Assertion: biotite | /r/HasProperty | pleochroic
Facets:
value: from yellow
type: OTHER
value: strongly
type: DEGREE
value: in shades of brown or green
type: OTHER
Source sentences:
text: Biotite is strongly pleochroic in shades of brown or green, fuchsite in shades of green, lepidolite pale violet or green, muscoviteis colorless,
text: Biotite is strongly pleochroic in shades of brown or green, fuchsite in shades of green, lepidolite pale violet or green, muscoviteis colorless, zinnwaldite in pale yellow and brown to reddish-brown Mica Hardness: 2.0 -4.0, hardness is greater perpendicular to the cleavage (Biotite 2..5-3.0, Lepidolite 2.5-4.0, muscovite 2.0-2.5, zinnwaldite 3.0)
text: Biotite is pleochroic from yellow to dark brown.
text: Biotite is pleochroic from yellow to reddish-brown.
text: Biotite is pleochroic from yellow to dark brown, and hornblende is pleochroic from yellow green to blue green.