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.