1. Education

Goethite and Hematite Streaks

Identifying Minerals by Streak

Goethite (top) has a yellow-brown streak whereas hematite (bottom) has a reddish-brown streak. When these minerals occur in black specimens, streak is the best way to tell them apart.
Streak is often definitive
Photo (c) 2011 Andrew Alden, licensed to About.com (fair-use policy)

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