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Iwagi Island, Ochi District, Ehime Prefecture, Japani
Regional Level Types
Iwagi IslandIsland
Ochi DistrictDistrict
Ehime PrefecturePrefecture
JapanCountry

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PhotosMapsSearch
01088130015373947454175.jpg
Sugilite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
01537590014948389291399.jpg
Katayamalite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
02594260014948389328735.jpg
Aegirine, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
09041540014947832367878.jpg
Sugilite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
06614930014947212211361.jpg
Katayamalite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
05620230014986724743739.jpg
Aegirine, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
09041540014947832367878.jpg
Sugilite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
01537590014948389291399.jpg
Katayamalite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
Type:
Island
Mindat Locality ID:
2178
Long-form identifier:
mindat:1:2:2178:7
GUID (UUID V4):
4f13cda8-14da-4656-a890-cbeb185ac377
Other Languages:
View 2 more...
Japanese:
岩城島, 越智郡, 愛媛県, 日本
Russian:
остров Иваги, Округ Ойчи, Эхиме, Япония
Simplified Chinese:
岩城岛, 越智郡, 爱媛县, 日本
Cebuano:
Iwagi Shima, Ochi-gun, Ehime-ken, Hapon
Dutch:
Iwagi Island, Ochi District, Ehime, Japan


Iwagi-jima (Japanese: 岩城島) is an island in Japan's Seto Inland Sea. It is located in Kamijima on the northern border of Ehime Prefecture.

Iwagi-jima is part of the Geiyo Islands. The island has an area of ​​8.95 km² and a circumference of 30.2 km. The highest point is Sekizen-zan (菰隠崎) in the center of the island with a height of 369.6 m. At the southern end of the island is Cape Komokakushi (菰隠崎).

The neighboring islands are Ikina-jima (生名島) in the east, Akahone-jima (赤穂根島) in the south, Hakata-jima (伯方島) in the southwest and Ikuchi-jima (生口島) in the northwest. There is a bridge connection to Ikinajima.

Loose blocks of aegirine-syenite in an orange orchard. Collecting prohibited.

The Iwagi Islet contains metasomatic rocks which are the type locality of four Li-bearing minerals. The metasomatic rocks in the area are classified
into the following types based on the major mineral assemblage, from the initial host rock to the inner part of metasomatism:

(1) the original coarse-grained granite (quartz + microcline + plagioclase + biotite),

(2) albitized granite (microcline + albite + quartz + biotite ± aegirine ± ferro-ferriholmquistite),

(3) quartz albitite (albite + quartz + microcline + aegirine),

(4) hedenbergite albitite (albite + quartz + microcline + hedenbergite + andradite),

(5) sugilite albitite (albite + sugilite + aegirine-augite),

(6) katayamalite albitite (albite + aegirine augite + katayamalite + sugilite); and

(7) murakamiite-bearing albitite (albite + sugilite + aegirine augite + murakamiite + pectolite + katayamalite)

These types of metasomatic alteration occur on the scale of centimeters to meters (Nagashima et al., 2022).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

21 valid minerals. 4 (TL) - type locality of valid minerals.

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:

ⓘ Aegirine
Formula: NaFe3+Si2O6
ⓘ Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘ Andradite
Formula: Ca3Fe3+2(SiO4)3
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Baratovite ?
Formula: KCa7(Ti,Zr)2Li3Si12O36F2
Description: (See note on species page for Katayamalite.)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Dalyite
Formula: K2ZrSi6O15
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Feldspar Group'
ⓘ Ferro-ferri-holmquistite (TL)
Formula: ◻{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2
Type Locality:
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Hedenbergite
Formula: CaFe2+Si2O6
ⓘ Katayamalite (TL)
Formula: KLi3Ca7Ti2(SiO3)12(OH)2
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Murakamiite (TL)
Formula: LiCa2Si3O8(OH)
ⓘ Pectolite
Formula: NaCa2Si3O8(OH)
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Quartz
Formula: SiO2
ⓘ Sugilite (TL)
Formula: KNa2Fe3+2Li3[Si12O30]
Colour: brownish-green to brownish-yellow
Description: Iwagi Islet is the type locality for sugilite, which shows brownish-green to brownish-yellow color and is rich in Fe and poor in Al (Murakami et al., 2020). The Mn^2O^3 content is negligible. According to the average composition resulting from the analyses performed by Nagashima et al. (2020), the chemical formula is K^1^.^02(Na^1^.^97Ca^0^.^01)^61^.^98(Fe#3+#^1^.^52Al^0^.^36Ti^0^.^08)^61^.^98Li^3^.^05Si^12O^30.
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ Zektzerite
Formula: LiNaZrSi6O15
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

