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Criteria
Identifying Minerals 1
Identifying Minerals 2
How Minerals Form
Misc. Minerals
100
A mineral must be found in this state of matter in normal conditions.
What is a solid.
100
This is something that we can easily see and identify using our eyes and is the first thing most people notice about a mineral.
What is color.
100
This is the term for how a mineral reflects light.
What is luster.
100
A mixture where one substance is dissolved in another substance is known as this.
What is a solution.
100
A common solution that can be found in the ocean is this.
What is saltwater.
200
Steel is not considered a mineral for this reason.
What is not naturally occurring.
200
How hard or soft a mineral is can be measured using this scale.
What is the mohs hardness scale.
200
This is what we call the color of the powder made by a mineral.
What is streak.
200
Some minerals form when water does this out of a solution.
What is evaporates.
200
One or more elements bonded together are called this.
What is a compound.
300
The particles in a mineral line up in a pattern known as this.
What is a crystal.
300
This is how we measure the streak of a mineral.
What is rubbing it against an un-glazed, white piece of porcelain.
300
When mineral breaks along a flat surface, we call it this.
What is cleavage.
300
Crystals formed by quickly cooling magma are going to be this size.
What is small.
300
This is the term used for whether or not a mineral is magnetic.
What is magnetism.
400
A mineral cannot be formed from once living things, meaning that the mineral is considered to be this.
What is inorganic.
400
This is how we measure density.
What is divide mass by volume.
400
A rock that glows under a black light is considered to be this.
What is flourescent.
400
This is what we call a narrow strip of minerals underground that do not match the surrounding rocks.
What is a vein.
400
Minerals that break irregularly are said to have this.
What is fracture.
500
A mineral always contains the same elements in the same proportion. As a result, we say that a mineral always has this.
What is a definite chemical composition.
500
If you have a sample of pyrite (fool's gold) and a sample of gold, this is the best way to tell the difference.
What is streak.
500
Sometimes you can tell what kind of mineral you have because it will react to this.
What is acid.
500
This is the name for a rounded hollow rock with crystals inside it.
What is a geode.
500
The process by which crystals form is called this.
What is crystallization.