Assertion: tourmaline's prism | /r/CapableOf | give sphericaltriangle
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: A triangular prism, with three faces, prominent, which with the tendency of the prism faces to be vertically striated and to round into each other gives the crystals usually a cross section like a sphericaltriangle.
text: A triangular prism, with three faces, prominent, which with the tendency of the prism faces to be vertically striated and to round into each other gives the crystals usually a cross section like a sphericaltriangle.