Assertion: citrine | /r/AtLocation | color
Facets:
value: depending on the amount of iron
type: OTHER
Source sentences:
text: This form of quartz owes its color to the addition of ferric iron to the mixture it forms from, and depending on the amount of iron available, citrine can be found in colors ranging from pale yellow, to rich golden-orange, all the way to the deep dark orange color called “Madeira” citrine.