Minerals & Gemstone 480x104
Minerals & Gemstone 480x104
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Glossary of Terms
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ALL



Streak
The color of the powder of a mineral. A mineral's streak is tested by rubbing it against a hard, white, porcelain object (streak plate), and the "streak" that remains on the swiped area is the color of the streak of the mineral.

(See Streak in Mineral Properties for more information.)




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