Assertion: garnet's color | /r/HasProperty | due
Facets:
value: to the element chromium
type: CAUSE
Source sentences:
text: This jewel’s rich purple color is due to the strong presence of magnesium and iron within the stone.
text: The brilliant color of demantoid garnet is due to partial replacement of the silicate by chromic oxide.
text: The color of a ruby is due to the element chromium.
text: Recent X-ray diffraction studies suggest that the color is due to thin microscopic fibers of possibly dumortierite within the quartz.