Assertion: andradite | /r/HasProperty | a calcium-iron garnet
Facets:
Source sentences:
text: Andradite is a calcium-iron garnet, Ca 3 Fe 2 (SiO 4 ) 3 , is of variable composition and may be red, yellow, brown, green or black.
text: Gemological study has established that Mali garnets have a composition somewhere between grossular (calcium aluminum silicate) and andradite (calcium iron silicate).
text: One of the rarest of all the garnet varieties is andradite, the calcium iron garnet.
text: Grossularite can often be confused with demantoid garnet, but demantoid is a variety of andradite, a calcium-iron garnet; grossularite is a calcium-aluminum garnet.
text: Uvarovite is composed of calcium chromium silicate, and is thus distinguished from both grossularite (calcium aluminum silicate) and andradite (calcium iron silicate).