| Locality type: | Peak |
| Classification |
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| Species: | Fluoro-richterite |
| Formula: | {Na}{CaNa}{Mg5}(Si8O22)(F,OH)2 |
| Chemical Analyses: |
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| Oxide wt%: | | 1 |
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| SiO2 | 56.32 % |
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| Al2O3 | 0.29 % |
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| TiO2 | 1.1 % |
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| Fe2O3 | 0 % |
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| FeO | 4.99 % |
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| MnO | 0.12 % |
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| MgO | 20.26 % |
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| CaO | 5.98 % |
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| Na2O | 6.10 % |
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| K2O | 1.87 % |
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| Li2O | 0.02 % |
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| F | 2.62 % |
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| H2O | 0.79 % |
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| O=F | -1.19 % |
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| Total: | 99.27 % |
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| Empirical formulas: | | 1 | (Na0,575K0,337)?0,912 (Na1,095Ca0,905)?2 (Li0.011Mg4,266Feii0,589Ti0,117FeIII0Al0,002Mnii0,0,14)?5 (Si7,954Al0,046)?8 O22 (F1,260(OH)0,744O)?2 |
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| Sample references: | |
| Comments: |
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| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Fluoro-richterite data |
| Locality Data: | Click here to view Coyote Peak, Coastal Range, Humboldt County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 226405 |
| Long-form Identifier: | 1:3:226405:9 |
| GUID (UUID V4): | 45c1dbca-a7aa-410a-8c68-197b3b2fd2cb |
| References |
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| Reference Search (possible matching items) |
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 | Oberti, Roberta, Boiocchi, Massimo, Hawthorne, Frank C., Della Ventura, Giancarlo, Färber, Gunnar (2019) Potassic-jeanlouisite from Leucite Hill, Wyoming, USA, ideally K(NaCa)(Mg4Ti)Si8O22O2: the first species of oxo amphibole in the sodium–calcium subgroup. Mineralogical Magazine, 83 (4) 587-593 doi:10.1180/mgm.2019.38 | Journal (article/letter/editorial) | | Potassic-jeanlouisite from Leucite Hill (Wyoming, USA), ideally K(NaCa)(Mg4Ti)Si8O22O2: the first species...sodium-calcium group, and derives from potassic richterite via the coupled exchange CMg-1 WOH--2 CTi4+1...gravel quarry on Zirkle Mesa (Leucite Hills, Wyoming, USA). It occurs as pale yellow to colourless acicular...crystal-structure refinement; Leucite Hills; Wyoming; USA. 2 Oberti et al. Potassic-jeanlouisite Introduction...sodium-calcium subgroup and in particular to the richterite composition. As CTi is higher than 0.5 apfu, |  | | Journal (article/letter/editorial) | | calculation from wt% to apfu is made more complex by the range 45 of the A cations from complete occupancy to...Cl-, O2-. This variability results in a potential range 47 from 15 to 16 non-H cations, and from 46 to...amphiboles and WO-dominant amphiboles. The hydroxy- 80 fluoro-chloro-amphiboles are formally divided into eight...that [4]Ti is only expected in certain 319 richterite-rich amphiboles (Oberti et al., 1992); authors...any calculated proportion of H2O+) is outside the range 98 to 102 weight percent; 387 x the totals for |  | | Book (volume) | | 01225 442836) Distributors USA AAPG Bookstore PO Box 979 Tulsa OK 74101-0979 USA (Orders: Tel. (918) 584-2555...Joesmithite Sodic-calcic Amphiboles Richterite—Ferro-richterite Barroisite—Ferro-barroisite Winchite—Ferro-winchite...analyses representative, wherever possible, of the range of chemical and paragenetic variation. From most...three new minerals from the Laytonville Quarry, California were named by S. O. Agrell after the three co-authors...The M4 sites however can be octupied by a wider range of cations and their sizes determine the way in |  | | Book | | data from his subsequent research. Dr. Peter Tice (USA) provided a copy of his M.Sc. and Ph.D. theses. Dr...discussion on MSH rock types with LH. Dr. Dave Richerson (USA) provided details of the collecting history of donnayite...specimens from its collection. Dr. Modris Baum (USA) generously provided specimens for research and photographs...Baum (USA), the late Henry Budgen (Canada), Gianfranco Ciccolini (Italy), the late Rock Currier (USA), Robert...Hawthorne (Canada), the late William Henderson (USA), Laszlo Horvath (Canada), Ole Johnsen and Dorrit |
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