Question

Which portion of the spherical projection does a mineralogist use for crystallographic analysis?

• A. bottom half
• B. top half
• C. both top and bottom individually
• D. whole spherical projection at a time

Hint:

For crystallographic and structural plots, only upper hemisphere (top half) is used in projections.

Answer 1

The Correct Option is B

Mineralogists generally use the top half of a stereographic or spherical projection in crystallographic and structural analysis. This is conventionally done to simplify orientation measurements and plotting.