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Yuge Island, Inland Sea (Setonaikai), Ehime Prefecture, Japan

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Gugiaite

Yuge Island, Inland Sea, Ehime Prefecture, Japan
Gugiaite

Yuge Island, Inland Sea, Ehime Prefecture, Japan
Gugiaite

Yuge Island, Inland Sea, Ehime Prefecture, Japan
Latitude & Longitude (WGS84): 34° 16' 32'' North , 133° 13' 7'' East
Latitude & Longitude (decimal): 34.27576,133.21878
GeoHash:G#: wyndzrwyy
Locality type:Island
Köppen climate type:Cfa : Humid subtropical climate


(Belongs to Ehime prefecture, but closest city is Innoshima in Hiroshima prefecture, leading to erroneous labels assigning Yuge to Hiroshima.) Al-Ti-Fe-rich skarn in marble bed in a limestone quarry.

Shimazaki et. al.(1984) used material from Yuge in the type description of sadanagaite and magnesiosadanagaite. The sadanagaite-group minerals has been redefined twice sine this paper, latest by Hawthorne et.al (2012). By reviewing Shimazaki's analysis (Electron microprobe), using the software published by Oberti et al. (2012) for identification, the following amphiboles are present:

Potassic-ferro-rootname4:

(Na0.170K0.690)(Na0.020Ca1.970Mn0.010)(Mg1.520Fe2+1.600Mn2+0.040Al0.850Fe3+0.480Ti4+0.510)(Si4.770Al3.230)(O22(OH)2.000)

Potassic-ferro-sadanagaite
(Na0.290K0.710)(Ca2.000)(Mg1.500Fe2+1.550Mn2+0.020Al1.070Fe3+0.400Ti4+0.460)(Si4.61Al3.390)(O22(OH)2.000)

Potassic-ferri-sadanagaite
(Na0.200K0.680)(Ca1.960Mn0.040)(Mg1.750Fe2+1.130Al0.710Fe3+0.970Ti4+0.460)(Si4.520Al3.480)(O22(OH)2.000)

The software operates with 4 valid digits as a standard, and this does not necessarily reflect the accuracy of the original analysis,

Any references to other sadanagaite-group minerals should be validated by micropobe data.


Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

15 valid minerals. 1 (TL) - type locality of valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc. 1 erroneous literature entry.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Apatite'
Reference: Amer.Min.(1984) 69, 465-471
ⓘ 'Clinopyroxene Subgroup'
Reference: Amer.Min.(1984) 69, 465-471
ⓘ Fluorite
Formula: CaF2
Reference: Yukikaza Ogoshi and Tetsuo Minakawa (2009) JAKOKA: 2009 Annual Meeting of the Japan Association of Mineralogical Sciences, R4-P16
Gugiaite

Yuge Island, Inland Sea, Ehime Prefecture, Japan
ⓘ Gugiaite
Formula: Ca2Be(Si2O7)
Reference: Matsubara, S. (2002): The Mineral Species of Japan, p27
ⓘ Hercynite
Formula: Fe2+Al2O4
Reference: Amer.Min.(1984) 69, 465-471
ⓘ Ilmenite
Formula: Fe2+TiO3
Reference: Amer.Min.(1984) 69, 465-471
ⓘ Kobeite-(Y)
Formula: (REE,Fe,U)3 Zr(Ti,Nb)3 O12
ⓘ 'Oxycalciobetafite'
Formula: Ca2(Ti,Nb)2O6O
ⓘ Pargasite
Formula: {Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Reference: Amer.Min.(1984) 69, 465-471
ⓘ Perovskite
Formula: CaTiO3
Reference: Amer.Min.(1984) 69, 465-471
ⓘ 'Potassic-ferri-sadanagaite' (FRL)
Formula: {K}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2
Reference: Hidehiko Shamazaki, Michiaki Bunno, Tohru Ozawa: (1984): Sadanagaite and magnesio-sadanagaite, new silica-poor members of calcic amphibole from Japan, American Mineralogist, Volume 69, pages 465-471
ⓘ Potassic-ferro-sadanagaite (TL)
Formula: {K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2
Reference: Can Min 35 (1997), 219; Min Rec 29 (1998), 169
ⓘ Sadanagaite
Formula: {Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Reference: Shimazaki, H., Bunno, M., & Ozawa, T. (1984). Sadanagaite and magnesio-sadanagaite, new silica-poor members of calcific amphibole from Japan. Am. Mineral, 69, 465-471.
ⓘ 'Skarn'
ⓘ Spinel
Formula: MgAl2O4
Reference: Amer.Min.(1984) 69, 465-471
ⓘ Thorianite
Formula: ThO2
Reference: Yukikaza Ogoshi and Tetsuo Minakawa (2009) JAKOKA: 2009 Annual Meeting of the Japan Association of Mineralogical Sciences, R4-P16
ⓘ Thorite
Formula: Th(SiO4)
Reference: Yukikaza Ogoshi and Tetsuo Minakawa (2009) JAKOKA: 2009 Annual Meeting of the Japan Association of Mineralogical Sciences, R4-P16
ⓘ Titanite
Formula: CaTi(SiO4)O
Reference: Amer.Min.(1984) 69, 465-471
ⓘ Vesuvianite
Formula: (Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Reference: Amer.Min.(1984) 69, 465-471
ⓘ Zircon
Formula: Zr(SiO4)
Reference: Yukikaza Ogoshi and Tetsuo Minakawa (2009) JAKOKA: 2009 Annual Meeting of the Japan Association of Mineralogical Sciences, R4-P16
ⓘ Zirconolite
Formula: CaZrTi2O7
Reference: Nishio & Minakawa (2003) Koubutsu-Gakkai Kou'en-Youshi, 201.

