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Identifying Minerals
Chapter 4
19
Geology
Not Applicable
11/30/2003

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Term
How many known minerals are there?
Definition
Over 2,000
Term
What is the study of minerals and their properties?
Definition
Mineralogy
Term
What's the first and most easily observed property?
Definition
Color
Term
Some minerals ______ ______ when _________ __ ____.
Definition
change, color, exposed, to, air
Term
What's cinnabar of? Color?
What's Malachite of? Color?
Definition
One of mercury - red.
One of copper - green.
Term
What's luster?
Definition
The way that minerals shine in reflected light.
Term
What's an example of a nonmetal?
Definition
Mica, Zinc, Adamantine
Term
What are the other words to describe a nonmetal?
Definition
Greasy, pearly, earthy, glassy,waxy, oily, dull.
Term
Metallic luster shines like __________ ______.
Definition
polished, metal
Term
What is crystal shape?
Definition
When ions arrange themselves in patterns.
Term
What is streak?
Definition
The color of a mineral when run across a streak plate.
Term
What's an example of brass-yellow? greenish-black?
Definition
Gold/Iron pyrite
Term
What's a mineral's tendency to split easily or to separate along flat surfaces?
Definition
Cleavage.
Term
What are the two types of fractures?
Definition
Conchroidal and Fibrous.
Term
What's hardness? Example of hardest/softest?
Definition
The resistance to being scratched. Diamond/Talc.
Term
What's rock salt?
Definition
Halite.
Term
What's flourescence?
Definition
The state of glowing under ultra-violet light.
Term
Radioactive does what?
Definition
Gives off subatomic particles.
Term
What's calcite an example of?
Definition
Double refraction.
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