NaFe3+Si2O6ⓘ Aegirine
trans.png
Aegirine, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Aegirine, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Aegirine, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Aegirine, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Aegirine, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Aegirine, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
KLi3Ca7Ti2(SiO3)12(OH)2ⓘ Katayamalite (TL)
trans.png
Katayamalite

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Katayamalite

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Katayamalite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Katayamalite

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Katayamalite

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Katayamalite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Katayamalite

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Katayamalite

Iwagi Island, Ochi District, Ehime Prefecture, Japan
KNa2Fe3+2Li3[Si12O30]ⓘ Sugilite (TL)
trans.png
Sugilite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Sugilite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Sugilite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Sugilite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Sugilite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Sugilite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Sugilite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan
trans.png
Sugilite, etc.

Iwagi Island, Ochi District, Ehime Prefecture, Japan

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘAndradite9.AD.25Ca3Fe3+2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘAllanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘKatayamalite (TL)9.CJ.25KLi3Ca7Ti2(SiO3)12(OH)2
ⓘBaratovite ?9.CJ.25KCa7(Ti,Zr)2Li3Si12O36F2
ⓘSugilite (TL)9.CM.05KNa2Fe3+2Li3[Si12O30]
ⓘHedenbergite9.DA.15CaFe2+Si2O6
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘAegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘFerro-ferri-holmquistite (TL)9.DD.05◻{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2
ⓘPectolite9.DG.05NaCa2Si3O8(OH)
ⓘMurakamiite (TL)9.DG.05LiCa2Si3O8(OH)
ⓘZektzerite9.DN.05LiNaZrSi6O15
ⓘDalyite9.EA.25K2ZrSi6O15
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Feldspar Group'-
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ PectoliteNaCa2Si3O8(OH)
Hⓘ KatayamaliteKLi3Ca7Ti2(SiO3)12(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Hⓘ Ferro-ferri-holmquistite◻{Li2}{Fe32+Fe23+}(Si8O22)(OH)2
Hⓘ MurakamiiteLiCa2Si3O8(OH)
LiLithium
Liⓘ BaratoviteKCa7(Ti,Zr)2Li3Si12O36F2
Liⓘ SugiliteKNa2Fe23+Li3[Si12O30]
Liⓘ ZektzeriteLiNaZrSi6O15
Liⓘ KatayamaliteKLi3Ca7Ti2(SiO3)12(OH)2
Liⓘ Ferro-ferri-holmquistite◻{Li2}{Fe32+Fe23+}(Si8O22)(OH)2
Liⓘ MurakamiiteLiCa2Si3O8(OH)
OOxygen
Oⓘ AegirineNaFe3+Si2O6
Oⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Oⓘ AndraditeCa3Fe23+(SiO4)3
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ BaratoviteKCa7(Ti,Zr)2Li3Si12O36F2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ DalyiteK2ZrSi6O15
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ HedenbergiteCaFe2+Si2O6
Oⓘ MicroclineK(AlSi3O8)
Oⓘ PectoliteNaCa2Si3O8(OH)
Oⓘ QuartzSiO2
Oⓘ SugiliteKNa2Fe23+Li3[Si12O30]
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ ZektzeriteLiNaZrSi6O15
Oⓘ ZirconZr(SiO4)
Oⓘ KatayamaliteKLi3Ca7Ti2(SiO3)12(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ Ferro-ferri-holmquistite◻{Li2}{Fe32+Fe23+}(Si8O22)(OH)2
Oⓘ MurakamiiteLiCa2Si3O8(OH)
FFluorine
Fⓘ BaratoviteKCa7(Ti,Zr)2Li3Si12O36F2
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AegirineNaFe3+Si2O6
Naⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ PectoliteNaCa2Si3O8(OH)
Naⓘ SugiliteKNa2Fe23+Li3[Si12O30]
Naⓘ ZektzeriteLiNaZrSi6O15
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ MicroclineK(AlSi3O8)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ AegirineNaFe3+Si2O6
Siⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Siⓘ AndraditeCa3Fe23+(SiO4)3
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ BaratoviteKCa7(Ti,Zr)2Li3Si12O36F2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ DalyiteK2ZrSi6O15
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ HedenbergiteCaFe2+Si2O6
Siⓘ MicroclineK(AlSi3O8)
Siⓘ PectoliteNaCa2Si3O8(OH)
Siⓘ QuartzSiO2
Siⓘ SugiliteKNa2Fe23+Li3[Si12O30]
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ ZektzeriteLiNaZrSi6O15
Siⓘ ZirconZr(SiO4)
Siⓘ KatayamaliteKLi3Ca7Ti2(SiO3)12(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Ferro-ferri-holmquistite◻{Li2}{Fe32+Fe23+}(Si8O22)(OH)2
Siⓘ MurakamiiteLiCa2Si3O8(OH)
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BaratoviteKCa7(Ti,Zr)2Li3Si12O36F2
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ DalyiteK2ZrSi6O15
Kⓘ MicroclineK(AlSi3O8)
Kⓘ SugiliteKNa2Fe23+Li3[Si12O30]
Kⓘ KatayamaliteKLi3Ca7Ti2(SiO3)12(OH)2
CaCalcium
Caⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Caⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Caⓘ AndraditeCa3Fe23+(SiO4)3
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ BaratoviteKCa7(Ti,Zr)2Li3Si12O36F2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ HedenbergiteCaFe2+Si2O6
Caⓘ PectoliteNaCa2Si3O8(OH)
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ KatayamaliteKLi3Ca7Ti2(SiO3)12(OH)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Caⓘ MurakamiiteLiCa2Si3O8(OH)
TiTitanium
Tiⓘ BaratoviteKCa7(Ti,Zr)2Li3Si12O36F2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ TitaniteCaTi(SiO4)O
Tiⓘ KatayamaliteKLi3Ca7Ti2(SiO3)12(OH)2
FeIron
Feⓘ AegirineNaFe3+Si2O6
Feⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Feⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Feⓘ AndraditeCa3Fe23+(SiO4)3
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HedenbergiteCaFe2+Si2O6
Feⓘ SugiliteKNa2Fe23+Li3[Si12O30]
Feⓘ Ferro-ferri-holmquistite◻{Li2}{Fe32+Fe23+}(Si8O22)(OH)2
ZrZirconium
Zrⓘ BaratoviteKCa7(Ti,Zr)2Li3Si12O36F2
Zrⓘ DalyiteK2ZrSi6O15
Zrⓘ ZektzeriteLiNaZrSi6O15
Zrⓘ ZirconZr(SiO4)
CeCerium
Ceⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)

