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When limestone is heated and squeezed it forms:
All of the above
obsidian.
Metamorphic
Cleavage
marble
how they are formed.
Use it to scratch other solid materials of known hardness.
Large crystals
Which of the following characteristics is most TRUE of igneous rocks cooled slowly, deep underground?
All of the above
obsidian.
Metamorphic
Cleavage
marble
how they are formed.
Use it to scratch other solid materials of known hardness.
Large crystals
Classifying rocks as igneous, sedimentary, or metamorphic is based on differences in:
All of the above
obsidian.
Metamorphic
Cleavage
marble
how they are formed.
Use it to scratch other solid materials of known hardness.
Large crystals
Which of the following minerals is LESS hard than diamond?
All of the above
obsidian.
Metamorphic
Cleavage
marble
how they are formed.
Use it to scratch other solid materials of known hardness.
Large crystals
How can you use the hardness of a rock to help identify what type of mineral it is?
All of the above
obsidian.
Metamorphic
Cleavage
marble
how they are formed.
Use it to scratch other solid materials of known hardness.
Large crystals
Which term is not part of the commonly accepted definition of a mineral?
All of the above
obsidian.
Metamorphic
Cleavage
marble
how they are formed.
Use it to scratch other solid materials of known hardness.
Large crystals
A student broke a mineral sample with the tap of a hammer. It broke along flat surfaces. Which property was the student investigating?
All of the above
obsidian.
Metamorphic
Cleavage
marble
how they are formed.
Use it to scratch other solid materials of known hardness.
Large crystals
A glassy igneous rock that cools quickly, preventing crystals from forming is:
All of the above
obsidian.
Metamorphic
Cleavage
marble
how they are formed.
Use it to scratch other solid materials of known hardness.
Large crystals
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