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
ⓘ'Fluorite'3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘ'Hercynite'4.BB.05Fe2+Al2O4
ⓘ'Ilmenite'4.CB.05Fe2+TiO3
ⓘ'Kobeite-(Y)'4.DG.05(REE,Fe,U)3 Zr(Ti,Nb)3 O12
ⓘ'Perovskite'4.CC.30CaTiO3
ⓘ'Spinel'4.BB.05MgAl2O4
ⓘ'Thorianite'4.DL.05ThO2
ⓘ'Zirconolite'4.DH.30CaZrTi2O7
Group 9 - Silicates
ⓘ'Gugiaite'9.BB.10Ca2Be(Si2O7)
ⓘ'Pargasite'9.DE.15{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
ⓘ'Potassic-ferro-sadanagaite' (TL)9.DE.15{K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2
ⓘ'Sadanagaite' ?9.DE.15{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
ⓘ'Thorite'9.AD.30Th(SiO4)
ⓘ'Titanite'9.AG.15CaTi(SiO4)O
ⓘ'Vesuvianite'9.BG.35(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
ⓘ'Zircon'9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
ⓘ'Apatite'-
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Oxycalciobetafite'-Ca2(Ti,Nb)2O6O
ⓘ'Potassic-ferri-sadanagaite' (TL)-{K}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2
ⓘ'Skarn'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
ⓘIlmenite4.3.5.1Fe2+TiO3
ⓘPerovskite4.3.3.1CaTiO3
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
ⓘThorianite5.1.1.2ThO2
Group 7 - MULTIPLE OXIDES
AB2X4
ⓘHercynite7.2.1.3Fe2+Al2O4
ⓘSpinel7.2.1.1MgAl2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
ⓘZirconolite8.2.5.5CaZrTi2O7
AB2O6
ⓘKobeite-(Y)8.3.12.1(REE,Fe,U)3 Zr(Ti,Nb)3 O12
Group 9 - NORMAL HALIDES
AX2
ⓘFluorite9.2.1.1CaF2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
ⓘThorite51.5.2.3Th(SiO4)
ⓘ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] and/or >[6] coordination
ⓘTitanite52.4.3.1CaTi(SiO4)O
Group 55 - SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
Si2O7 Groups, Generally with No Additional Anions with cations in [8] and lower coordination
ⓘGugiaite55.4.2.6Ca2Be(Si2O7)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
ⓘVesuvianite58.2.4.1(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
ⓘPargasite66.1.3a.12{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Unclassified Minerals, Rocks, etc.
ⓘ'Apatite'-
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Oxycalciobetafite'-Ca2(Ti,Nb)2O6O
ⓘ'Potassic-ferri-sadanagaite' (FRL)-{K}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2
ⓘPotassic-ferro-sadanagaite (TL)-{K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2
ⓘSadanagaite ?-{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
ⓘ'Skarn'-

