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USA | |
| Rose, Robert L. (1959) Tertiary Volcanic Domes near Jackson, California, Special Report 60, California Division of Mines, 1959 |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 183. Andersen, Olaf (1917), Aventurine laboradorite from California: American Mineralogist: 2: 91 |
| Cran Cowan |
| Xu, H., Hill, T.R., Konishi, H., Farfan, G. (2017): Protoenstatite: A new mineral in Oregon sunstones with “watermelon” colors. American Mineralogist, 102, 2146-2149 (n.d.) |
| [var. Oregon Sunstone] sunstonebuttemine.com (2018) http://sunstonebuttemine.com/about-us/ www.gia.edu (2013) https://www.gia.edu/gia-news-research-butte-sunstone ‘David Carter’ Ex-collection |
| Christopher L. Johnston, Mickey E. Gunter, and Charles R. Knowles (1991) Sunstone Labradorite from the Ponderosa Mine, Oregon. Gems And Gemology Winter 220-233 |
| Christopher L. Johnston, Mickey E. Gunter, and Charles R. Knowles (1991) Sunstone Labradorite from the Ponderosa Mine, Oregon. Gems And Gemology Winter 220-233 |
| O'Neal, C. (2013), Field collection and visual analysis of the Oregon Sunstone deposits near Plush, Lake County, Oregon March. |
| O'Neal, C. (2013), Field collection and visual analysis of the Oregon Sunstone deposits near Plush, Lake County, Oregon March. |
Plush, Lake County, Oregon, USA