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Yuge Island, Inland Sea (Setonaikai), Ehime Prefecture, Japani
Regional Level Types
Yuge IslandIsland
Inland Sea (Setonaikai)Sea
Ehime PrefecturePrefecture
JapanCountry

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05715100014946634376521.jpg
Gugiaite

Yuge Island, Inland Sea, Ehime Prefecture, Japan
05715100014946634376521.jpg
Gugiaite

Yuge Island, Inland Sea, Ehime Prefecture, Japan
05715100014946634376521.jpg
Gugiaite

Yuge Island, Inland Sea, Ehime Prefecture, Japan
Type:
Island
Mindat Locality ID:
4386
Long-form identifier:
mindat:1:2:4386:4
GUID (UUID V4):
1e536b25-7f71-4e24-a08e-40e5e5222e6d


(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 have 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 four 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 electron micropobe data.


Select Mineral List Type

Standard Detailed Gallery Strunz 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: 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:

β“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
β“˜ 'Clinopyroxene Subgroup'
β“˜ Fluorite
Formula: CaF2
β“˜ Gugiaite
Formula: Ca2Be[Si2O7]
β“˜ Hercynite
Formula: Fe2+Al2O4
β“˜ Ilmenite
Formula: Fe2+TiO3
β“˜ Kobeite-(Y)
Formula: (Y,U)(Ti,Nb)2(O,OH)6 (?)
β“˜ 'Oxycalciobetafite'
Formula: Ca2(Ti,Nb)2O6O
β“˜ Pargasite
Formula: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
β“˜ Perovskite
Formula: CaTiO3
β“˜ 'Potassic-ferri-sadanagaite' (FRL)
Formula: {K}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2
Type Locality:
β“˜ Potassic-ferro-sadanagaite (TL)
Formula: {K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2
Type Locality:
β“˜ Sadanagaite
Formula: {Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Description: (Material from this locality has been renamed Potassicsadanagaite; Please do not reenter the old name here.)
β“˜ Spinel
Formula: MgAl2O4
β“˜ Thorianite
Formula: ThO2
β“˜ Thorite
Formula: Th(SiO4)
β“˜ Titanite
Formula: CaTi(SiO4)O
β“˜ Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
β“˜ Zircon
Formula: Zr(SiO4)
β“˜ Zirconolite
Formula: CaZrTi2O7

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
β“˜Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
β“˜Hercynite4.BB.05Fe2+Al2O4
β“˜Spinel4.BB.05MgAl2O4
β“˜Ilmenite4.CB.05Fe2+TiO3
β“˜Perovskite4.CC.30CaTiO3
β“˜Kobeite-(Y)4.DG.05(Y,U)(Ti,Nb)2(O,OH)6 (?)
β“˜'Oxycalciobetafite'4.DH.15Ca2(Ti,Nb)2O6O
β“˜Zirconolite4.DH.30CaZrTi2O7
β“˜Thorianite4.DL.05ThO2
Group 9 - Silicates
β“˜Zircon9.AD.30Zr(SiO4)
β“˜Thorite9.AD.30Th(SiO4)
β“˜Titanite9.AG.15CaTi(SiO4)O
β“˜Gugiaite9.BB.10Ca2Be[Si2O7]
β“˜Vesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(β—»4)β—»[Si2O7]4[(SiO4)10]O(OH)9
β“˜Sadanagaite ?9.DE.15{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
β“˜Potassic-ferro-sadanagaite (TL)9.DE.15{K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2
β“˜Pargasite9.DE.15NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Unclassified
β“˜'Clinopyroxene Subgroup'-
β“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)
β“˜'Potassic-ferri-sadanagaite' (TL)-{K}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2

