Assertion: chrysoberyl's use | /r/HasProperty | as gemstone
Facets:
Source sentences:
text: Its only important use is as a gemstone; however, it excels in that use because of its very high hardness and its special properties of chatoyance and color change.
text: The most important use of beryl today is as a gemstone.
text: The primary economic use of beryl today is as a gemstone.