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Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Ogasawara Subprefecture, Tokyo Metropolis, Japani
Regional Level Types
Chichi Island (Chichijima)Island
Chichijima Group- not defined -
Ogasawara IslandsGroup of Islands
Ogasawara SubprefectureSubprefecture
Tokyo MetropolisPrefecture
JapanCountry

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PhotosMapsSearch
07084950017272062798665.jpg
Heulandite-Ca

Chichi Island, Chichijima Group, Ogasawara Islands, Ogasawara Subprefecture, Tokyo Metropolis, Japan
00585420017272062801829.jpg
Heulandite-Ca

Chichi Island, Chichijima Group, Ogasawara Islands, Ogasawara Subprefecture, Tokyo Metropolis, Japan
04138070017272062801515.jpg
Erionite-Ca

Chichi Island, Chichijima Group, Ogasawara Islands, Ogasawara Subprefecture, Tokyo Metropolis, Japan
07084950017272062798665.jpg
Heulandite-Ca

Chichi Island, Chichijima Group, Ogasawara Islands, Ogasawara Subprefecture, Tokyo Metropolis, Japan
00585420017272062801829.jpg
Heulandite-Ca

Chichi Island, Chichijima Group, Ogasawara Islands, Ogasawara Subprefecture, Tokyo Metropolis, Japan
04138070017272062801515.jpg
Erionite-Ca

Chichi Island, Chichijima Group, Ogasawara Islands, Ogasawara Subprefecture, Tokyo Metropolis, Japan
07084950017272062798665.jpg
Heulandite-Ca

Chichi Island, Chichijima Group, Ogasawara Islands, Ogasawara Subprefecture, Tokyo Metropolis, Japan
00585420017272062801829.jpg
Heulandite-Ca

Chichi Island, Chichijima Group, Ogasawara Islands, Ogasawara Subprefecture, Tokyo Metropolis, Japan
Type:
Island
Mindat Locality ID:
32063
Long-form identifier:
mindat:1:2:32063:3
GUID (UUID V4):
0


Amygdaloidal andesitic volcanics. Politically belongs to Tokyo Prefecture, although it lies in the Pacific Ocean far south of Honshu Island (where the city of Tokyo itself is located), about 1,000 km SSE of Tokyo city. Type locality for the volcanic rock type "boninite". Nature protected area.

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.

Detailed Mineral List:

ⓘ 'Apophyllite Group'
Formula: AB4[Si8O22]X · 8H2O
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Calcite
Formula: CaCO3
ⓘ Celadonite
Formula: K(MgFe3+◻)(Si4O10)(OH)2
ⓘ 'Chabazite'
ⓘ 'Clay minerals'
ⓘ Clinoenstatite
Formula: MgSiO3
ⓘ 'Clinoptilolite Subgroup'
Formula: (Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
ⓘ 'Dachiardite Subgroup'
ⓘ Erionite-Ca
Formula: (Ca,K2,Na2)2[Al4Si14O36] · 15H2O
ⓘ 'Erionite Subgroup'
Formula: M2[Al4Si14O36] · 15H2O
ⓘ Fluorapophyllite-(K)
Formula: KCa4(Si8O20)(F,OH) · 8H2O
ⓘ Forsterite
Formula: Mg2SiO4
ⓘ Heulandite-Ca
Formula: (Ca,Na)5(Si27Al9)O72 · 26H2O
ⓘ Heulandite-Na
Formula: (Na,Ca,K)6(Si,Al)36O72 · 22H2O
ⓘ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Localities: Reported from at least 9 localities in this region.
ⓘ Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
ⓘ Okenite
Formula: Ca10Si18O46 · 18H2O
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Phillipsite-Ca
Formula: Ca3(Si10Al6)O32 · 12H2O
ⓘ 'Phillipsite Subgroup'
Formula: (Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 9 localities in this region.
ⓘ Quartz var. Chalcedony
Formula: SiO2
Localities: Reported from at least 9 localities in this region.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz
var. Chalcedony		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2SiO4
ⓘClinoenstatite9.DA.10MgSiO3
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘFluorapophyllite-(K)9.EA.15KCa4(Si8O20)(F,OH) · 8H2O
ⓘOkenite9.EA.40Ca10Si18O46 · 18H2O
ⓘCeladonite9.EC.15K(MgFe3+◻)(Si4O10)(OH)2
ⓘPhillipsite-Ca9.GC.10Ca3(Si10Al6)O32 · 12H2O
ⓘErionite-Ca9.GD.20(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
ⓘMordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
ⓘHeulandite-Ca9.GE.05(Ca,Na)5(Si27Al9)O72 · 26H2O
ⓘHeulandite-Na9.GE.05(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Unclassified
ⓘ'Apophyllite Group'-AB4[Si8O22]X · 8H2O
ⓘ'Chabazite'-
ⓘ'Clay minerals'-
ⓘ'Clinoptilolite Subgroup'-(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
ⓘ'Dachiardite Subgroup'-
ⓘ'Erionite Subgroup'-M2[Al4Si14O36] · 15H2O
ⓘ'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ'Phillipsite Subgroup'-(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O

List of minerals for each chemical element

HHydrogen
Hⓘ Apophyllite GroupAB4[Si8O22]X · 8H2O
Hⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Hⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Hⓘ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Hⓘ Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Hⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Hⓘ OkeniteCa10Si18O46 · 18H2O
Hⓘ OpalSiO2 · nH2O
Hⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Hⓘ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Hⓘ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Hⓘ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Hⓘ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Apophyllite GroupAB4[Si8O22]X · 8H2O
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ CalciteCaCO3
Oⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ClinoenstatiteMgSiO3
Oⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Oⓘ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Oⓘ Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Oⓘ ForsteriteMg2SiO4
Oⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Oⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Oⓘ OkeniteCa10Si18O46 · 18H2O
Oⓘ OpalSiO2 · nH2O
Oⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Oⓘ QuartzSiO2
Oⓘ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Oⓘ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Oⓘ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Oⓘ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
FFluorine
Fⓘ Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
NaSodium
Naⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Naⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Naⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Naⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Naⓘ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Naⓘ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Naⓘ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Mgⓘ ClinoenstatiteMgSiO3
Mgⓘ ForsteriteMg2SiO4
AlAluminium
Alⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Alⓘ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Alⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Alⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Alⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Alⓘ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Alⓘ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Alⓘ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Alⓘ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
SiSilicon
Siⓘ Apophyllite GroupAB4[Si8O22]X · 8H2O
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ ClinoenstatiteMgSiO3
Siⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Siⓘ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Siⓘ Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Siⓘ ForsteriteMg2SiO4
Siⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Siⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Siⓘ OkeniteCa10Si18O46 · 18H2O
Siⓘ OpalSiO2 · nH2O
Siⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Siⓘ QuartzSiO2
Siⓘ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Siⓘ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Siⓘ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Siⓘ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
SSulfur
Sⓘ PyriteFeS2
KPotassium
Kⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Kⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Kⓘ Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Kⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Kⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Kⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Kⓘ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Kⓘ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
CaCalcium
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ CalciteCaCO3
Caⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Caⓘ Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Caⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Caⓘ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Caⓘ OkeniteCa10Si18O46 · 18H2O
Caⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Caⓘ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Caⓘ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Caⓘ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Caⓘ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
FeIron
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Feⓘ PyriteFeS2
BaBarium
Baⓘ Phillipsite Subgroup(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O

Fossils

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

Localities in this Region

Japan
Japan

Other Regions, Features and Areas that Intersect

Eurasian Plate
Philippine Sea 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.
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