Røyås quarry, Tvedalen, Larvik, Vestfold, Norway

Larvikite quarry.
Ref:
- Larsen, A. O & Raade, G.(1997): Pyroksener fra Oslofeltets syenittpegmatitter. Bergverksmuseets Skrift 12,16-17 [with an analysis on an aegirine from Røyås]
- Nordrum, F.S. (2001): Noen funn av mineraler i Norge 2000-2001. STEIN 28 (2): 13- 19

Mineral List:

	Aegirine

	Astrophyllite

	Böhmite

	Fluorite

	'Heulandite'

	~~Homilite~~

	Leucophanite

	Molybdenite

	Nepheline

	Sphalerite

	Zircon

11 entries listed. 9 valid minerals. 1 erroneous literature entry.

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