Why is streak more reliable for rock identification


Problem: Earth and Life Science

A. Summarize the different characteristics that define a mineral

B. Which of the following mineral groups, if any, contain silicon: halides, carbonates or sulfides

C. Which is more abundant in the Earth's crust: Silicates or all the other mineral groups combined? Explain

D. An unknown opaque mineral has a black streak and has a density of 18g/cm3. Is the mineral metallic or non metallic?

E. How does streak differ from color, and why is it more reliable for rock identification?

F. Differentiate between habit and cleavage plane.

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Science: Why is streak more reliable for rock identification
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