(Luumäki Beryllilouhos)
Gem mining, strongly etched prismatic crystals of yellow, green, and pale blue gem beryl. Also known for a 100 kg smoky quartz crystal.
Refs.:
- http://www.kareliaberyl.fi/
- Lyckberg, P. (2004): Ein Neufund phantastischer grüner Edelberylle aus Luumäki, Karelien, Finnland. Mineralien Welt 15 (6), 38-45
- Lyckberg, P. (2006): Miarolitic pegmatites of the Viborg rapakivi granite massif, SE Finland with special attention to the green gem beryl producing Karelia Beryl Mine pegmatite at Luumäki, Karelia. Bergverksmuseets Skrift 33, 87-107