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Willis Mountain Mine, Sprouses Corner, Farmville District, Buckingham Co., Virginia, USA
List of minerals arranged by Dana 8th Edition classification
| Group 1 - NATIVE ELEMENTS AND ALLOYS | ||
|---|---|---|
| Semi-metals and non-metals | ||
| Sulphur | 1.3.5.1 | S8 |
| Group 2 - SULFIDES | ||
| AmXp, with m:p = 1:1 | ||
| Sphalerite | 2.8.2.1 | ZnS |
| AmBnXp, with (m+n):p = 1:2 | ||
| Pyrite | 2.12.1.1 | FeS2 |
| Group 3 - SULFOSALTS | ||
| ΓΈ = 4 | ||
| Enargite | 3.2.1.1 | Cu3AsS4 |
| Group 4 - SIMPLE OXIDES | ||
| A2X3 | ||
| Hematite | 4.3.1.2 | Fe2O3 |
| AX2 | ||
| Rutile | 4.4.1.1 | TiO2 |
| Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL | ||
| XO(OH) | ||
| Diaspore | 6.1.1.1 | AlO(OH) |
| Miscellaneous | ||
| Lithiophorite | 6.4.1.1 | (Al,Li)MnO2(OH)2 |
| Group 7 - MULTIPLE OXIDES | ||
| AB2X4 | ||
| Magnetite | 7.2.2.3 | Fe2+Fe3+2O4 |
| Group 29 - HYDRATED ACID AND NORMAL SULFATES | ||
| AXO4·xH2O | ||
| Gypsum | 29.6.3.1 | CaSO4 · 2H2O |
| Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES | ||
| (AB)5(XO4)2·xH2O | ||
| Variscite | 40.4.1.1 | AlPO4 · 2H2O |
| Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN | ||
| A2(XO4)Zq | ||
| Augelite | 41.6.8.1 | Al2(PO4)(OH)3 |
| A5(XO4)3Zq | ||
| Fluorapatite | 41.8.1.1 | Ca5(PO4)3F |
| (AB)3(XO4)2Zq | ||
| Lazulite | 41.10.1.1 | (Mg,Fe2+)Al2(PO4)2(OH)2 |
| Miscellaneous | ||
| Trolleite | 41.11.1.1 | Al4(PO4)3(OH)3 |
| Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN | ||
| (AB)2(XO4)Zq·xH2O | ||
| Crandallite | 42.7.3.1 | CaAl3(PO4)2(OH)5 · H2O |
| Goyazite | 42.7.3.3 | SrAl3(PO4)2(OH)5 · H2O |
| (AB)7(XO4)4Zq·xH2O | ||
| Chalcosiderite | 42.9.3.4 | Cu(Fe3+,Al)6(PO4)4(OH)8 · 4H2O |
| Group 43 - COMPOUND PHOSPHATES, ETC. | ||
| Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen | ||
| Woodhouseite | 43.4.1.8 | CaAl3(PO4)(SO4)(OH)6 |
| Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O | ||
| Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination | ||
| Kyanite | 52.2.2c.1 | Al2(SiO4)O |
| Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only | ||
| Topaz | 52.3.1.1 | Al2(SiO4)(F,OH)2 |
| Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings | ||
| Sheets of 6-membered rings with 1:1 layers | ||
| Dickite | 71.1.1.1 | Al2(Si2O5)(OH)4 |
| 'Halloysite' | 71.1.1.4 | Al2(Si2O5)(OH)4 |
| Sheets of 6-membered rings with 2:1 layers | ||
| Muscovite | 71.2.2a.1 | KAl2(AlSi3O10)(OH)2 |
| Paragonite | 71.2.2a.2 | NaAl2(AlSi3O10)(OH)2 |
| Pyrophyllite | 71.2.1.1 | Al2(Si4O10)(OH)2 |
| Group 75 - TECTOSILICATES Si Tetrahedral Frameworks | ||
| Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si | ||
| Quartz | 75.1.3.1 | SiO2 |
| Unclassified Minerals | ||
| 'Biotite' | - | |
| Kaolinite | - | Al2(Si2O5)(OH)4 |
| 'Limonite' | - | FeO(OH) · nH2O |
| Muscovite var: Fuchsite | - | K(Al,Cr)3Si3O10(OH)2 |
| 'Tourmaline' | - | A(D3)G6(T6O18)(BO3)3X3Z |
| 'Turgite' | - | |
33 entries listed. 28 valid minerals.
References
- Deposit:: ESPENSHADE, G. H., AND POTTER, D. B., 1960, KYANITE, SILLIMANITE, AND ANDALUSITE DEPOSITS OF THE SOUTHEASTERN STATES: U.S. GEOL. SURVEY PROF. PAPER 336., 121 P.
- JOHNSON, S.S., 1967, VIRGINIA'S CONTRIBUTION TO THE KYANITE-MULLITE INDUSTRY
- Rocks & Min.: 60: 166.
- JOHNSON, S.S., 1967, VIRGINIA'S CONTRIBUTION TO THE KYANITE-MULLITE INDUSTRY
- Rocks & Min.: 60: 166.
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