Fossils

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

Other Databases

Wikipedia:https://de.wikipedia.org/wiki/Iwagi-jima
Wikidata ID:Q11474307
GeoNames ID:1861231

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

Murakami, Nobuhide, Kato, Toshio, Miúra, Yasunori, Hirowatari, Fumitoshi (1976) Sugilite, a new silicate mineral from Iwagi Islet, Southwest Japan. Mineralogical Journal, 8 (2) 110-121 doi:10.2465/minerj.8.110
Murakami, Nobuhide, Kato, Toshio, Hirowatari, Fumitoshi (1983) Katayamalite, a new Ca-Li-Ti silicate mineral from Iwagi Islet, Southwest Japan. Mineralogical Journal, 11 (6) 261-268 doi:10.2465/minerj.11.261
Imaoka, Teruyoshi, Nagashima, Mariko, Kano, Takashi, Kimura, Jun-Ichi, Chang, Qing, Fukuda, Chihiro (2017) Murakamiite, LiCa2Si3O8(OH), a Li-analogue of pectolite, from the Iwagi Islet, southwest Japan. European Journal of Mineralogy, 29 (6) 1045-1053 doi:10.1127/ejm/2017/0029-2675
Nagashima, Mariko, Fukuda, Chihiro, Matsumoto, Takashi, Imaoka, Teruyoshi, Odicino, Gianluca, Armellino, Gianluca (2020) Aluminosugilite, KNa2Al2Li3Si12O30, an Al analogue of sugilite, from the Cerchiara mine, Liguria, Italy. European Journal of Mineralogy, 32 (1) 57-66 doi:10.5194/ejm-32-57-2020
Imaoka, T., Kimura, J-I., Chang, Q., Ishikawa, T., Nagashima, M., Takeshita, N. (2021): Chemical and lithium isotope characteristics of murakamiite and Li–rich pectolite from Iwagi Islet, Southwest Japan. Journal of Mineralogical and Petrological Sciences: 116 (in press).
Nagashima, Mariko, Imaoka, Teruyoshi, Kano, Takashi, Kimura, Jun-ichi, Chang, Qing, Matsumoto, Takashi (2022) Ferro-ferri-holmquistite, □Li2(Fe2+3Fe3+2)Si8O22(OH)2, Fe2+Fe3+ analogue of holmquistite, from the Iwagi islet, Ehime, Japan. European Journal of Mineralogy, 34 (5) 425-438 doi:10.5194/ejm-34-425-2022
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