Mineralogy Database
Search | 
About the mineralogy database | 
Contact 
  
  1 samples matching your criteria
- 
        Sample n°13945 : quartz with earthy black ferberite masses, altered to yellow tungstite and white anthoinite, blocks of 8-15 cmMinerals: ANTHOINITE FERBERITE TUNGSTITE QUARTZYear: 1982Country: Rwanda