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Myoukenyama, Hitachiota City, Ibaraki Prefecture, Japani
Regional Level Types
MyoukenyamaPegmatite
Hitachiota CityCity
Ibaraki PrefecturePrefecture
JapanCountry

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00554210015592118617011.jpg
Masutomilite

Myoukenyama, Hitachiota City, Ibaraki Prefecture, Japan
00554210015592118617011.jpg
Masutomilite

Myoukenyama, Hitachiota City, Ibaraki Prefecture, Japan
05640360015592089274144.jpg
Masutomilite

Myoukenyama, Hitachiota City, Ibaraki Prefecture, Japan
Latitude & Longitude (WGS84):
36° 30' North , 140° 30' East
Latitude & Longitude (decimal):
36.50000,140.50000
GeoHash:
G#: xn7zthsgz
GRN:
N25E81
Type:
Pegmatite
KΓΆppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Funaishikawa35,318 (2017)7.0km
Ōmiya27,588 (2017)9.3km
Hitachi-Naka156,811 (2017)11.9km
Katsuta155,968 (2018)13.3km
Mito246,538 (2017)17.3km
Mindat Locality ID:
37307
Long-form identifier:
mindat:1:2:37307:9
GUID (UUID V4):
dd94c7b0-1b14-48d9-8fcd-c091f92304d1
Other/historical names associated with this locality:
Myokensan


Lithium-rich pegmatite. Mining for feldspar was attempted in the 1960s, but was not profitable. Now abandoned. Collecting prohibited.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


17 valid minerals.

Detailed Mineral List:

