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Rocks and Minerals

Across
science that deals with the earth's physical structure and substance
scale of hardness used in classifying minerals.
Another name for intrusive igneous rocks
Narrow channel of a mineral that is much different from other rock around it.
precious stone consisting of a clear and typically colorless crystalline form of pure carbon
Rock that has changed over time
This and heat can cause a metamorphic rock to change over time
The number of types of mining
igneous rocks that form when magma reaches the Earth's surface a volcano and cools quickly
Down
Mineral that has two or more metal
A small, hollow rock lined on the inside with crystals.
Cooled or Solid Magma
Another name for extrusive rocks
Molten rock underground
How igneous rock can change form to sedimentary rock
Formed through the deposition and solidification of sediment.
igneous rocks that form when magma cools slowly below the Earth's surface
Rock that contains a metal
solid inorganic substance of natural occurrence
Hardest number on Mohs' Scale