Organic substances contain large amounts of

An inorganic solid substance that occurs naturally and has a definite chemical composition and structure.

Which of the following is NOT used to help identify an unknown mineral?

A color of a mineral in its powder form

A minerals ability to reflect light.

Which of the following tools would NOT be useful in identifying an unknown mineral?

The hardness of a mineral is measured on the _____ scale.

On the Mohs scale of hardness, talc is 1, apatite is 5, quartz is 7, corundum is 9, and diamond is 10. Which statement is true?

Chalcanthite and Linarite (minerals) have the same streak color, same streak color, same hardness, but different densities. What would be the most useful for identifying chalcanthite from linarite?

A naturally occurring solid material that is made up of one or more minerals

Which of the following is NOT one of the 3 main groups of rock?

Melted rock located below the Earth's surface.

Broken pieces of rock, pebbles, clay, dirt and sand

Rock formed from being buried deep in the Earth where there is extreme heat and pressure.

Type of rock formed from compaction and cementation.

Type of rock formed from melted magma that has cooled

When rocks are broken down from weathering and erosion, they form

In an illustration of a volcano near an ocean, this type of rock is formed from the lava.

In an illustration of a volcano by an ocean, this top of rock forms near the surface.

The thinnest layer of Earth is the

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