TY  - BOOK
AU  - Prinz,Martin
TI  - Rocks and Minerals : : Simon & Schuster's Guide to Rocks and Minerals 
T2  - Nature guide series
SN  - 0671244175
PY  - 1990///
CY  - New York : 
PB  - Simon and Schuster Inc., 
KW  - Mineralogy.
KW  - Special study of minerals
ER  -