Assertion: calcite's crystal | /r/HasProperty | transparent
Facets:
value: usually
type: DEGREE
value: often
type: TEMPORAL
Source sentences:
text: The crystals at Iona are colorless, white or brown and are often translucent or transparent.
text: Although massive sodalite samples are opaque, crystals are usually transparent to translucent.
text: The funny thing is, pure fluorite crystals are transparent.
text: Calcite crystals also come in many different colors, but usually are white or transparent.