Assertion: antimony | /r/HasProperty | silver-white brittle solid
Facets:
Source sentences:
text: Antimony (Sb) is a silver-white brittle solid or a dark-gray, lustrous powder.
text: Antimony is a silvery-white brittle solid found in the earth's crust, estimates of the amount of antimony in the crust are between 0.2 and 0.5 ppm.