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Rocks and Minerals

Teacher: Olivia Merwine
Across
A solid in which the atoms are arranged in a pattern that repeats itself over and over.
A substance composed of a single kind of atom.
Rock that was once one form but has changed to another under the influence of pressure, heat, or some other agent without passing through a liquid phase.
A mixture in which one substance is dissolved in another.
Types of rock formed by the deposition of material at the Earth`s surface and within bodies of water.
Rocks that form by precipitation of minerals from water.
Rock that contains a metal or economically useful mineral.
Rocks that form from the accumulation and lithification of organic debris, such as leaves, roots, and other plant or animal material.
Not formed from living things or the remains of living things.
A narrow slab of a mineral that is sharply different from the surrounding rock.
The process by which ore is melted to seperate the useful metal from other elements.
Down
Rocks that are made up of pieces of pre-existing rocks.
A substance in which two or more elements are chemically joined.
A solid mixture of two or more metals.
Rocks that is formed through the cooling and solidification or heated magma or lava.
A solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil or oceans.
A hard, colorful mineral that has a brilliant or glassy luster.
A sedimentary rock consisting of sand or quartz grains cemented together, typically red, yellow, or brown in color.
A very hard, granular, cryastalline, igneous rock consisting mainly of mica, quartz, and feldspar and often used as a building stone.
A naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition.