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Nippyo mine (Yokoneyama), Awano, Kanuma City, Tochigi, Japani
Regional Level Types
Nippyo mine (Yokoneyama)Mine
Awano- not defined -
Kanuma CityCity
TochigiPrefecture
JapanCountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 36° North , 139° East (est.)
Margin of Error:~19km
Locality type:Mine
Köppen climate type:Cfa : Humid subtropical climate



Pods of metasedimentary Mn mineralization in chert country rock. Currently (2004) being quarried for silica.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


18 valid minerals. 1 (TL) - type locality of 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:

Chalcopyrite
Formula: CuFeS2
Reference: Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
'Chert'
Reference: Akira Kato (2011) Explanations of distributed specimens at the Ordinary Meeting of Mumeikai Group, No. 34 (January, 20011).
Cobaltite
Formula: CoAsS
Reference: Frank K. Mazdab collection (thin section FKM-190)
Fluorapatite
Formula: Ca5(PO4)3F
Fluorescence: orange cathodoluminescence (CL)
Reference: Frank K. Mazdab collection (thin section FKM-190)
Galena
Formula: PbS
Reference: Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
Gersdorffite
Formula: NiAsS
Description: single small (~30 μm) grain in dominant amphibole-garnet-pyroxmangite matrix. Analysis by EPMA.
Reference: Frank K. Mazdab collection (thin section FKM-190)
Hübnerite
Formula: MnWO4
Description: single small grain
Reference: Frank K. Mazdab collection (thin section FKM-190)
Ilmenite
Formula: Fe2+TiO3
Reference: Frank K. Mazdab collection (thin section FKM-190)
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Akira Kato (2011) Explanations of distributed specimens at the Ordinary Meeting of Mumeikai Group, No. 34 (January, 20011).
Proto-ferro-suenoite (TL)
Formula: ☐{Mn2+2}{Fe2+5}(Si8O22)(OH)2
Type Locality:
Reference: AmMin 84:196; Journal of Mineralogical and Petrological Sciences: 97: 127-136.; Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
Pyrophanite
Formula: Mn2+TiO3
Reference: Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
Pyrosmalite-(Fe)
Formula: Fe2+8Si6O15(OH,Cl)10
Description: among several pyrosmalite analyses, only one grain showed Fe>Mn.
Reference: Frank K. Mazdab collection (thin section FKM-190)
Pyrosmalite-(Mn)
Formula: Mn2+8Si6O15(OH,Cl)10
Description: widely scattered in sample, mostly associated with coarse pyroxmangite
Reference: Frank K. Mazdab collection (thin section FKM-190)
Pyroxmangite
Formula: MnSiO3
Reference: [AmMin 84:196]; Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
Pyrrhotite
Formula: Fe7S8
Reference: Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
Quartz
Formula: SiO2
Reference: Frank K. Mazdab collection (thin section FKM-190)
Rhodochrosite
Formula: MnCO3
Reference: [AmMin 84:196]; Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
Rhodonite
Formula: Mn2+SiO3
Reference: Dr. Matsuo Nambu collection (curated at Geological Survey of Japan); Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: [AmMin 84:196]; Sueno, S., Matsuura, S., Bunno, M., & Kurosawa, M. (2002). Occurrence and crystal chemical features of protoferro-anthophyllite and protomangano-ferro-anthophyllite from Cheyenne Canyon and Cheyenne Mountain, USA and Hirukawa-mura, Suisho-yama, and Yokone-yama, Japan. Journal of mineralogical and petrological sciences, 97(4), 127-136.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Chalcopyrite'2.CB.10aCuFeS2
'Cobaltite'2.EB.25CoAsS
'Galena'2.CD.10PbS
'Gersdorffite'2.EB.25NiAsS
'Pyrrhotite'2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
'Hübnerite'4.DB.30MnWO4
'Ilmenite'4.CB.05Fe2+TiO3
'Pyrophanite'4.CB.05Mn2+TiO3
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Rhodochrosite'5.AB.05MnCO3
Group 8 - Phosphates, Arsenates and Vanadates
'Fluorapatite'8.BN.05Ca5(PO4)3F
Group 9 - Silicates
'Laumontite'9.GB.10CaAl2Si4O12 · 4H2O
'Proto-ferro-suenoite' (TL)9.DD.05☐{Mn2+2}{Fe2+5}(Si8O22)(OH)2
'Pyrosmalite-(Fe)'9.EE.10Fe2+8Si6O15(OH,Cl)10
'Pyrosmalite-(Mn)'9.EE.10Mn2+8Si6O15(OH,Cl)10
'Pyroxmangite'9.DO.05MnSiO3
'Rhodonite'9.DK.05Mn2+SiO3
'Spessartine'9.AD.25Mn2+3Al2(SiO4)3
Unclassified Minerals, Rocks, etc.
'Chert'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Cobaltite2.12.3.1CoAsS
Gersdorffite2.12.3.2NiAsS
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Pyrophanite4.3.5.3Mn2+TiO3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Rhodochrosite14.1.1.4MnCO3
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Hübnerite48.1.1.1MnWO4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
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 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-, 6-, and 12-membered rings
Pyrosmalite-(Fe)72.4.1a.1Fe2+8Si6O15(OH,Cl)10
Pyrosmalite-(Mn)72.4.1a.2Mn2+8Si6O15(OH,Cl)10
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Unclassified Minerals, Rocks, etc.
'Chert'-
Proto-ferro-suenoite (TL)-☐{Mn2+2}{Fe2+5}(Si8O22)(OH)2

