Amphibole Supergroup from Sabine Domain, North America Plate
USA | |
| Henry Barwood - unpublished (2010) |
Min News (2000) 16:6 pp 1-5,9 | |
| Peacor, D., Dunn, P. J. & Simmons, W. B. (1984): Eggletonite, the Na analogue of ganophyllite. Mineralogical Magazine. 48, 93-96 |
Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA