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Luc Yen, Yenbai Province (Yen Bai Province), Vietnami
Regional Level Types
Luc Yen- not defined -
Yenbai Province (Yen Bai Province)Province
VietnamCountry

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Satellite view of the primary location

An Phu, Luc Yen, Yenbai Province, Vietnam


The recent finds of pargasite/ "fluor-cannilloite" from "Yuang Yang (Yueng Yang), Wenshan, Yunnan Province, China" are really from this locality.
Yuang Yang is in fact a small city in Yunnan Province where mineral dealers frequently offer Vietnamese specimens.

There are numerous quarries spread along a 12 km line in this area, all generally labelled "Luc Yen", although some should probably be renamed.

NOTE: All of the analysed 'fluor-cannilloites' are pargasite (see http://www.mindat.org/mesg-106-259756.html, http://www.mindat.org/mesg-7-69925.html and http://www.mindat.org/mesg-7-198029.html). Hauzenberger et al. (2005) report intense green pargasite in association with red spinel from Luc Yen. This pargasite has been confirmed by EPMA and single-crystal XRD.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

29 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Min Rec 2007 38:453-457; Russo, P. & Escaut, F. (2006): Luc Yen: Neue Edelstein-Turmaline aus einem Pegmatit in Nordvietnam. Lapis 31 (6): 49-51
Albite var: Cleavelandite
Formula: Na(AlSi3O8)
Reference: Min Rec 2007 38:453-457; Russo, P. & Escaut, F. (2006): Luc Yen: Neue Edelstein-Turmaline aus einem Pegmatit in Nordvietnam. Lapis 31 (6): 49-51
Anorthite
Formula: Ca(Al2Si2O8)
Reference: Isabella Pignatelli, Gaston Giuliani, Christophe Morlot, Van Long Pham (2018) Trapiche ruby from Vietnam. in abstracts of the 22nd IMA Meeting Melbourne p 326
'Apatite'
Reference: 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): Ore Geology Reviews 34, 169-191.
'Biotite'
Reference: Dudley Blauwet (2009) Mineral News, 25, #3, 5 & 12.
Calcite
Formula: CaCO3
Localities: Reported from at least 6 localities in this region.
Reference: with fluorcannilloite specimens obtained at Luc Yen by Eugeni Bareche
'Chlorite Group'
Reference: 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): Ore Geology Reviews 34, 169-191.
Chondrodite
Formula: (Mg,Fe2+)5(SiO4)2(F,OH)2
Reference: Min Rec 2007 38:443-453
Corundum
Formula: Al2O3
Localities: Reported from at least 9 localities in this region.
Corundum var: Ruby
Formula: Al2O3
Localities: Reported from at least 8 localities in this region.
Reference: [www.johnbetts-fineminerals.com]
Corundum var: Sapphire
Formula: Al2O3
Localities: Reported from at least 8 localities in this region.
Reference: Van King
Corundum var: Trapiche ruby
Formula: Al2O3
Reference: Isabella Pignatelli, Gaston Giuliani, Christophe Morlot, Van Long Pham (2018) Trapiche ruby from Vietnam. in abstracts of the 22nd IMA Meeting Melbourne p 326
Danburite
Formula: CaB2Si2O8
Dravite
Formula: Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Localities: Reported from at least 6 localities in this region.
Edenite
Formula: {Na}{Ca2}{Mg5}(AlSi7O22)(OH)2
Localities: Reported from at least 6 localities in this region.
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Mineralogical Record: 36(3): 296.; Min Rec 2007 38:453-457; Russo, P. & Escaut, F. (2006): Luc Yen: Neue Edelstein-Turmaline aus einem Pegmatit in Nordvietnam. Lapis 31 (6): 49-51
'Fayalite-Forsterite Series'
Reference: 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): Ore Geology Reviews 34, 169-191.
Fluoro-cannilloite
Formula: {Ca}{Ca2}{Mg4Al}(Al3Si5O22)(F,OH)2
Description: (All "fluor-cannilloite" specimens from here turn out on analysis to be pargasite.)see: http://www.mindat.org/mesg-106-259756.html
Reference: http://www.thearkenstone.com/tuc-china2.html; Eugeni Bareche (2007) An Phu, Luc Yen, Vietnam. Revista de Minerales (Barcelona), 2007/2, 26-29.
Graphite
Formula: C
Localities: Reported from at least 7 localities in this region.
Reference: 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): Ore Geology Reviews 34, 169-191.
Humite
Formula: (Mg,Fe2+)7(SiO4)3(F,OH)2
'Humite Group'
Reference: Patureau, J. (2011): Un minéralogiste et collectionneur francais á Luc Yen, Vietnam. La Régne Minéral.99, 39-48
'Lepidolite'
Reference: Min Rec 2007 38:453-457; Russo, P. & Escaut, F. (2006): Luc Yen: Neue Edelstein-Turmaline aus einem Pegmatit in Nordvietnam. Lapis 31 (6): 49-51
