Assertion: tourmaline's color | /r/AtLocation | single tourmaline crystal
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Often two or more colors are found in a single tourmaline crystal making a Green Tourmaline is regarded as one of the classic tourmaline colors.
text: Often two or more colors are found in a single tourmaline crystal making a bi-color tourmaline .
text: Sometimes two or more colors are found in a single tourmaline crystal.
text: Often two or more colors are found in a single tourmaline crystal making a bi-color tourmaline.
text: Often two or more colors are found in a single tourmaline crystal making a bi-color tourmaline.
text: Often two or more colors are found in a single tourmaline crystal making a bi-color tourmaline.