List of minerals for each chemical element

HHydrogen
Hⓘ Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Hⓘ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
Hⓘ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Hⓘ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Hⓘ Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
BeBeryllium
Beⓘ GugiaiteCa2Be(Si2O7)
BBoron
Bⓘ Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
OOxygen
Oⓘ GugiaiteCa2Be(Si2O7)
Oⓘ HercyniteFe2+Al2O4
Oⓘ IlmeniteFe2+TiO3
Oⓘ Kobeite-(Y)(REE,Fe,U)3 Zr(Ti,Nb)3 O12
Oⓘ OxycalciobetafiteCa2(Ti,Nb)2O6O
Oⓘ Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Oⓘ PerovskiteCaTiO3
Oⓘ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
Oⓘ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Oⓘ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Oⓘ SpinelMgAl2O4
Oⓘ ThorianiteThO2
Oⓘ ThoriteTh(SiO4)
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Oⓘ ZirconZr(SiO4)
Oⓘ ZirconoliteCaZrTi2O7
FFluorine
Fⓘ FluoriteCaF2
Fⓘ Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
NaSodium
Naⓘ Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Naⓘ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Naⓘ Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
MgMagnesium
Mgⓘ Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Mgⓘ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
Mgⓘ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Mgⓘ SpinelMgAl2O4
Mgⓘ Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
AlAluminium
Alⓘ HercyniteFe2+Al2O4
Alⓘ Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Alⓘ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
Alⓘ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Alⓘ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Alⓘ SpinelMgAl2O4
Alⓘ Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
SiSilicon
Siⓘ GugiaiteCa2Be(Si2O7)
Siⓘ Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Siⓘ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
Siⓘ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Siⓘ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Siⓘ ThoriteTh(SiO4)
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Siⓘ ZirconZr(SiO4)
KPotassium
Kⓘ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
Kⓘ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
CaCalcium
Caⓘ FluoriteCaF2
Caⓘ GugiaiteCa2Be(Si2O7)
Caⓘ OxycalciobetafiteCa2(Ti,Nb)2O6O
Caⓘ Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2
Caⓘ PerovskiteCaTiO3
Caⓘ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
Caⓘ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Caⓘ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Caⓘ ZirconoliteCaZrTi2O7
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ Kobeite-(Y)(REE,Fe,U)3 Zr(Ti,Nb)3 O12
Tiⓘ OxycalciobetafiteCa2(Ti,Nb)2O6O
Tiⓘ PerovskiteCaTiO3
Tiⓘ TitaniteCaTi(SiO4)O
Tiⓘ ZirconoliteCaZrTi2O7
FeIron
Feⓘ HercyniteFe2+Al2O4
Feⓘ IlmeniteFe2+TiO3
Feⓘ Kobeite-(Y)(REE,Fe,U)3 Zr(Ti,Nb)3 O12
Feⓘ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
Feⓘ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Feⓘ Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
ZrZirconium
Zrⓘ Kobeite-(Y)(REE,Fe,U)3 Zr(Ti,Nb)3 O12
Zrⓘ ZirconZr(SiO4)
Zrⓘ ZirconoliteCaZrTi2O7
NbNiobium
Nbⓘ Kobeite-(Y)(REE,Fe,U)3 Zr(Ti,Nb)3 O12
Nbⓘ OxycalciobetafiteCa2(Ti,Nb)2O6O
ThThorium
Thⓘ ThorianiteThO2
Thⓘ ThoriteTh(SiO4)
UUranium
Uⓘ Kobeite-(Y)(REE,Fe,U)3 Zr(Ti,Nb)3 O12

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Hidehiko Shamazaki, Michiaki Bunno, Tohru Ozawa: (1984): Sadanagaite and magnesio-sadanagaite, new silica-poor members of calcic amphibole from Japan, American Mineralogist, Volume 69, pages 465-471
Frank C. Hawthorne, Roberta Oberti, George E. Harlow, Walter V. Maresch, Robert F. Martin, John C. Schumacer, Mark D. Welch (2012): Nomenclature of the amphibole supergroup, American Mineralogist, Volume 97, pages 2031–2048
Roberta Oberti, Elio Cannillo and Giuseppe Toscani (2012): How to name amphiboles after the IMA2012 report: rules of thumb and a new PC program for monoclinic amphiboles, Periodico di Mineralogia Vol81, issue2, pp257-267

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