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Tal y Fan, Northern Snowdonia, Conwy (Gwynedd; Caernarvonshire), Wales, UK
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | ||
|---|---|---|
| Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | ||
| Actinolite | 9.DE.10 | ☐{Ca2}{(Mg,Fe2+)5}(Si8O22)(OH)2 |
| Albite | 9.FA.35 | NaAlSi3O8 |
| Epidote | 9.BG.05a | {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) |
| Ferrohornblende | 9.DE.10 | ☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2 |
| Kaersutite | 9.DE.15 | {Na}{Ca2}{Mg4Ti}(Al2Si6O22)(OH)O |
| Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| Prehnite | 9.DP.20 | Ca2Al2Si3O12(OH) |
| Stilpnomelane | 9.EG.40 | (K,Ca,Na)(Fe2+,Mg,Al,Fe3+)8(Si,Al)12(O,OH)36 · nH2O |
| Titanite | 9.AG.15 | CaTi(SiO4)O |
| Tschermakite | 9.DE.10 | ☐{Ca2}{Mg3Fe3+Al}(Al2Si6O22)(OH)2 |
| Unclassified Minerals | ||
| 'Chlorite Group' | - | |
| 'Pumpellyite' | - | |
13 entries listed. 11 valid minerals.
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