List of minerals for each chemical element

HHydrogen
Hβ“˜ Kobeite-(Y)(Y,U)(Ti,Nb)2(O,OH)6 (?)
Hβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Hβ“˜ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Hβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Hβ“˜ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Hβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Hβ“˜ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
BeBeryllium
Beβ“˜ GugiaiteCa2Be[Si2O7]
OOxygen
Oβ“˜ GugiaiteCa2Be[Si2O7]
Oβ“˜ HercyniteFe2+Al2O4
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ Kobeite-(Y)(Y,U)(Ti,Nb)2(O,OH)6 (?)
Oβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Oβ“˜ PerovskiteCaTiO3
Oβ“˜ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Oβ“˜ SpinelMgAl2O4
Oβ“˜ ThorianiteThO2
Oβ“˜ ThoriteTh(SiO4)
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ ZirconoliteCaZrTi2O7
Oβ“˜ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Oβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Oβ“˜ OxycalciobetafiteCa2(Ti,Nb)2O6O
Oβ“˜ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
FFluorine
Fβ“˜ FluoriteCaF2
Fβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Naβ“˜ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
MgMagnesium
Mgβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Mgβ“˜ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Mgβ“˜ SpinelMgAl2O4
Mgβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Mgβ“˜ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
AlAluminium
Alβ“˜ HercyniteFe2+Al2O4
Alβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Alβ“˜ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Alβ“˜ SpinelMgAl2O4
Alβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Alβ“˜ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Alβ“˜ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
SiSilicon
Siβ“˜ GugiaiteCa2Be[Si2O7]
Siβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Siβ“˜ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Siβ“˜ ThoriteTh(SiO4)
Siβ“˜ TitaniteCaTi(SiO4)O
Siβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Siβ“˜ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
PPhosphorus
Pβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kβ“˜ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Kβ“˜ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
CaCalcium
Caβ“˜ FluoriteCaF2
Caβ“˜ GugiaiteCa2Be[Si2O7]
Caβ“˜ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Caβ“˜ PerovskiteCaTiO3
Caβ“˜ Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Caβ“˜ ZirconoliteCaZrTi2O7
Caβ“˜ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Caβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Caβ“˜ OxycalciobetafiteCa2(Ti,Nb)2O6O
Caβ“˜ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
TiTitanium
Tiβ“˜ IlmeniteFe2+TiO3
Tiβ“˜ Kobeite-(Y)(Y,U)(Ti,Nb)2(O,OH)6 (?)
Tiβ“˜ PerovskiteCaTiO3
Tiβ“˜ TitaniteCaTi(SiO4)O
Tiβ“˜ ZirconoliteCaZrTi2O7
Tiβ“˜ OxycalciobetafiteCa2(Ti,Nb)2O6O
FeIron
Feβ“˜ HercyniteFe2+Al2O4
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Feβ“˜ Potassic-ferro-sadanagaite{K}{Ca2}{Fe32+Al2}(Al3Si5O22)(OH)2
Feβ“˜ Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe23+}(Al3Si5O22)(OH)2
YYttrium
Yβ“˜ Kobeite-(Y)(Y,U)(Ti,Nb)2(O,OH)6 (?)
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)
Zrβ“˜ ZirconoliteCaZrTi2O7
NbNiobium
Nbβ“˜ Kobeite-(Y)(Y,U)(Ti,Nb)2(O,OH)6 (?)
Nbβ“˜ OxycalciobetafiteCa2(Ti,Nb)2O6O
ThThorium
Thβ“˜ ThorianiteThO2
Thβ“˜ ThoriteTh(SiO4)
UUranium
Uβ“˜ Kobeite-(Y)(Y,U)(Ti,Nb)2(O,OH)6 (?)

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Yugeshima
Wikidata ID:Q11487067
GeoNames ID:1848109

Localities in this Region

Japan

Other Regions, Features and Areas that Intersect

Amur PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Shimazaki, Hidehiko, Bunno, Michiaki, Ozawa, Tohru (1984) Sadanagaite and magnesio-sadanagaite, new silica-poor members of calcic amphibole from Japan. American Mineralogist, 69 (5-6) 465-471
Hawthorne, F. C., Oberti, R., Harlow, G. E., Maresch, W. V., Martin, R. F., Schumacher, J. C., Welch, M. D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist, 97 (11) 2031-2048 doi:10.2138/am.2012.4276
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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