Transparency

(syn. diaphaneity) possibility of light entering and exiting the surface of the substance in relatively undisturbed fashion

Opaque minerals are always black in 1P and PX

All minerals included in this course are transparent therefore this property isn't take into consideration.

opaque mineral (1P)
Opaque mineral (1P)
opaque mineral (PX)
Opaque mineral (PX)

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