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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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Type:
Island
Mindat Locality ID:
32063
Long-form identifier:
mindat:1:2:32063:3
GUID (UUID V4):
5d3e4c7c-58da-4221-a29a-3069f6dce8a9


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:

β“˜ 'Apophyllite Group'
Formula: AB4[Si8O22]X · 8H2O
β“˜ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
β“˜ Calcite
Formula: CaCO3
β“˜ Celadonite
Formula: K(MgFe3+◻)(Si4O10)(OH)2
β“˜ 'Chabazite'
β“˜ 'Clay minerals'
β“˜ Clinoenstatite
Formula: MgSiO3
β“˜ 'Clinoptilolite Subgroup'
Formula: M3-6(Si30Al6)O72 · 20H2O
β“˜ 'Dachiardite Subgroup'
β“˜ Erionite-Ca
Formula: (Ca,K2,Na2)2[Al4Si14O36] · 15H2O
β“˜ 'Erionite Subgroup'
Formula: M2[Al4Si14O36] · 15H2O
β“˜ Fluorapophyllite-(K)
Formula: KCa4(Si8O20)(F,OH) · 8H2O
β“˜ Forsterite
Formula: Mg2SiO4
β“˜ Heulandite-Ca
Formula: (Ca,Na)5(Si27Al9)O72 · 26H2O
β“˜ Heulandite-Na
Formula: (Na,Ca,K)6(Si,Al)36O72 · 22H2O
β“˜ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Localities: Reported from at least 9 localities in this region.
β“˜ Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
β“˜ Okenite
Formula: Ca10Si18O46 · 18H2O
β“˜ Opal
Formula: SiO2 · nH2O
β“˜ Phillipsite-Ca
Formula: Ca3(Si10Al6)O32 · 12H2O
β“˜ 'Phillipsite Subgroup'
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
Localities: Reported from at least 9 localities in this region.
β“˜ Quartz var. Chalcedony
Formula: SiO2
Localities: Reported from at least 9 localities in this region.

Gallery:

(Ca,Na)5(Si27Al9)O72 · 26H2Oβ“˜ Heulandite-Ca
Ca3(Si10Al6)O32 · 12H2Oβ“˜ Phillipsite-Ca

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
β“˜Quartz4.DA.05SiO2
β“˜var. Chalcedony4.DA.05SiO2
β“˜Opal4.DA.10SiO2 Β· nH2O
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 9 - Silicates
β“˜Forsterite9.AC.05Mg2SiO4
β“˜Clinoenstatite9.DA.10MgSiO3
β“˜Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
β“˜Fluorapophyllite-(K)9.EA.15KCa4(Si8O20)(F,OH) Β· 8H2O
β“˜Okenite9.EA.40Ca10Si18O46 Β· 18H2O
β“˜Celadonite9.EC.15K(MgFe3+β—»)(Si4O10)(OH)2
β“˜Phillipsite-Ca9.GC.10Ca3(Si10Al6)O32 Β· 12H2O
β“˜Erionite-Ca9.GD.20(Ca,K2,Na2)2[Al4Si14O36] Β· 15H2O
β“˜Mordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 Β· 28H2O
β“˜Heulandite-Ca9.GE.05(Ca,Na)5(Si27Al9)O72 Β· 26H2O
β“˜Heulandite-Na9.GE.05(Na,Ca,K)6(Si,Al)36O72 Β· 22H2O
Unclassified
β“˜'Erionite Subgroup'-M2[Al4Si14O36] Β· 15H2O
β“˜'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] Β· nH2O
β“˜'Dachiardite Subgroup'-
β“˜'Clinoptilolite Subgroup'-M3-6(Si30Al6)O72 Β· 20H2O
β“˜'Phillipsite Subgroup'-
β“˜'Clay minerals'-
β“˜'Chabazite'-
β“˜'Apophyllite Group'-AB4[Si8O22]X Β· 8H2O

List of minerals for each chemical element

HHydrogen
Hβ“˜ Apophyllite GroupAB4[Si8O22]X · 8H2O
Hβ“˜ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Hβ“˜ Clinoptilolite SubgroupM3-6(Si30Al6)O72 · 20H2O
Hβ“˜ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Hβ“˜ Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Hβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hβ“˜ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Hβ“˜ OkeniteCa10Si18O46 · 18H2O
Hβ“˜ OpalSiO2 · nH2O
Hβ“˜ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Hβ“˜ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Hβ“˜ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Hβ“˜ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ Apophyllite GroupAB4[Si8O22]X · 8H2O
Oβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oβ“˜ CalciteCaCO3
Oβ“˜ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Oβ“˜ Quartz var. ChalcedonySiO2
Oβ“˜ ClinoenstatiteMgSiO3
Oβ“˜ Clinoptilolite SubgroupM3-6(Si30Al6)O72 · 20H2O
Oβ“˜ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Oβ“˜ Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Oβ“˜ ForsteriteMg2SiO4
Oβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Oβ“˜ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Oβ“˜ OkeniteCa10Si18O46 · 18H2O
Oβ“˜ OpalSiO2 · nH2O
Oβ“˜ QuartzSiO2
Oβ“˜ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Oβ“˜ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Oβ“˜ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Oβ“˜ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
FFluorine
Fβ“˜ Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
NaSodium
Naβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Naβ“˜ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Naβ“˜ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Naβ“˜ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Naβ“˜ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
MgMagnesium
Mgβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgβ“˜ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Mgβ“˜ ClinoenstatiteMgSiO3
Mgβ“˜ ForsteriteMg2SiO4
AlAluminium
Alβ“˜ Clinoptilolite SubgroupM3-6(Si30Al6)O72 · 20H2O
Alβ“˜ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Alβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Alβ“˜ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Alβ“˜ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Alβ“˜ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Alβ“˜ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Alβ“˜ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
SiSilicon
Siβ“˜ Apophyllite GroupAB4[Si8O22]X · 8H2O
Siβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siβ“˜ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Siβ“˜ Quartz var. ChalcedonySiO2
Siβ“˜ ClinoenstatiteMgSiO3
Siβ“˜ Clinoptilolite SubgroupM3-6(Si30Al6)O72 · 20H2O
Siβ“˜ Erionite SubgroupM2[Al4Si14O36] · 15H2O
Siβ“˜ Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Siβ“˜ ForsteriteMg2SiO4
Siβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Siβ“˜ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Siβ“˜ OkeniteCa10Si18O46 · 18H2O
Siβ“˜ OpalSiO2 · nH2O
Siβ“˜ QuartzSiO2
Siβ“˜ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Siβ“˜ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Siβ“˜ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Siβ“˜ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
SSulfur
Sβ“˜ PyriteFeS2
KPotassium
Kβ“˜ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Kβ“˜ Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Kβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Kβ“˜ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Kβ“˜ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Kβ“˜ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
CaCalcium
Caβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caβ“˜ CalciteCaCO3
Caβ“˜ Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Caβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Caβ“˜ Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Caβ“˜ OkeniteCa10Si18O46 · 18H2O
Caβ“˜ Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Caβ“˜ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Caβ“˜ Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
Caβ“˜ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
FeIron
Feβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feβ“˜ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Feβ“˜ PyriteFeS2

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

Philippine Sea PlateTectonic Plate

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