Assertion: apatite's color | /r/CapableOf | reflect its ferrous/ferric ratio
Facets:
Source sentences:
text: These results agree with the color of the host biotite where apatites with the lowest Eu anomalies resides in reddish brown biotites, while grains with the high ratio are enclosed in greenish brown biotites where the biotite’s color is thought to reflect its ferrous/ferric ratio (cf.