Assertion: dolomite's impurity | /r/HasProperty | feldspar
Facets:
Source sentences:
text: Impurities, which tend to inhibit or slow down karstification, include chert, flint, authigenic (formed in place) quartz and feldspar, and clay minerals.
text: Impurities, which tend to inhibit or slow down karstification, include chert, flint, authigenic (formed in place) quartz and feldspar, and clay minerals.