Science Fair Project Encyclopedia
Streak
In any mineral, its streak refers to the color of its powder.
Many minerals may vary in colour, for example, quartz, but their streak normally remains the same color. For quartz, this would be white. Likewise, minerals that look alike, like chromite and magnetite which are both greyish black, can be told apart by their streak. Chromite has a brown streak while magnetite has a black streak.
The Streak is also a moth of the family Geometridae.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details