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Color is the observable color of a mineral specimen in natural light. Streak is the color of a mineral when powdered. The color of a specific mineral specimen may be different than its streak color. Because many impurities can alter the color of a mineral, but not the streak, streak is a more accurate predictor in mineral identification.
Different varieties of mica will appear in different colors. The two most common varieties are muscovite, which is light in color, and biotite, which appears dark brown or black.
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they are different because of the color
Because many different minerals may look the same, Like quartz and diamond, they are the same color, clear, but are very different minerals.
Streak
a dusty white
It's referred to as the streak, the color of which is used as an identifying characteristic of minerals.
Several minerals may be the same color. Additionally, impurities can make it so that one mineral can come in a variety of colors.
The streak of a moonstone is white, that is if you are using the scientific term 'the color of a mineral in its powered form'.
Color is the observable color of a mineral specimen in natural light. Streak is the color of a mineral when powdered. The color of a specific mineral specimen may be different than its streak color. Because many impurities can alter the color of a mineral, but not the streak, streak is a more accurate predictor in mineral identification.
Different varieties of mica will appear in different colors. The two most common varieties are muscovite, which is light in color, and biotite, which appears dark brown or black.
The same mineral can come in a variety of colors and different minerals can be the same color.
Different minerals have different colors, actually.
The 'streak', or powdered mineral, will not always match the specimen's observed color.
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