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knipp - minerals
minerals
17
Geology
7th Grade
11/07/2012

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Term
mineral
Definition
make up rocks
Term
ore
Definition
rock that can be mined for a profit
Term
gem
Definition
a beautiful and rare mineral
Term
luster
Definition
how well a mineral reflects light
Term
streak test
Definition
color of a powdered mineral
Term
Moh's scale
Definition
scale of mineral hardness (1-10)
Term
diamond
Definition
hardest mineral
Term
inorganic
Definition
not made by a life process
Term
crystal
Definition
atoms have a specific pattern
Term
silicate
Definition
mineral containing silicon and oxygen
Term
90
Definition
number of elements in the Earth's crust
Term
cleavage
Definition
when a mineral breaks along a smooth, flat surface
Term
fracture
Definition
when a mineral breaks along an uneven surface
Term
hematite
Definition
iron ore
Term
bauxite
Definition
aluminum ore
Term
smelting
Definition
process used to separate a mineral from an ore
Term
quartz
Definition
most common mineral in the Earth's crust
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