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the color of a mineral in powdered form
the color of a mineral in powdered form
Streak
how the mineral “shines”
how the mineral “shines”
Luster
the resistance of a mineral from being scratched.
the resistance of a mineral from being scratched.
Hardness
the site where a mineral can be cut to form flat surfaces
the site where a mineral can be cut to form flat surfaces
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formed from magma (molten rock).
formed from magma (molten rock).
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formed from weathering, erosion, and deposition of smaller rock materials called sediments.
formed from weathering, erosion, and deposition of smaller rock materials called sediments.
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rock formed due to intense pressure and heating.
rock formed due to intense pressure and heating.
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Naturally-occurring, Has a definite chemical composition, Has a highly ordered atomic structure
Naturally-occurring, Has a definite chemical composition, Has a highly ordered atomic structure
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aggregate of one or more minerals
aggregate of one or more minerals
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Ratio of mineral density to water density
Ratio of mineral density to water density
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Study Notes
Mineral Characteristics
- Streak: The color of a mineral in powdered form, useful for identification.
- Luster: Refers to how a mineral shines; can be categorized as metallic or non-metallic.
- Hardness: Resistance of a mineral to scratching, measured by the Mohs scale.
Mineral Formation
- Igneous Rocks: Formed from magma (molten rock) cooling and solidifying.
- Sedimentary Rocks: Created from weathering, erosion, and deposition of sediments, which can be from other rocks.
- Metamorphic Rocks: Formed under intense pressure and heat, resulting in physical and chemical changes.
Mineral Properties
- Definition: Naturally occurring substances with a definite chemical composition and a highly ordered atomic structure.
- Rock: An aggregate of one or more minerals, categorized based on formation processes.
- Specific Gravity: The ratio of a mineral's density to the density of water, aiding in mineral identification.
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Description
Test your knowledge on the color of minerals in powdered form, also known as streak. This quiz will evaluate your understanding of how to identify minerals based on their streak color and its significance in mineralogy.
