Answer:
Mafic minerals contain more dark-colored, high-density minerals.
Step-by-step explanation:
Mefic and felsic minerals represent two kinds of minerals or lava.
For example, mefic lava is more viscous than felsic lava.
The other difference is that word mafic is related to presence of Magnesium and iron minerals more while in felsic (Feldspar) silica content is more.
Mefic minerals are associated with dark color while felsic are lighter in color.