Minerals

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The internal ordering of mineral crystals can be detected using ________.

X-ray diffraction

Minerals are all naturally occurring sold substance with a definable chemical composition. They MUST also possess ________.

a fixed crystalline structure (spatial arrangement of atoms and ions)

The color of the mineral in powered form is termed __________.

streak

Which of the following common mineral is softest?

talc

Synthetically made glass and natural quartz crystals both exhibit a fracture pattern termed ________

Glassy fracture

Which of the following is NOT a mineral?

Petroleum

_________ is a mineral property defined by the density of the mineral sample divided by the density of water (1.0 g/cm3)

Specific gravity

With regard to minerals, hardness refers to the ability to resist ___________

being scratched

When two different minerals have the same chemical formula but different crystal structures, they are said to be ___________.

polymorphs

When a solution becomes oversaturated, new solid particles are said to ________.

precipitate from the solution


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