TY  - BOOK
AU  - FRONDEL, CLINFFORD
TI  - THE SYSTEM OF MINERALOGY: SILICA MINERALS
T2  - 0
U1  - 549 
PY  - 1962///
CY  - NEW YORK-U.S.A.
PB  - JOHN WILEY AND SONS
KW  - CIENCIAS PURAS
N1  - QUARTZ-TRIDYMITE/OPAL-CRISTABALITE
ER  -