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Irazuyama (Iratsuyama), Doi, Shikokuchuo City, Ehime Prefecture, Shikoku Island, Japan

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 33° North , 133° East (est.)
Margin of Error:~1km
Köppen climate type:Cfa : Humid subtropical climate


Mica schist, quartz schist, talc schist and amphibolites. A variety of amphiboles have been reported from here, but some of these may need to be reanalyzed and redefined.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


23 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Arfvedsonite
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Reference: Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
Barroisite
Formula: ☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Reference: Christophe Boutry collection
Braunite
Formula: Mn2+Mn3+6(SiO4)O8
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
Brugnatellite
Formula: Mg6Fe3+(CO3)(OH)13 · 4H2O
Reference: Handbook of Mineralogy
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Description: 1cm crystals.
Gedrite
Formula: ☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Hollandite
Formula: Ba(Mn4+6Mn3+2)O16
Reference: Okamoto collection (curated at the Geological Survey museum, Japan)
Ilmenite
Formula: Fe2+TiO3
Reference: Masutomi Museum specimens, Kyoto
Katophorite
Formula: {Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Reference: S. Matsubara, "The Mineral Species of Japan" (Koubutsu Joho, 2002)
Kyanite
Formula: Al2(SiO4)O
Reference: (Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
Magnesio-arfvedsonite
Formula: {Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Reference: Forrest Cureton specimens; Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Magnesite
Formula: MgCO3
Reference: (Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan); Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Muscovite var: Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
Reference: Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Omphacite
Formula: (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Reference: Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Paragonite
Formula: NaAl2(AlSi3O10)(OH)2
Reference: Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Piemontite
Formula: {Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Reference: Introduction to Japanese Minerals (Geological Survey of Japan, 1970); Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
Pyrope
Formula: Mg3Al2(SiO4)3
Reference: Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Quartz
Formula: SiO2
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
Rutile
Formula: TiO2
Reference: Masutomi Museum specimens, Kyoto; Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Szaibélyite
Formula: MgBO2(OH)
Reference: Minakawa (1977) Chigaku Kenkyu, 28, 51-54.
Talc
Formula: Mg3Si4O10(OH)2
Reference: Introduction to Japanese Minerals (Geological Survey of Japan, 1970)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Hollandite4.DK.05aBa(Mn4+6Mn3+2)O16
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
'Brugnatellite'5.DA.45Mg6Fe3+(CO3)(OH)13 · 4H2O
Magnesite5.AB.05MgCO3
Group 6 - Borates
Szaibélyite6.BA.15MgBO2(OH)
Group 9 - Silicates
'Actinolite'9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Almandine'9.AD.25Fe2+3Al2(SiO4)3
'Arfvedsonite'9.DE.25[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
'Barroisite'9.DE.20☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
'Braunite'9.AG.05Mn2+Mn3+6(SiO4)O8
'Clinochlore'9.EC.55Mg5Al(AlSi3O10)(OH)8
Gedrite9.DD.05☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Katophorite9.DE.20{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Kyanite9.AF.15Al2(SiO4)O
Magnesio-arfvedsonite9.DE.25{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Fuchsite9.EC.15K(Al,Cr)3Si3O10(OH)2
Omphacite9.DA.20(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Paragonite9.EC.15NaAl2(AlSi3O10)(OH)2
Piemontite9.BG.05{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Pyrope9.AD.25Mg3Al2(SiO4)3
Talc9.EC.05Mg3Si4O10(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
(AB)2X3
Braunite7.5.1.3Mn2+Mn3+6(SiO4)O8
AB8X16
Hollandite7.9.1.1Ba(Mn4+6Mn3+2)O16
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Magnesite14.1.1.2MgCO3
Group 16b - HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
Brugnatellite16b.7.5.1Mg6Fe3+(CO3)(OH)13 · 4H2O
Group 25 - ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
Diborates
Szaibélyite25.2.1.2MgBO2(OH)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Pyrope51.4.3a.1Mg3Al2(SiO4)3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Kyanite52.2.2c.1Al2(SiO4)O
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)
Piemontite58.2.1a.11{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Omphacite65.1.3b.1(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Gedrite66.1.2.5☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Katophorite66.1.3b.11{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Paragonite71.2.2a.2NaAl2(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Arfvedsonite-[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Barroisite-☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Magnesio-arfvedsonite-{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Muscovite
var: Fuchsite
-K(Al,Cr)3Si3O10(OH)2

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
H Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
H BrugnatelliteMg6Fe3+(CO3)(OH)13 · 4H2O
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
H Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
H Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
H Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H ParagoniteNaAl2(AlSi3O10)(OH)2
H Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
H SzaibélyiteMgBO2(OH)
H TalcMg3Si4O10(OH)2
BBoron
B SzaibélyiteMgBO2(OH)
CCarbon
C BrugnatelliteMg6Fe3+(CO3)(OH)13 · 4H2O
C MagnesiteMgCO3
OOxygen
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O AlmandineFe32+Al2(SiO4)3
O Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
O Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
O BrauniteMn2+Mn63+(SiO4)O8
O BrugnatelliteMg6Fe3+(CO3)(OH)13 · 4H2O
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
O Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
O HollanditeBa(Mn64+Mn23+)O16
O IlmeniteFe2+TiO3
O Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
O KyaniteAl2(SiO4)O
O Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
O MagnesiteMgCO3
O MuscoviteKAl2(AlSi3O10)(OH)2
O Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
O ParagoniteNaAl2(AlSi3O10)(OH)2
O Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
O PyropeMg3Al2(SiO4)3
O QuartzSiO2
O RutileTiO2
O SzaibélyiteMgBO2(OH)
O TalcMg3Si4O10(OH)2
NaSodium
Na Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Na Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Na Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Na Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Na Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Na ParagoniteNaAl2(AlSi3O10)(OH)2
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Mg BrugnatelliteMg6Fe3+(CO3)(OH)13 · 4H2O
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Mg Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Mg Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Mg MagnesiteMgCO3
Mg Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Mg PyropeMg3Al2(SiO4)3
Mg SzaibélyiteMgBO2(OH)
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al AlmandineFe32+Al2(SiO4)3
Al Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
Al Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Al Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Al KyaniteAl2(SiO4)O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Al ParagoniteNaAl2(AlSi3O10)(OH)2
Al Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Al PyropeMg3Al2(SiO4)3
SiSilicon
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si AlmandineFe32+Al2(SiO4)3
Si Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Si Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Si BrauniteMn2+Mn63+(SiO4)O8
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
Si Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Si Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Si KyaniteAl2(SiO4)O
Si Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Si ParagoniteNaAl2(AlSi3O10)(OH)2
Si Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Si PyropeMg3Al2(SiO4)3
Si QuartzSiO2
Si TalcMg3Si4O10(OH)2
KPotassium
K Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Ca Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Ca Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Ca Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
TiTitanium
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
CrChromium
Cr Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
MnManganese
Mn BrauniteMn2+Mn63+(SiO4)O8
Mn HollanditeBa(Mn64+Mn23+)O16
Mn Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe AlmandineFe32+Al2(SiO4)3
Fe Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Fe BrugnatelliteMg6Fe3+(CO3)(OH)13 · 4H2O
Fe IlmeniteFe2+TiO3
Fe Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Fe Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
BaBarium
Ba HollanditeBa(Mn64+Mn23+)O16

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