A mineral's chemical formula is usually made of two or more of these, although some pure minerals only contain one.
What is an ELEMENT?
100
The name of the powder when a mineral is rubbed across a plate.
What is STREAK?
100
Obsidian is an example of this type of rock that has been cooled after volcanic activity.
What is IGNEOUS?
100
What is the name of the process that breaks down rocks?
EROSION or WEATHERING
100
If you can't see light through the mineral, it is said to be this.
What is OPAQUE?
200
Amber and other fossils are NOT minerals because they contain _____________ material.
What is LIVING?
200
The process of scratching a mineral with various tools helps to determine this property.
What is HARDNESS?
200
The type of rock that is made by layers that have been deposited and compacted together?
What is SEDIMENTARY?
200
To change a rock into metamorphic, it must undergo TWO conditions in the mantle.
What is HEAT and PRESSURE?
200
A property of a mineral that uses the formula mass/volume.
What is DENSITY?
300
A mineral must be __________, which means not made of living things.
INORGANIC
300
The way a mineral breaks along even planes is called its ______________________________.
What is CLEAVAGE?
300
Rock that has been broken down into pieces.
What is SEDIMENT?
300
Melted rock undergoes this process to become igneous.
What is COOLING?
300
Minerals are the building blocks of this.
What is a ROCK?
400
To be a mineral, it must only occur in _________________.
NATURE
400
The way light reflects off a mineral is called its ____________________________.
What is LUSTER?
400
Any rock can change into this type of rock with enough heat and pressure.
What is METAMORPHIC?
400
Layers of sediment must undergo this process if it is to become a sedimentary rock.
What is COMPACTION or PRESSURE?
400
A special property of a mineral that applies to metallic rocks like pyrite, and contains the element iron (Fe).
What is magnetic?
500
A minerals has a definite ____________________ structure.
What is CRYSTAL?
500
An unreliable property when determining if a mineral is gold or pyrite.
What is COLOR?
500
MUST BE IN THE CORRECT ORDER.
Melted rock starts out as ________________ in the mantle or inside a volcano, but turns to _______________ when it is outside the volcano.
What is MAGMA and LAVA?
500
The process that turns a rock into magma.
What is MELTING?
500
Name that mineral:
It dissolves in both water and acid, contains sodium (salt), and is a clear mineral, but can be reddish brown with impurities.