a diamond a gemstone? rare and attractive
Which element do non-sillicates NOT contain? silica
What is matter? anything that has mass and takes up space.
What are the parts of an atom and their charges? proton = positive electron = negative neutron = no charge
How do you find the number of neutrons in an atom? Mass number - Atomic Number
What is a compound? two or more atoms joined together
Created by: 8BROCKS on 2013-09-19



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