Quartz (amethyst)
Location: U.S. National Museum of Natural History, Washington, DC
Year: 2009
Merckdigitals catalogue number: 22-70151
Comments: Rio Grande do Sul, Brazil
|
|
Quartz (amethyst)Location: U.S. National Museum of Natural History, Washington, DC Year: 2009 Merckdigitals catalogue number: 22-70151 Comments: Rio Grande do Sul, Brazil |
 |
Rose quartzLocation: U.S. National Museum of Natural History, Washington, DC Year: 2009 Merckdigitals catalogue number: 22-70106 Comments: |