Anorthite from Oregon, USA

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USA
Oregon Harney County ⓘ Harney Mining District	Cran Cowan
ⓘ Pana Mine	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.)
ⓘ Ponderosa Sunstones Mine (Pinkie Nos. 1-4 Claims)	Christopher L. Johnston, Mickey E. Gunter, and Charles R. Knowles (1991) Sunstone Labradorite from the Ponderosa Mine, Oregon. Gems And Gemology Winter 220-233
ⓘ Sunstone Butte Mine	www.gia.edu (2013) https://www.gia.edu/gia-news-research-butte-sunstone ‘David Carter’ Ex-collection
ⓘ White Horse Ranch	Christopher L. Johnston, Mickey E. Gunter, and Charles R. Knowles (1991) Sunstone Labradorite from the Ponderosa Mine, Oregon. Gems And Gemology Winter 220-233
Josephine County Winona Mining District ⓘ Lambtongue Mine (Baby Mine)	Oregon Metal Mines Handbook, 1952, Oregon Department of Geology and Mineral Industries: Bulletin No. 14-C, Vol. 2, Section 1 - Josephine Co., 2nd Edition, page 84.
Klamath County ⓘ Summit Rock	Howard, D. G. (2008): [Title]. International Micromounters Journal, 15 (3 & 4), 3-6.
Lake County Plush ⓘ Dust Devil Mine	Christopher L. Johnston, Mickey E. Gunter, and Charles R. Knowles (1991) Sunstone Labradorite from the Ponderosa Mine, Oregon. Gems And Gemology Winter 220-233
ⓘ Oregon Sunstone public collection area	O'Neal, C. (2013), Field collection and visual analysis of the Oregon Sunstone deposits near Plush, Lake County, Oregon March.
ⓘ Spectrum Mine	O'Neal, C. (2013), Field collection and visual analysis of the Oregon Sunstone deposits near Plush, Lake County, Oregon March.