Assertion: agate's color | /r/HasProperty | due
Facets:
value: to iron oxide
type: CAUSE
value: to ferric iron
type: CAUSE
value: to fibrous inclusions of a mineral
type: CAUSE
value: to iron(iii) inclusions
type: CAUSE
value: to the element chromium
type: CAUSE
Source sentences:
text: Recent X-ray diffraction studies suggest that the color is due to thin microscopic fibers of possibly dumortierite within the quartz.
text: The intense blue color is due to the presence of the trisulfur radical anion (S
text: The color of a ruby is due to the element chromium.
text: The common red color is due to iron(III) inclusions.
text: The name is from the old French citrin meaning yellow , and the color is due to ferric iron.
text: The name is from the old French meaning , and the color is due to ferric iron.
text: The color of rose quartz is due to fibrous inclusions of a mineral similar to dumortierite.
text: The color of rose quartz is due to fibrous inclusions of a mineral similar to dumortierite.
text: The color is due to iron oxide.
text: The color is due to iron oxide.