Assertion: tourmaline's source | /r/HasProperty | africa
Facets:
Source sentences:
text: Our source for fine Indicolite Tourmaline is Sri Lanka (formerly Ceylon), Brazil, and Africa, all known for producing the finest varieties of Tourmaline.
text: Our source for Tourmaline is Sri Lanka (formerly Ceylon), Africa, and Brazil, all known for producing the finest variety of Tourmaline.