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Earth Processes

Physical Properties of Minerals

TermDefinition
luster A qualitative measure of how light is reflected off the mineral. Classified as metallic or non metallic. (observation)
hardness A quantitative measure of the resistance of the mineral to scratching. Classified by the Moh's scale or field scale of 1-10.
streak The color (qualitative measure) of a mineral's powder. Classified by individual color. Determined by rubbing the mineral against unglazed tile.
density The quantitative measure of mass per unit volume. Classified as g/ml or grams per milliliter. It is the most reliable of the properties.
color The color of the mineral. Classified by the description of the color. Determined by observation. It is the least reliable because color is subjective.
Created by: ScienceRMS6
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