TY  - BOOK
AU  - Borner,Rudolf
AU  - Mykura,W.
TI  - Minerals, rocks, and gemstones
U1  - 549 
PY  - 1962///
CY  - Edinburgh
PB  - Oliver and boyd
KW  - Minerals
KW  - Classification
KW  - Rocks
KW  - Identification
KW  - Precious stones
N1  - Translation of: Welcher Stein ist das; English edition; Includes bibliographical references and index
ER  -