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30 Cards in this Set

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What is the basic building block of the silicate minerals?
Oxygen
Name one ferromagnesian rock-forming mineral.
Olivine

Biotite
Name one non-ferromagnesian rock-forming mineral.
Quartz

Feldspars
Minerals can form by?...3 answers
Cooling of magma or lava

Condensation from volcanic vapors

Precipitation from a solution
Name three physical properties:
crystalline

Luster

Hardness
If a mineral breaks along smooth planes, the mineral shows what physical property?
Cleavage
If a mineral breaks massively, the mineral shows what physical property?
Fracture
Define luster
The appearance of a mineral in reflected light.
What are the two types of luster:
Metallic luster

Non metallic luster
what is an ion?
Charged particles produced by a gain or loss of electrons.
An isotope is:
Atoms containing different #'s of neutrons but the same # of protons.
Can a mineral be organic in its composition
No
What two particles in an atom have a charge, and what are their charges?
Protons, positively charged particles

Electrons, negatively charged particles
A mineral is defined as:
Crystalline in structure

Occur naturally

specific chemical composition

Inorganic in composition

Definite physical properties
5 properties
The basic building block of the silicate minerals is the:
Oxygen-silicon tetrahedron
Minerals can form by what modes of orgin?
Cooling of magma or lava

Condensation of volcanic vapors

Precipitation from solution

Aughigenic growth

Metamorphism
A crystalline structure is defined as having an:
Orderally internal arrangement of a minerals constituants.
Would a piece of pyrite in the Ukraine differ from a piece of pyrite in the USA?
If a mineral varried from location to location it would be different.
What is meant by the phrose "rock-forming minerals?
One or more of these minerals makes up most of the rocks around us.
ferromagnesian minerals are rich in:
Iron and Magnesian
List three ferromagnesian minerals:
Biotite

Olivine

Amphibole
Nonferromagnesian minerals are rich in:
Quartz

feldspars
Two common feldspar minerals are:
Orthoclase

Plagioclase
What is a crystal
A solid bounded by smooth surfaces ordally internal arrangement of it's constituents
Streak is defined as:
The color of the powdered mineral on an unglazed porcelain plate
Define cleavage.
Property of some minerals that break along smooth planes.
What does cleavage indicate about the internal arrangement of a mineral?
Indicates weakness in the crystall structure.
Do all minerals have cleavage?
No
Do all minerals have fracture?
NO
Name one common carbonate mineral:
Calcite