A mineral has the following properties: low hardness (can't scratch a penny), red color and streak, low specific gravity (density), nonmetallic luster, non-toxic. For what do you think this mineral might be used?
A. To add weight to an outdoor toy, so that it won't blow awayB. Used as an abrasive (the sand in sandpaper, for example) C. For electrical wiringD. As a coloring (pigment) in makeup or paint.
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