Mineralogy Database
Search |
About the mineralogy database |
Contact
14 samples matching your criteria
-
Sample n°18536 : thick layered crust, grading to amethystMinerals: QUARTZYear:Country: Rwanda
-
Sample n°12493.33 : prismatic crystalMinerals: COLUMBITEYear: 1970Country: Rwanda
-
Sample n°18762 : rounded fragmentsMinerals: BISMUTHINITEYear:Country: Rwanda
-
Sample n°18763 : crystal fragmentMinerals: COLUMBITE TANTALITEYear: 2019Country: Rwanda