List of minerals for each chemical element

HHydrogen
H LaumontiteCaAl2Si4O12 · 4H2O
H Proto-ferro-suenoite☐{Mn22+}{Fe52+}(Si8O22)(OH)2
H Pyrosmalite-(Fe)Fe82+Si6O15(OH,Cl)10
H Pyrosmalite-(Mn)Mn82+Si6O15(OH,Cl)10
CCarbon
C RhodochrositeMnCO3
OOxygen
O FluorapatiteCa5(PO4)3F
O HübneriteMnWO4
O IlmeniteFe2+TiO3
O LaumontiteCaAl2Si4O12 · 4H2O
O Proto-ferro-suenoite☐{Mn22+}{Fe52+}(Si8O22)(OH)2
O PyrophaniteMn2+TiO3
O Pyrosmalite-(Fe)Fe82+Si6O15(OH,Cl)10
O Pyrosmalite-(Mn)Mn82+Si6O15(OH,Cl)10
O PyroxmangiteMnSiO3
O QuartzSiO2
O RhodochrositeMnCO3
O RhodoniteMn2+SiO3
O SpessartineMn32+Al2(SiO4)3
FFluorine
F FluorapatiteCa5(PO4)3F
AlAluminium
Al LaumontiteCaAl2Si4O12 · 4H2O
Al SpessartineMn32+Al2(SiO4)3
SiSilicon
Si LaumontiteCaAl2Si4O12 · 4H2O
Si Proto-ferro-suenoite☐{Mn22+}{Fe52+}(Si8O22)(OH)2
Si Pyrosmalite-(Fe)Fe82+Si6O15(OH,Cl)10
Si Pyrosmalite-(Mn)Mn82+Si6O15(OH,Cl)10
Si PyroxmangiteMnSiO3
Si QuartzSiO2
Si RhodoniteMn2+SiO3
Si SpessartineMn32+Al2(SiO4)3
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S ChalcopyriteCuFeS2
S CobaltiteCoAsS
S GalenaPbS
S GersdorffiteNiAsS
S PyrrhotiteFe7S8
ClChlorine
Cl Pyrosmalite-(Mn)Mn82+Si6O15(OH,Cl)10
CaCalcium
Ca FluorapatiteCa5(PO4)3F
Ca LaumontiteCaAl2Si4O12 · 4H2O
TiTitanium
Ti IlmeniteFe2+TiO3
Ti PyrophaniteMn2+TiO3
MnManganese
Mn HübneriteMnWO4
Mn Proto-ferro-suenoite☐{Mn22+}{Fe52+}(Si8O22)(OH)2
Mn PyrophaniteMn2+TiO3
Mn Pyrosmalite-(Mn)Mn82+Si6O15(OH,Cl)10
Mn PyroxmangiteMnSiO3
Mn RhodochrositeMnCO3
Mn RhodoniteMn2+SiO3
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe ChalcopyriteCuFeS2
Fe IlmeniteFe2+TiO3
Fe Proto-ferro-suenoite☐{Mn22+}{Fe52+}(Si8O22)(OH)2
Fe Pyrosmalite-(Fe)Fe82+Si6O15(OH,Cl)10
Fe PyrrhotiteFe7S8
CoCobalt
Co CobaltiteCoAsS
NiNickel
Ni GersdorffiteNiAsS
CuCopper
Cu ChalcopyriteCuFeS2
AsArsenic
As CobaltiteCoAsS
As GersdorffiteNiAsS
WTungsten
W HübneriteMnWO4
PbLead
Pb GalenaPbS

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