Assertion: α cristobalite | /r/HasProperty | observed at a content of 30 wt %
Facets:
Source sentences:
text: In the cristobalite-contained silica glass, α-cristobalite in the shape of a small sphere of about 40 μm in diameter was observed at a content of 30 wt % in the silica glass matrix.
text: In the cristobalite-contained silica glass, α-cristobalite in the shape of a small sphere of about 40 µm in diameter was observed at a content of 30 wt % in the silica glass matrix.
text: In the cristobalite-contained silica glass, α-cristobalite in the shape of a small sphere of about 40 μm in diameter was observed at a content of 30 wt % in the silica glass matrix.