Quartz from selected localities.
Hungary | |
| http://www.geomania.hu/lelohely.php?lelohely=323 |
| |
Acta Min. Petr.: SbO minerals of Hungary, 2000 | |
http://gportal.hu/portal/domineral | |
| |
[var: Smoky Quartz] GEODA/2005 | |
| Koch. Minerals of Hungary, 1985 |
| Koch: Minerals of Hungary, 1985 |
Mineral Species of Hungary, 2005 | |
[var: Chalcedony] |
Szent Imre Mine, Mátraszentimre, Gyöngyös District, Heves County, Hungary