Assertion: chrysoprase | /r/MadeOf | nickel
Facets:
value: as its green coloring element
type: MANNER
Source sentences:
text: Chrysoprase is the most valued variety of the mineral chalcedony (microcrystalline quartz) that contains nickel, giving it an apple-green color.
text: Chrysoprase is the most valued variety of the mineral chalcedony (microcrystalline quartz) that contains nickel, giving it an apple-green color.
text: Chrysoprase is the most valuable form of chalcedony in the group, containing nickel as its green coloring element, and its color is sensitive to heat and sunlight that causes fading,