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Kiyokawa mine, Okutama-cho, Nishi-Tama-gun, Tokyo Metropolis, Kanto Region, Honshu Island, Japan

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 35° 48' 37'' North , 139° 7' 24'' East (est.)
Margin of Error:~0km
Locality type:Mine
Köppen climate type:Cfa : Humid subtropical climate


Weakly metamorphosed Jurassic chert-hosted sedimentary manganese ore.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Alleghanyite
Formula: Mn2+5(SiO4)2(OH)2
Reference: 加藤昭, & 松原聰. (1980). 本邦産マンガン硼酸塩鉱物. 鉱物学雜誌, 14(Special3), 86-97.
Bementite
Formula: Mn7Si6O15(OH)8
Reference: N. Aikawa (1987) Journal of Geosciences, Osaka City University, 30, 1-13.
'Chert'
Description: ferruginous
Reference: University of Tokyo collection
Hausmannite
Formula: Mn2+Mn3+2O4
Reference: N. Aikawa (1987) Journal of Geosciences, Osaka City University, 30, 1-13.; 加藤昭, & 松原聰. (1980). 本邦産マンガン硼酸塩鉱物. 鉱物学雜誌, 14(Special3), 86-97.
Jacobsite
Formula: Mn2+Fe3+2O4
Reference: N. Aikawa (1987) Journal of Geosciences, Osaka City University, 30, 1-13.; 加藤昭, & 松原聰. (1980). 本邦産マンガン硼酸塩鉱物. 鉱物学雜誌, 14(Special3), 86-97.
Pyroxmangite
Formula: MnSiO3
Reference: N. Aikawa (1987) Journal of Geosciences, Osaka City University, 30, 1-13.
Quartz
Formula: SiO2
Reference: University of Tokyo collection
Quartz var: Jasper
Reference: University of Tokyo collection
Rhodochrosite
Formula: MnCO3
Reference: N. Aikawa (1987) Journal of Geosciences, Osaka City University, 30, 1-13.; 加藤昭, & 松原聰. (1980). 本邦産マンガン硼酸塩鉱物. 鉱物学雜誌, 14(Special3), 86-97.
Rhodonite
Formula: Mn2+SiO3
Reference: N. Aikawa (1987) Journal of Geosciences, Osaka City University, 30, 1-13.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: N. Aikawa (1987) Journal of Geosciences, Osaka City University, 30, 1-13.
Sussexite
Formula: Mn2+BO2(OH)
Reference: 加藤昭, & 松原聰. (1980). 本邦産マンガン硼酸塩鉱物. 鉱物学雜誌, 14(Special3), 86-97.
Tephroite
Formula: Mn2+2SiO4
Reference: N. Aikawa (1987) Journal of Geosciences, Osaka City University, 30, 1-13.
Wiserite
Formula: (Mn,Mg)14[Cl|(OH)8|(Si,Mg)(O,OH)4|(B2O5)4]
Reference: 加藤昭, & 松原聰. (1980). 本邦産マンガン硼酸塩鉱物. 鉱物学雜誌, 14(Special3), 86-97.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Hausmannite'4.BB.10Mn2+Mn3+2O4
'Jacobsite'4.BB.05Mn2+Fe3+2O4
Quartz4.DA.05SiO2
var: Jasper4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Rhodochrosite5.AB.05MnCO3
Group 6 - Borates
Sussexite6.BA.15Mn2+BO2(OH)
Wiserite6.BA.20(Mn,Mg)14[Cl|(OH)8|(Si,Mg)(O,OH)4|(B2O5)4]
Group 9 - Silicates
'Alleghanyite'9.AF.45Mn2+5(SiO4)2(OH)2
'Bementite'9.EE.05Mn7Si6O15(OH)8
Pyroxmangite9.DO.05MnSiO3
Rhodonite9.DK.05Mn2+SiO3
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Tephroite9.AC.05Mn2+2SiO4
Unclassified Minerals, Rocks, etc.
'Chert'-

