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Q: Lustre doesn’t depend on
  • A. Refractive index mineral
  • B. Absorption of mineral
  • C. Transmittance of mineral
  • D. Nature of reflecting surface
Correct Answer: Option C - The appearance of a mineral surface in terms of its light-reflective qualities. • Lustre depends upon a minerals refractive power, diaphaneity and structure. • Non-metallic luster has different categories too and generally depends on how much height is reflected.
C. The appearance of a mineral surface in terms of its light-reflective qualities. • Lustre depends upon a minerals refractive power, diaphaneity and structure. • Non-metallic luster has different categories too and generally depends on how much height is reflected.

Explanations:

The appearance of a mineral surface in terms of its light-reflective qualities. • Lustre depends upon a minerals refractive power, diaphaneity and structure. • Non-metallic luster has different categories too and generally depends on how much height is reflected.