Assertion: salt's mineral | /r/HasProperty | gray
Facets:
value: depending on the amount
type: OTHER
Source sentences:
text: The mineral is usually colorless or white, but also may be purple, blue, pink, red, orange, yellow or gray depending on the amount and type of impurities.
text: The mineral is typically colorless or white, but may also be light blue, dark blue, purple, pink, red, orange, yellow or gray depending on inclusion of other materials, impurities, and structural or isotopic abnormalities in the crystals.