Assertion: calcite's color | /r/HasProperty | tan
Facets:
value: usually
type: DEGREE
Source sentences:
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: Colors will usually be tan or yellow (from a blend of the clear quartz with the dark amber feldspar content of the sand).