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Earth Science
flash cards for my earth science class to study from.
16
Geology
12th Grade
09/29/2014

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Cards

Term
What are the types of luster?
Definition
metallic and nonmetallic
Term
Is color a reliable way to identify a mineral? Why?
Definition
(NO) color alone isn't really a good way because multiple minerals come in the same color.
Term
Resistance of a mineral to be scratched?
Definition
Term
List 3 ways minerals form?
Definition
Igneous: form when melted rock cools and hardened.
Sedementary: From by weathering
Metamorphic: Form when mountains build up.
Term
Softest mineral?
Definition
Talc
Term
Name of the scale used to determine mineral hardness?
Definition
Mohs scale is used to measure hardness.
Term
penny hardness number?
Definition
Term
glass hardness number?
Definition
Term
How many minerals exist on earth? In Pennsylvania?
Definition
Term
most common groups of minerals?
Definition
Term
Examples of compound minerals?
Definition
Term
Color of a minerals powder when rubbed on porcelain plate is?
Definition
The streak
Term
Ability of a mineral to reflect light is?
Definition
Luster
Term
breaking of a mineral with rough and jagged edges is?
Definition
Fracture
Term
List some special properties of minerals?
Definition
Magnetism, radioactivity, reaction to acids.
Term
5 characteristics that all minerals us have.
Definition
Naturally Occurring, solid, inorganic, crystal structure, definite chemical composition,
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