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Luc Yen, Yenbai Province (Yen Bai Province), Vietnam
List of minerals arranged by Dana 8th Edition classification
| Group 1 - NATIVE ELEMENTS AND ALLOYS | ||
|---|---|---|
| Semi-metals and non-metals | ||
| Graphite | 1.3.6.2 | C |
| Group 2 - SULFIDES | ||
| AmXp, with m:p = 1:1 | ||
| Pyrrhotite | 2.8.10.1 | Fe1-xS (x = 0 to 0.17) |
| AmBnXp, with (m+n):p = 1:2 | ||
| Pyrite | 2.12.1.1 | FeS2 |
| Group 4 - SIMPLE OXIDES | ||
| A2X3 | ||
| Corundum | 4.3.1.1 | Al2O3 |
| AX2 | ||
| Rutile | 4.4.1.1 | TiO2 |
| Group 7 - MULTIPLE OXIDES | ||
| AB2X4 | ||
| Spinel | 7.2.1.1 | MgAl2O4 |
| Group 14 - ANHYDROUS NORMAL CARBONATES | ||
| A(XO3) | ||
| Calcite | 14.1.1.1 | CaCO3 |
| Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O | ||
| Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only | ||
| Chondrodite | 52.3.2b.2 | (Mg,Fe2+)5(SiO4)2(F,OH)2 |
| Humite | 52.3.2c.1 | (Mg,Fe2+)7(SiO4)3(F,OH)2 |
| Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination | ||
| Titanite | 52.4.3.1 | CaTi(SiO4)O |
| Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O | ||
| Si2O7 Groups and O, OH, F, and H2O with[Si2O7] with borate groups | ||
| Danburite | 56.3.1.1 | CaB2Si2O8 |
| Group 61 - CYCLOSILICATES Six-Membered Rings | ||
| Six-Membered Rings with borate groups | ||
| Elbaite | 61.3.1.8 | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| 'Liddicoatite' ? | 61.3.1.2 | Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Schorl | 61.3.1.10 | Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2) | ||
| Amphiboles - Mg-Fe-Mn-Li subgroup | ||
| Pargasite | 66.1.3a.12 | {Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2 |
| Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings | ||
| 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 |
| Phlogopite | 71.2.2b.1 | KMg3(AlSi3O10)(OH,F)2 |
| Group 75 - TECTOSILICATES Si Tetrahedral Frameworks | ||
| Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si | ||
| Quartz | 75.1.3.1 | SiO2 |
| Group 76 - TECTOSILICATES Al-Si Framework | ||
| Al-Si Framework with Al-Si frameworks | ||
| Microcline | 76.1.1.5 | KAlSi3O8 |
| Orthoclase | 76.1.1.1 | KAlSi3O8 |
| Unclassified Minerals | ||
| Albite var: Cleavelandite | - | NaAlSi3O8 |
| 'Apatite' | - | |
| 'Biotite' | - | |
| 'Chlorite Group' | - | |
| Corundum var: Ruby | - | Al2O3 |
| var: Sapphire | - | Al2O3 |
| 'Humite Group' | - | |
| Lepidolite | - | |
| Microcline var: Amazonite | - | KAlSi3O8 |
| 'Olivine' | - | (Mg,Fe2+)2SiO4 |
| Quartz var: Smoky Quartz | - | SiO2 |
| Rossmanite | - | ☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH) |
| 'Tourmaline' | - | A(D3)G6(T6O18)(BO3)3X3Z |
| 'Unnamed (Pb-dominant Tourmaline)' | - | (Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH) |
35 entries listed. 27 valid minerals.
References
Hauzenberger, Ch.A., Walter, F., Hofmeister, W., Phan Tien, D. & Kienzl, N. (2005): Mineralogical, petrological and crystallographic investigations of two amphiboles from ruby and spinel bearing marbles, Luc Yen, Province Yen Bai, Vietnam. In: Hofmeister, W. et al. (ed): Proceedings of the third international workschop on gem-materials and modern analytical methods. Hanoi, Vietnam. 3-8.
Eugeni Bareche (2007) An Phu, Luc Yen, Vietnam. Revista de Minerales (Barcelona), 2007/2, 26-29.
Tamagnini, F. (2007). Tormaline policrome in Vietnam. Un nuovo ritrovamento nei pressi di Luc Yen. Rivista Mineralogica Italiana, 31 (2), 104-107.
Garnier, V., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Dubessy, J., Banks, D., Vinh, H.Q., Lhomme, T., Maluski, H., Pêcher, A., Bakhsh, K.A., Long, P.V., Trinh, P.T., and Schwarz, D. (2008): Marble-hosted ruby deposits from Central and Southeast Asia: Towards a new genetic model. Ore Geology Reviews 34, 169-191.
Patureau, J. (2011): Un minéralogiste et collectionneur francais á Luc Yen, Vietnam. La Régne Minéral.99, 39-48
Eugeni Bareche (2007) An Phu, Luc Yen, Vietnam. Revista de Minerales (Barcelona), 2007/2, 26-29.
Tamagnini, F. (2007). Tormaline policrome in Vietnam. Un nuovo ritrovamento nei pressi di Luc Yen. Rivista Mineralogica Italiana, 31 (2), 104-107.
Garnier, V., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Dubessy, J., Banks, D., Vinh, H.Q., Lhomme, T., Maluski, H., Pêcher, A., Bakhsh, K.A., Long, P.V., Trinh, P.T., and Schwarz, D. (2008): Marble-hosted ruby deposits from Central and Southeast Asia: Towards a new genetic model. Ore Geology Reviews 34, 169-191.
Patureau, J. (2011): Un minéralogiste et collectionneur francais á Luc Yen, Vietnam. La Régne Minéral.99, 39-48
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