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Oxford Serpentine Quarry (Collins prospect), Oxford, Llano Co., Texas, USA
Detailed Mineral List:
| 'Albrittonite' | ||
| Formula: | CoCl2 · 6H2O | |
| Reference: | American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982 | |
| Annabergite ? | ||
| Formula: | Ni3(AsO4)2 · 8H2O | |
| Reference: | R&M 66:3 pp 196-224; American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982 | |
| Anthophyllite | ||
| Formula: | ☐{Mg2}{Mg5}(Si8O22)(OH)2 | |
| Reference: | R&M 66:3 pp 196-224 | |
| 'Chlorite Group' | ||
| Reference: | R&M 66:3 pp 196-224 | |
| Chromite | ||
| Formula: | Fe(Cr,Al,Fe)2O4 | |
| Reference: | R&M 66:3 pp 196-224 | |
| Cobaltite ? | ||
| Formula: | CoAsS | |
| Reference: | R&M 66:3 pp 196-224; American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982 | |
| Erythrite ? | ||
| Formula: | Co3(AsO4)2 · 8H2O | |
| Reference: | R&M 66:3 pp 196-224; American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982 | |
| Linnaeite ? | ||
| Formula: | Co2+Co3+2S4 | |
| Reference: | American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982 | |
| Magnetite | ||
| Formula: | Fe2+Fe3+2O4 | |
| Reference: | R&M 66:3 pp 196-224 | |
| Nickelbischofite ? | ||
| Formula: | NiCl2 · 6H2O | |
| Reference: | R&M 66:3 pp 196-224; American Mineralogist, Volume 67, pages 156-169, 1982 | |
| Nickeline ? | ||
| Formula: | NiAs | |
| Reference: | American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982 | |
| Quartz | ||
| Formula: | SiO2 | |
| Reference: | R&M 66:3 pp 196-224 | |
| 'Serpentine Group' | ||
| Formula: | D2[Si2O5](OH)4 + or - nH2O | |
| Reference: | American Mineralogist, Volume 67, pages 156-169, 1982 | |
| Siegenite ? | ||
| Formula: | CoNi2S4 -NiCo2S4 | |
| Reference: | R&M 66:3 pp 196-224; American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982 | |
| Talc | ||
| Formula: | Mg3(Si4O10)(OH)2 | |
| Reference: | R&M 66:3 pp 196-224 | |
| Zaratite ? | ||
| Formula: | Ni3(CO3)(OH)4 · 4H2O | |
| Reference: | American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982 | |
16 entries listed. 12 valid minerals.
References
Crook, W.W., III & Marcotty, L.-A. (1978) Albrittonite, a new cobalt chloride hydrate from Oxford, Llano County, Texas; American Mineralogist: 63: 410-412.
Peacor et al. (1982), New data on and discreditation of "texasite," "albrittonite," "cuproartiniter", "cuprohydromagnesite," and "yttromicrolite," with corrected data on nickelbischofite, rowlandite, and yttrocrasite; American Mineralogist: 67: 156-169.
Peacor et al. (1982), New data on and discreditation of "texasite," "albrittonite," "cuproartiniter", "cuprohydromagnesite," and "yttromicrolite," with corrected data on nickelbischofite, rowlandite, and yttrocrasite; American Mineralogist: 67: 156-169.
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New Locality Added: Magura-Hondol, Hunedoara Co., RomaniaFrom David Von Bargen, 25th May 2013 18:42:02