'Liddicoatite' ?
Formula: Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Description: According to Russo & Escaut (2006) Dr. Pezzotta has analyzed pale red to pastelred colored tourmaline from one pocket found in 2004 and found these to be Ca-rich and consist of liddicoatite (bright pastelred areas) and darker core of elbaite. Later chemical analyses did not find any tourmaline of liddicoatite composition. It is not known if the analysis where made of samples from the 2004 or the 2005 pockets. However new analysis are needed to establish correct species according to the new nomenclature of the tourmaline supergrop.
Reference: Mineralogical Record: 36(3): 296.; Russo, P. & Escaut, F. (2006): Luc Yen: Neue Edelstein-Turmaline aus einem Pegmatit in Nordvietnam. Lapis 31 (6): 49-51
Margarite
Formula: CaAl2(Al2Si2O10)(OH)2
Localities: Reported from at least 6 localities in this region.
Microcline
Formula: K(AlSi3O8)
Microcline var: Amazonite
Formula: K(AlSi3O8)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Orthoclase
Formula: K(AlSi3O8)
Reference: 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): Ore Geology Reviews 34, 169-191.
Paragonite
Formula: NaAl2(AlSi3O10)(OH)2
Reference: 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): Ore Geology Reviews 34, 169-191.
Pargasite
Formula: {Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Description: Intense green crystals up to 5 cm large in association with red spinel in calcite-dolomite marble (Hauzenberger et al., 2005). Ca = 1.97 apfu, Na+K = 0.72 apfu, F = 0.54 apfu. Full composition: Si 6.34 Ti 0.03 Al 2.38 Cr 0.04 Fe < 0.01 Mn < 0.01 Mg 4.25 Ca 1.97 Na 0.66 K 0.06 ------- F 0.54 Cl < 0.01
Reference: 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; http://www.mindat.org/mesg-7-69925.html
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Localities: Reported from at least 7 localities in this region.
Reference: 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): Ore Geology Reviews 34, 169-191.
Pyrite
Formula: FeS2
Localities: Reported from at least 7 localities in this region.
Reference: 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): Ore Geology Reviews 34, 169-191.
Pyrrhotite
Formula: Fe7S8
Reference: with fluorcannilloite specimens obtained at Luc Yen by Eugeni Bareche
Quartz
Formula: SiO2
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Min Rec 2007 38:443-453
Rossmanite
Formula: ☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Min Rec 2007 38:453-457
Rutile
Formula: TiO2
Localities: Reported from at least 7 localities in this region.
Reference: various correctly added photos
Sadanagaite
Formula: {Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Reference: Hauzenberger, C.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): Proc. 3. intern. workschop on gem-materials and modern analytical methods. Hanoi, Vietnam. 3-8.
Sassolite
Formula: H3BO3
Reference: Le Thi-Thu Huong (2017): Gem-quality danburite from the Luc Yen mining area, northern Viet Nam. Talk given on 9 June 2017 at Institute for Mineralogy and Crystallography, University of Vienna.; Le Thi-Thu Huong, Kurt Krenn, Christoph Hauzenberger (2017): Sassolite- and CO2-H2O-bearing fluid inclusions in yellow danburite from Luc Yen, Vietnam. Journal of Gemmology, 35, 544-550.
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Dudley Blauwet (2009) Mineral News, 25, #3, 5 & 12.
Spinel
Formula: MgAl2O4
Localities: Reported from at least 10 localities in this region.
Reference: Pham Van Long, Gaston Giuliani, Virginie Garnier, Daniel Ohnenstetter (2004) Gemstones in Vietnam. The Australian Gemmologist Volume 22, Number 4, October–December 2004
Titanite
Formula: CaTi(SiO4)O
Reference: 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): Ore Geology Reviews 34, 169-191.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Localities: Reported from at least 6 localities in this region.
'Unnamed (Pb-dominant Tourmaline)'
Formula: (Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
Reference: Sokolov, M. & Martin, R. F. (2009): A Pb-dominant member of the tourmaline group, Minh Tien granitic pegmatite, Luc Yen district, Vietnam. Estudos Geológicos, 19, 352-353.
Zircon
Formula: Zr(SiO4)
Reference: Isabella Pignatelli, Gaston Giuliani, Christophe Morlot, Van Long Pham (2018) Trapiche ruby from Vietnam. in abstracts of the 22nd IMA Meeting Melbourne p 326