β“˜ Albite
Formula: Na(AlSi3O8)
β“˜ Beryl
Formula: Be3Al2(Si6O18)
β“˜ Cassiterite
Formula: SnO2
β“˜ Columbite-(Mn)
Formula: Mn2+Nb2O6
β“˜ Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Description: Both pink and green varieties occur here.
β“˜ Fluorcalciomicrolite
Formula: (Ca,Na)2(Ta,Nb)2O6F
β“˜ 'Lepidolite'
β“˜ Masutomilite
Formula: (K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Description: Cs-bearing
β“˜ 'Microlite Group'
Formula: A2-mTa2X6-wZ-n
β“˜ Montebrasite
Formula: LiAl(PO4)(OH)
β“˜ Oxystibiomicrolite
Formula: (Sb3+,Ca)2Ta2O6O
Description: (Reported as "stibiomicrolite".)
β“˜ Pollucite
Formula: (Cs,Na)2(Al2Si4O12) · 2H2O
Description: massive
β“˜ Quartz
Formula: SiO2
β“˜ Spodumene
Formula: LiAlSi2O6
β“˜ Stibiotantalite
Formula: Sb(Ta,Nb)O4
β“˜ Tantalite-(Fe)
Formula: Fe2+Ta2O6
β“˜ Tantalite-(Mn)
Formula: Mn2+Ta2O6
β“˜ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
β“˜ 'Tourmaline var. Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
β“˜ 'Tourmaline var. Verdelite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
β“˜ Trilithionite
Formula: K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
β“˜ 'Uranmicrolite (of Hogarth 1977)'
Formula: (Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
β“˜ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜'Microlite Group'4.00.A2-mTa2X6-wZ-n
β“˜Quartz4.DA.05SiO2
β“˜Cassiterite4.DB.05SnO2
β“˜Tantalite-(Fe)4.DB.35Fe2+Ta2O6
β“˜Columbite-(Mn)4.DB.35Mn2+Nb2O6
β“˜Tantalite-(Mn)4.DB.35Mn2+Ta2O6
β“˜Stibiotantalite4.DE.30Sb(Ta,Nb)O4
β“˜Oxystibiomicrolite4.DH.15(Sb3+,Ca)2Ta2O6O
β“˜Fluorcalciomicrolite4.DH.15(Ca,Na)2(Ta,Nb)2O6F
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Montebrasite8.BB.05LiAl(PO4)(OH)
Group 9 - Silicates
β“˜Zircon9.AD.30Zr(SiO4)
β“˜Beryl9.CJ.05Be3Al2(Si6O18)
β“˜Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜Spodumene9.DA.30LiAlSi2O6
β“˜Masutomilite9.EC.20(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
β“˜Trilithionite9.EC.20K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
β“˜Albite9.FA.35Na(AlSi3O8)
β“˜Pollucite9.GB.05(Cs,Na)2(Al2Si4O12) Β· 2H2O
Unclassified
β“˜'Uranmicrolite (of Hogarth 1977)'-(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
β“˜'Tourmaline
var. Verdelite'		-A(D3)G6(T6O18)(BO3)3X3Z
β“˜''-AD3G6 (T6O18)(BO3)3X3Z
β“˜'var. Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
β“˜'Lepidolite'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Hβ“˜ Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Hβ“˜ MontebrasiteLiAl(PO4)(OH)
Hβ“˜ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Hβ“˜ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Hβ“˜ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
LiLithium
Liβ“˜ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Liβ“˜ Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Liβ“˜ MontebrasiteLiAl(PO4)(OH)
Liβ“˜ SpodumeneLiAlSi2O6
Liβ“˜ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
BeBeryllium
Beβ“˜ BerylBe3Al2(Si6O18)
BBoron
Bβ“˜ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Bβ“˜ Tourmaline var. RubelliteA(D3)G6(T6O18)(BO3)3X3Z
Bβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Bβ“˜ Tourmaline var. VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ BerylBe3Al2(Si6O18)
Oβ“˜ CassiteriteSnO2
Oβ“˜ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Oβ“˜ Tantalite-(Fe)Fe2+Ta2O6
Oβ“˜ Columbite-(Mn)Mn2+Nb2O6
Oβ“˜ Tantalite-(Mn)Mn2+Ta2O6
Oβ“˜ Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Oβ“˜ MontebrasiteLiAl(PO4)(OH)
Oβ“˜ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Oβ“˜ QuartzSiO2
Oβ“˜ Tourmaline var. RubelliteA(D3)G6(T6O18)(BO3)3X3Z
Oβ“˜ SpodumeneLiAlSi2O6
Oβ“˜ StibiotantaliteSb(Ta,Nb)O4
Oβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oβ“˜ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Oβ“˜ Tourmaline var. VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Oβ“˜ Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
Oβ“˜ Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
FFluorine
Fβ“˜ Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Fβ“˜ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Fβ“˜ Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
Naβ“˜ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Naβ“˜ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Naβ“˜ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Naβ“˜ Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ BerylBe3Al2(Si6O18)
Alβ“˜ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Alβ“˜ Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Alβ“˜ MontebrasiteLiAl(PO4)(OH)
Alβ“˜ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Alβ“˜ SpodumeneLiAlSi2O6
Alβ“˜ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
SiSilicon
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ BerylBe3Al2(Si6O18)
Siβ“˜ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Siβ“˜ Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Siβ“˜ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Siβ“˜ QuartzSiO2
Siβ“˜ SpodumeneLiAlSi2O6
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
PPhosphorus
Pβ“˜ MontebrasiteLiAl(PO4)(OH)
KPotassium
Kβ“˜ Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Kβ“˜ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
CaCalcium
Caβ“˜ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Caβ“˜ Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
Caβ“˜ Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
MnManganese
Mnβ“˜ Columbite-(Mn)Mn2+Nb2O6
Mnβ“˜ Tantalite-(Mn)Mn2+Ta2O6
Mnβ“˜ Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
FeIron
Feβ“˜ Tantalite-(Fe)Fe2+Ta2O6
RbRubidium
Rbβ“˜ Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)
NbNiobium
Nbβ“˜ Columbite-(Mn)Mn2+Nb2O6
Nbβ“˜ StibiotantaliteSb(Ta,Nb)O4
Nbβ“˜ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Nbβ“˜ Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
SnTin
Snβ“˜ CassiteriteSnO2
SbAntimony
Sbβ“˜ StibiotantaliteSb(Ta,Nb)O4
Sbβ“˜ Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
CsCaesium
Csβ“˜ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
TaTantalum
Taβ“˜ Tantalite-(Fe)Fe2+Ta2O6
Taβ“˜ Tantalite-(Mn)Mn2+Ta2O6
Taβ“˜ Microlite GroupA2-mTa2X6-wZ-n
Taβ“˜ StibiotantaliteSb(Ta,Nb)O4
Taβ“˜ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Taβ“˜ Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
Taβ“˜ Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
UUranium
Uβ“˜ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7

Other Regions, Features and Areas containing this locality

AsiaContinent
Japan
Okhotsk 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.

References

Matsubara, S., Kato, A. and Matsuyama, F. (1995) Nb-Ta minerals in a lithium pegmatite from Myokenzan, Ibaraki Prefecture, Japan. Mineralogical Journal, 17, 338–345.
Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1–6 (referring to Matsubara et al., 1995).
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