Augite from Hajnáčka sapphire occurrence, Hajnáčka, Rimavská Sobota District, Banská Bystrica Region, Slovakia
Slovakia | |
| [var. Titanium-bearing Augite] Koděra, M. (1986) Topografická mineralógia Slovenska. Veda, Bratislava. |
Uher P., Gregáňová G., Szakall S., 2006: Sapphire-bearingh syenite xenolith from Gortva, Cérová Mountains, Slovakia. Acta Miner.-Petrograph.,Abstract Series 5, Szeged, p.124 |