Borner, Rudolf <br/><br/>
Minerals, rocks, and gemstones. 

 - Edinburgh :  Oliver and Boyd,  1962. 
 - 250 p. :  il. ;  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogía<br/>Gema<br/>Minerales<br/>Roca
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>549.091:552