Assertion: calcite's color | /r/HasProperty | white
Facets:
value: extremely
type: DEGREE
Source sentences:
text: Color is white or none, though shades of gray, red, orange, yellow, green, blue, violet, brown, or even black can occur when the mineral is charged with impurities.
text: In a powdered form, calcite often has an extremely white color.
text: Like uncemented sand, sandstone may be any color due to impurities within the minerals, but the most common colors are tan, brown, yellow, red, grey, pink, white, and black.
text: This is the most popular method of streak testing, since the color of the streak plate is white, the color of the mineral trace is easy to see.