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Hausmannite7.2.7.1Mn2+Mn3+2O4
Jacobsite7.2.2.2Mn2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Rhodochrosite14.1.1.4MnCO3
Group 25 - ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
Diborates
Sussexite25.2.1.1Mn2+BO2(OH)
Group 27 - COMPOUND BORATES
Miscellaneous
Wiserite27.1.10.1(Mn,Mg)14[Cl|(OH)8|(Si,Mg)(O,OH)4|(B2O5)4]
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Tephroite51.3.1.4Mn2+2SiO4
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Spessartine51.4.3a.3Mn2+3Al2(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 [6] coordination only
Alleghanyite52.3.2b.1Mn2+5(SiO4)2(OH)2
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=5
Rhodonite65.4.1.1Mn2+SiO3
Single-Width Unbranched Chains, W=1 with chains P=7
Pyroxmangite65.6.1.1MnSiO3
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 78 - Unclassified Silicates
Bementite78.5.2.1Mn7Si6O15(OH)8
Unclassified Minerals, Rocks, etc.
'Chert'-
Quartz
var: Jasper
-SiO2

List of minerals for each chemical element

HHydrogen
H AlleghanyiteMn52+(SiO4)2(OH)2
H BementiteMn7Si6O15(OH)8
H SussexiteMn2+BO2(OH)
H Wiserite(Mn,Mg)14[Cl|(OH)8|(Si,Mg)(O,OH)4|(B2O5)4]
BBoron
B SussexiteMn2+BO2(OH)
B Wiserite(Mn,Mg)14[Cl|(OH)8|(Si,Mg)(O,OH)4|(B2O5)4]
CCarbon
C RhodochrositeMnCO3
OOxygen
O AlleghanyiteMn52+(SiO4)2(OH)2
O BementiteMn7Si6O15(OH)8
O HausmanniteMn2+Mn23+O4
O JacobsiteMn2+Fe23+O4
O PyroxmangiteMnSiO3
O QuartzSiO2
O RhodochrositeMnCO3
O RhodoniteMn2+SiO3
O SpessartineMn32+Al2(SiO4)3
O SussexiteMn2+BO2(OH)
O TephroiteMn22+SiO4
O Wiserite(Mn,Mg)14[Cl|(OH)8|(Si,Mg)(O,OH)4|(B2O5)4]
MgMagnesium
Mg Wiserite(Mn,Mg)14[Cl|(OH)8|(Si,Mg)(O,OH)4|(B2O5)4]
AlAluminium
Al SpessartineMn32+Al2(SiO4)3
SiSilicon
Si AlleghanyiteMn52+(SiO4)2(OH)2
Si BementiteMn7Si6O15(OH)8
Si PyroxmangiteMnSiO3
Si QuartzSiO2
Si RhodoniteMn2+SiO3
Si SpessartineMn32+Al2(SiO4)3
Si TephroiteMn22+SiO4
Si Wiserite(Mn,Mg)14[Cl|(OH)8|(Si,Mg)(O,OH)4|(B2O5)4]
ClChlorine
Cl Wiserite(Mn,Mg)14[Cl|(OH)8|(Si,Mg)(O,OH)4|(B2O5)4]
MnManganese
Mn AlleghanyiteMn52+(SiO4)2(OH)2
Mn BementiteMn7Si6O15(OH)8
Mn HausmanniteMn2+Mn23+O4
Mn JacobsiteMn2+Fe23+O4
Mn PyroxmangiteMnSiO3
Mn RhodochrositeMnCO3
Mn RhodoniteMn2+SiO3
Mn SpessartineMn32+Al2(SiO4)3
Mn SussexiteMn2+BO2(OH)
Mn TephroiteMn22+SiO4
Mn Wiserite(Mn,Mg)14[Cl|(OH)8|(Si,Mg)(O,OH)4|(B2O5)4]
FeIron
Fe JacobsiteMn2+Fe23+O4

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