Quartz from selected localities.
Poland | |
| Lis, J., Sylwestrzak, H. (1986) Minerały Dolnego Śląska [Minerals of the Lower Silesia]. Wydawnictwa Geologiczne, Warszawa, 791 pages [in Polish]. |
| Kühn B., Zimmermann E. (1918) Erläuterungen zur geologische Karte von Preussen und benachbarten Deutschen Ländern. Blatt Gröditzberg. Lieferung 202. Königlich-Preussische Geologische Landesanstalt, Berlin. (in German) |
| Nonna BAKUN-CZUBAROW, Anna BIAŁOWOLSKA INTERNAL BLEBS WITHIN MANTLE PERIDOTITE ENCLAVES FROM LOWER SILESIAN BASALTOIDS – PRELIMINARY RESULTS POLSKIE TOWARZYSTWO MINERALOGICZNE – PRACE SPECJALNE MINERALOGICAL SOCIETY OF POLAND – SPECIAL PAPERS Zeszyt 26, 2005; Volume 26, 2005 |
| [Chalcedony var: Agate] Observed in field during 1 Mindat.org conference, Fieldtrip 13.07.2011 | |
| [Chalcedony var: Agate] Found by students University of Wroclaw per Dagmara Lesiow. | |
| [Chalcedony] |
| |
| Krzysztof Andrzejewski Collection |
Railway cut, Nowy Kościół, Gmina Świerzawa, Złotoryja County, Lower Silesian Voivodeship, Poland