Chlorite Group Minerals

Jun 30th, 2015
Studypool Tutor
Price: $10 USD

Tutor description

1. monoclinic (Fe-rich -; Mg-rich +) 2. Relief - low 3. Colour - colourless - pale green - green 4. RI - 1.57-1.69 5. Birefringence - 0.00-0.02 6. Interference colours - 1st order, frequently anomalous

Word Count: 128
Showing Page: 1/4
Chlorite Group Mineralsmonoclinic (Fe-rich -; Mg-rich +)Relief - lowColour - colourless - pale green - greenRI - 1.57-1.69Birefringence - 0.00-0.02Interference colours - 1st order, frequently anomalousbright green, strongly coloured chlorite, here as an alteration of garnet is a blueschist (with sphene, glaucophane and epidote)PPLSkyros, GreeceTopotactic alteration of biotite to chlorite.PPLThe grain above. Anomalous 'Berlin blue' interference colours indicate an iron-rich chlorite.XPLRadiating crystals of chlorite, showing some colour zoning.PPLThe crystals above under crossed polars, showing anomalous blue and violet interference colours.PPLBiotite altering to chlorite, with a subhedral crystal of sphene (centre)PPLThe field of view above under crossed polars. The anomalous brown colours of the chlorite indicate a magnesium-rich variety.PPL

Review from student

Studypool Student
" Thanks for the help. "
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1820 tutors are online

Brown University





1271 Tutors

California Institute of Technology




2131 Tutors

Carnegie Mellon University




982 Tutors

Columbia University





1256 Tutors

Dartmouth University





2113 Tutors

Emory University





2279 Tutors

Harvard University





599 Tutors

Massachusetts Institute of Technology



2319 Tutors

New York University





1645 Tutors

Notre Dam University





1911 Tutors

Oklahoma University





2122 Tutors

Pennsylvania State University





932 Tutors

Princeton University





1211 Tutors

Stanford University





983 Tutors

University of California





1282 Tutors

Oxford University





123 Tutors

Yale University





2325 Tutors