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Poker Hill, Ashton, Cumberland, Providence Co., Rhode Island, USA
Detailed Mineral List:
| Actinolite | ||
| Formula: | ☐{Ca2}{(Mg,Fe2+)5}(Si8O22)(OH)2 | |
| Reference: | Rocks & Minerals 61:281-284 | |
| Anatase |  | |
| Formula: | TiO2 | |
| Reference: | Rocks & Minerals 61:281-284 | |
| Photo: © 2008 Peter Cristofono. Anatase from Poker Hill, Ashton, Cumberland, Providence Co., Rhode Island, USA | ||
| Brookite |  | |
| Formula: | TiO2 | |
| Reference: | Rocks & Minerals 61:281-284 | |
| Photo: © 2010 Peter Cristofono. Brookite from Poker Hill, Ashton, Cumberland, Providence Co., Rhode Island, USA | ||
| 'Chlorite Group' |  | |
| Reference: | P. Cristofono collection | |
| Photo: © 2011 Peter Cristofono. Chlorite Group from Poker Hill, Ashton, Cumberland, Providence Co., Rhode Island, USA | ||
| Clinochlore | ||
| Formula: | (Mg,Fe2+)5Al(AlSi3O10)(OH)8 | |
| Reference: | Rocks & Minerals 61:281-284 | |
| Elbaite ? | ||
| Formula: | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) | |
| Reference: | Rocks & Minerals 61:281-284 | |
| Goethite | ||
| Formula: | α-Fe3+O(OH) | |
| Reference: | Rocks & Minerals 61:281-284 | |
| Hematite | ||
| Formula: | Fe2O3 | |
| Reference: | Rocks & Minerals 61:281-284 | |
| Ilmenite | ||
| Formula: | Fe2+TiO3 | |
| Reference: | Rocks & Minerals 61:281-284 | |
| 'K Feldspar var: Adularia' | ||
| Formula: | KAlSi3O8 | |
| Reference: | Cahoon, J. and Young, P. (1986) Minerals of Poker Hill, Cumberland, Providence County, Rhode Island. Rocks and Minerals, 61:281-284. | |
| Marcasite | ||
| Formula: | FeS2 | |
| Reference: | Rocks & Minerals 61:281-284 | |
| Monazite-(Ce) | ||
| Formula: | (Ce,La,Nd,Th)(PO4) | |
| Reference: | Rocks & Minerals 61:281-284 | |
| Muscovite | ||
| Formula: | KAl2(AlSi3O10)(OH)2 | |
| Reference: | Rocks & Minerals 61:281-284 | |
| Muscovite var: Sericite | ||
| Reference: | Cahoon, J. and Young, P. (1986) Minerals of Poker Hill, Cumberland, Providence County, Rhode Island. Rocks and Minerals, 61:281-284. | |
| Pyrite | ||
| Formula: | FeS2 | |
| Reference: | Rocks & Minerals 61:281-284 | |
| Quartz |  | |
| Formula: | SiO2 | |
| Reference: | Rocks & Minerals 61:281-284; Rocks & Minerals (1986) 61:264-275 | |
| Photo: © 2011 Peter Cristofono. Quartz from Poker Hill, Ashton, Cumberland, Providence Co., Rhode Island, USA | ||
| Rutile |  | |
| Formula: | TiO2 | |
| Reference: | Rocks & Minerals 61:281-284 | |
| Photo: © 2009 Peter Cristofono. Rutile from Poker Hill, Ashton, Cumberland, Providence Co., Rhode Island, USA | ||
| 'Tourmaline' |  | |
| Formula: | A(D3)G6(T6O18)(BO3)3X3Z | |
| Reference: | P. Cristofono collection | |
| Photo: © 2011 Peter Cristofono. Tourmaline from Poker Hill, Ashton, Cumberland, Providence Co., Rhode Island, USA | ||
18 entries listed. 14 valid minerals.
References
Cahoon, James and Young, Paul (1986). Minerals of Poker Hill, Cumberland, Providence County, Rhode Island. Rocks and Minerals, 61:281-284.
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