TY  - BOOK
AU  - Phillips,William Revell
AU  - Griffen,Dana T.
TI  - Optical mineralogy: the nonopaque minerals
T2  - A Series of books in geology
U1  - 549 
PY  - 1981///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Optical mineralogy
ER  -