Assertion: cassiterite | /r/HasProperty | the most abundant ore mineral
Facets:
Source sentences:
text: Cassiterite is the most abundant ore mineral, while Nb–
text: Sphalerite, chalcopyrite, arsenopyrite and cassiterite are the most abundant ore minerals; a wide variety of other minerals occur in minor to trace amounts including löllingite, native bismuth, bismuthinite, wolframite, molybdenite, tennantite, stannite, kësterite, ferrokësterite, stannoidite, pyrite, galena, bornite, wittichenite and roquesite.