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minerals
Jackson torpps
18
Science
6th Grade
01/08/2014

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Cards

Term
What is a mineral?
Definition
A mineral is a naturally occurring inorganic solid with a definite chemical composition and an orderly arrange of atoms
Term
How many elements occur naturally in the earths crust?
Definition
90
Term
What is the most common mineral?
Definition
silicate
Term
What elements dose it contain?
Definition
Term
What is the scale to determine hardness
Definition
Moh's scale
Term
What is the hardest mineral
Definition
diamond at number 10
Term
What is the softest mineral
Definition
Talc at number 1
Term
What is luster
Definition
How a mineral reflects light
Term
What is specific gravity
Definition
density of a mineral
Term
What is cleavage
Definition
When mineral breaks along a plane
Term
What is a streak
Definition
Color of minerals powder
Term
What is fracture
Definition
Breaks unevenly
Term
What is appearance
Definition
Color, texture of the mineral
Term
What are two characteristics that make a gem?
Definition
For a mineral to be a gem it has to be rare and beautiful
Term
What is ore?
Definition
a mineral or rock that can be mined at a profit
Term
One example of an ore
Definition
magnetite- iron
Term
second example of ore
Definition
hematite
Term
Third example of ore
Definition
Bauxite- aluminum
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