Assertion: boron | /r/AtLocation | kernite
Facets:
value: chiefly
type: DEGREE
Source sentences:
text: Instead, boron is found in compounds like borax, boric acid, kernite, ulexite, and colemanite .
text: Boron is chiefly found in evaporite minerals, such as ulexite and kernite, which are mined in the USA, Chile and Argentina, and colemanite, which is mined in Turkey and in the USA.