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
var: Ruby4.CB.05Al2O3
var: Sapphire4.CB.05Al2O3
var: Trapiche ruby4.CB.05Al2O3
Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 6 - Borates
Sassolite6.AA.05H3BO3
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
var: Cleavelandite9.FA.35Na(AlSi3O8)
Anorthite9.FA.35Ca(Al2Si2O8)
Chondrodite9.AF.45(Mg,Fe2+)5(SiO4)2(F,OH)2
Danburite9.FA.65CaB2Si2O8
Dravite9.CK.05Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Edenite9.DE.15{Na}{Ca2}{Mg5}(AlSi7O22)(OH)2
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Fluoro-cannilloite ?9.DE.10{Ca}{Ca2}{Mg4Al}(Al3Si5O22)(F,OH)2
Humite9.AF.50(Mg,Fe2+)7(SiO4)3(F,OH)2
'Liddicoatite' ?9.CK.05Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Margarite9.EC.30CaAl2(Al2Si2O10)(OH)2
Microcline9.FA.30K(AlSi3O8)
var: Amazonite9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Paragonite9.EC.15NaAl2(AlSi3O10)(OH)2
Pargasite9.DE.15{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Rossmanite9.CK.05☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Sadanagaite9.DE.15{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Titanite9.AG.15CaTi(SiO4)O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Biotite'-
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Humite Group'-
'Lepidolite'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Unnamed (Pb-dominant Tourmaline)'-(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Spinel7.2.1.1MgAl2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 24 - ANHYDROUS BORATES
AmBn[XO3]p
Sassolite24.3.1.1H3BO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
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
Chondrodite52.3.2b.2(Mg,Fe2+)5(SiO4)2(F,OH)2
Humite52.3.2c.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
Titanite52.4.3.1CaTi(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
Danburite56.3.1.1CaB2Si2O8
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Dravite61.3.1.9Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Elbaite61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
'Liddicoatite' ?61.3.1.2Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Edenite66.1.3a.10{Na}{Ca2}{Mg5}(AlSi7O22)(OH)2
Pargasite66.1.3a.12{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Margarite71.2.2c.1CaAl2(Al2Si2O10)(OH)2
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Paragonite71.2.2a.2NaAl2(AlSi3O10)(OH)2
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Orthoclase76.1.1.1K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Albite
var: Cleavelandite
-Na(AlSi3O8)
Anorthite-Ca(Al2Si2O8)
'Apatite'-
'Biotite'-
'Chlorite Group'-
Corundum
var: Ruby
-Al2O3
var: Sapphire-Al2O3
var: Trapiche ruby-Al2O3
'Fayalite-Forsterite Series'-
Fluoro-cannilloite ?-{Ca}{Ca2}{Mg4Al}(Al3Si5O22)(F,OH)2
'Humite Group'-
'Lepidolite'-
Microcline
var: Amazonite
-K(AlSi3O8)
Quartz
var: Smoky Quartz
-SiO2
Rossmanite-☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Sadanagaite-{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Unnamed (Pb-dominant Tourmaline)'-(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)

List of minerals for each chemical element

HHydrogen
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H Humite(Mg,Fe2+)7(SiO4)3(F,OH)2
H Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
H Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
H PhlogopiteKMg3(AlSi3O10)(OH)2
H ParagoniteNaAl2(AlSi3O10)(OH)2
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
H DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
H MargariteCaAl2(Al2Si2O10)(OH)2
H Edenite{Na}{Ca2}{Mg5}(AlSi7O22)(OH)2
H SassoliteH3BO3
H Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
H LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
LiLithium
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Li Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Li Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
Li LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
BBoron
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
B DanburiteCaB2Si2O8
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
B Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
B DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
B SassoliteH3BO3
B LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C GraphiteC
C CalciteCaCO3
OOxygen
O Corundum (var: Ruby)Al2O3
O SpinelMgAl2O4
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Quartz (var: Smoky Quartz)SiO2
O Humite(Mg,Fe2+)7(SiO4)3(F,OH)2
O CorundumAl2O3
O Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
O CalciteCaCO3
O Microcline (var: Amazonite)K(AlSi3O8)
O Albite (var: Cleavelandite)Na(AlSi3O8)
O Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
O DanburiteCaB2Si2O8
O Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
O PhlogopiteKMg3(AlSi3O10)(OH)2
O OrthoclaseK(AlSi3O8)
O ParagoniteNaAl2(AlSi3O10)(OH)2
O TitaniteCaTi(SiO4)O
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O MicroclineK(AlSi3O8)
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O QuartzSiO2
O RutileTiO2
O Corundum (var: Sapphire)Al2O3
O Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
O DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
O MargariteCaAl2(Al2Si2O10)(OH)2
O Edenite{Na}{Ca2}{Mg5}(AlSi7O22)(OH)2
O AlbiteNa(AlSi3O8)
O SassoliteH3BO3
O Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
O AnorthiteCa(Al2Si2O8)
O Corundum (var: Trapiche ruby)Al2O3
O ZirconZr(SiO4)
O LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
O Fluoro-cannilloite{Ca}{Ca2}{Mg4Al}(Al3Si5O22)(F,OH)2
FFluorine
F Humite(Mg,Fe2+)7(SiO4)3(F,OH)2
F Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
F Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
F Fluoro-cannilloite{Ca}{Ca2}{Mg4Al}(Al3Si5O22)(F,OH)2
NaSodium
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Na Albite (var: Cleavelandite)Na(AlSi3O8)
Na ParagoniteNaAl2(AlSi3O10)(OH)2
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
Na DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Edenite{Na}{Ca2}{Mg5}(AlSi7O22)(OH)2
Na AlbiteNa(AlSi3O8)
Na Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
MgMagnesium
Mg SpinelMgAl2O4
Mg Humite(Mg,Fe2+)7(SiO4)3(F,OH)2
Mg Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Mg Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Mg Edenite{Na}{Ca2}{Mg5}(AlSi7O22)(OH)2
Mg Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Mg Fluoro-cannilloite{Ca}{Ca2}{Mg4Al}(Al3Si5O22)(F,OH)2
AlAluminium
Al Corundum (var: Ruby)Al2O3
Al SpinelMgAl2O4
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al CorundumAl2O3
Al Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Al Microcline (var: Amazonite)K(AlSi3O8)
Al Albite (var: Cleavelandite)Na(AlSi3O8)
Al Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al ParagoniteNaAl2(AlSi3O10)(OH)2
Al MicroclineK(AlSi3O8)
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al Corundum (var: Sapphire)Al2O3
Al Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
Al DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Al MargariteCaAl2(Al2Si2O10)(OH)2
Al Edenite{Na}{Ca2}{Mg5}(AlSi7O22)(OH)2
Al AlbiteNa(AlSi3O8)
Al Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Al AnorthiteCa(Al2Si2O8)
Al Corundum (var: Trapiche ruby)Al2O3
Al LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Al Fluoro-cannilloite{Ca}{Ca2}{Mg4Al}(Al3Si5O22)(F,OH)2
SiSilicon
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Quartz (var: Smoky Quartz)SiO2
Si Humite(Mg,Fe2+)7(SiO4)3(F,OH)2
Si Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Si Microcline (var: Amazonite)K(AlSi3O8)
Si Albite (var: Cleavelandite)Na(AlSi3O8)
Si Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Si DanburiteCaB2Si2O8
Si Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si OrthoclaseK(AlSi3O8)
Si ParagoniteNaAl2(AlSi3O10)(OH)2
Si TitaniteCaTi(SiO4)O
Si MicroclineK(AlSi3O8)
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si QuartzSiO2
Si Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
Si DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Si MargariteCaAl2(Al2Si2O10)(OH)2
Si Edenite{Na}{Ca2}{Mg5}(AlSi7O22)(OH)2
Si AlbiteNa(AlSi3O8)
Si Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Si AnorthiteCa(Al2Si2O8)
Si ZirconZr(SiO4)
Si LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Fluoro-cannilloite{Ca}{Ca2}{Mg4Al}(Al3Si5O22)(F,OH)2
SSulfur
S PyrrhotiteFe7S8
S PyriteFeS2
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Microcline (var: Amazonite)K(AlSi3O8)
K PhlogopiteKMg3(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K MicroclineK(AlSi3O8)
CaCalcium
Ca Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Ca CalciteCaCO3
Ca DanburiteCaB2Si2O8
Ca TitaniteCaTi(SiO4)O
Ca MargariteCaAl2(Al2Si2O10)(OH)2
Ca Edenite{Na}{Ca2}{Mg5}(AlSi7O22)(OH)2
Ca Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Ca AnorthiteCa(Al2Si2O8)
Ca LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Ca Fluoro-cannilloite{Ca}{Ca2}{Mg4Al}(Al3Si5O22)(F,OH)2
TiTitanium
Ti TitaniteCaTi(SiO4)O
Ti RutileTiO2
FeIron
Fe Humite(Mg,Fe2+)7(SiO4)3(F,OH)2
Fe PyrrhotiteFe7S8
Fe PyriteFeS2
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
ZrZirconium
Zr ZirconZr(SiO4)
PbLead
Pb Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Van Long, P., Quang Vinh, H., Garnier, V., Giuliani, G., Ohnenstetter, D., Lhomme, T., Schwarz, D., Fallick, A.E., Dubessy, J. and Trong Trinh, P. (2004): Gem corundum deposits in Vietnam. Journal of Gemmology, 29, 129-142.
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
Pham Van Long, Vincent Pardieu, and Gaston Giuliani (2013): Update on Gemstone Mining in Luc Yen, Vietnam. Gems & Gemology 49, 233-245.

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