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

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PhotosMapsSearch
05833810017532023925241.jpg
Elbaite, etc.

Myoukenyama, Hitachiota City, Ibaraki Prefecture, Japan
00870150017272067827254.jpg
Masutomilite

Myoukenyama, Hitachiota City, Ibaraki Prefecture, Japan
05833810017532023925241.jpg
Elbaite, etc.

Myoukenyama, Hitachiota City, Ibaraki Prefecture, Japan
00870150017272067827254.jpg
Masutomilite

Myoukenyama, Hitachiota City, Ibaraki Prefecture, Japan
05833810017532023925241.jpg
Elbaite, etc.

Myoukenyama, Hitachiota City, Ibaraki Prefecture, Japan
00870150017272067827254.jpg
Masutomilite

Myoukenyama, Hitachiota City, Ibaraki Prefecture, Japan
Latitude & Longitude (WGS84):
36° 30' North , 140° 30' East
Latitude & Longitude (decimal):
36.50000,140.50000
GRN:
N25E81
Type:
Pegmatite
Köppen 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):
0
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:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ Cassiterite
Formula: SnO2
ⓘ Columbite-(Mn)
Formula: Mn2+Nb2O6
ⓘ Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Description: Both pink and green varieties occur here.
ⓘ Fluorcalciomicrolite
Formula: (Ca,Na)2(Ta,Nb)2O6F
ⓘ 'Lepidolite'
ⓘ Masutomilite
Formula: K(LiAlMn2+)[AlSi3O10]F2
Description: Cs-bearing
ⓘ 'Microlite Group'
Formula: A2-mTa2X6-wZ-n
ⓘ Montebrasite
Formula: LiAl(PO4)(OH)
ⓘ Oxystibiomicrolite
Formula: (Sb3+,Ca)2Ta2O6O
Description: (Reported as "stibiomicrolite".)
ⓘ Pollucite
Formula: (Cs,Na)2(Al2Si4O12) · 2H2O
Description: massive
ⓘ Quartz
Formula: SiO2
ⓘ Spodumene
Formula: LiAlSi2O6
ⓘ Stibiotantalite
Formula: Sb(Ta,Nb)O4
ⓘ Tantalite-(Fe)
Formula: Fe2+Ta2O6
ⓘ Tantalite-(Mn)
Formula: Mn2+Ta2O6
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ 'Tourmaline var. Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
ⓘ 'Tourmaline var. Verdelite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
ⓘ Trilithionite
Formula: K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
ⓘ 'Uranmicrolite (of Hogarth 1977)'
Formula: (Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ'Microlite Group'4.00.A2-mTa2X6-wZ-n
ⓘQuartz4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
ⓘTantalite-(Fe)4.DB.35Fe2+Ta2O6
ⓘColumbite-(Mn)4.DB.35Mn2+Nb2O6
ⓘTantalite-(Mn)4.DB.35Mn2+Ta2O6
ⓘStibiotantalite4.DE.30Sb(Ta,Nb)O4
ⓘFluorcalciomicrolite4.DH.15(Ca,Na)2(Ta,Nb)2O6F
ⓘOxystibiomicrolite4.DH.15(Sb3+,Ca)2Ta2O6O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMontebrasite8.BB.05LiAl(PO4)(OH)
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘElbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘSpodumene9.DA.30LiAlSi2O6
ⓘMasutomilite9.EC.20K(LiAlMn2+)[AlSi3O10]F2
ⓘTrilithionite9.EC.20K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘPollucite9.GB.05(Cs,Na)2(Al2Si4O12) · 2H2O
Unclassified
ⓘ'Lepidolite'-
ⓘ'Tourmaline
var. Rubellite'		-A(D3)G6(T6O18)(BO3)3X3Z
ⓘ''-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Uranmicrolite (of Hogarth 1977)'-(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
ⓘ'Tourmaline
var. Verdelite'		-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
Hⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ MontebrasiteLiAl(PO4)(OH)
Hⓘ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Hⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Hⓘ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
LiLithium
Liⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Liⓘ MasutomiliteK(LiAlMn2+)[AlSi3O10]F2
Liⓘ MontebrasiteLiAl(PO4)(OH)
Liⓘ SpodumeneLiAlSi2O6
Liⓘ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ Tourmaline var. RubelliteA(D3)G6(T6O18)(BO3)3X3Z
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Bⓘ Tourmaline var. VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ CassiteriteSnO2
Oⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ Tantalite-(Fe)Fe2+Ta2O6
Oⓘ Columbite-(Mn)Mn2+Nb2O6
Oⓘ Tantalite-(Mn)Mn2+Ta2O6
Oⓘ MasutomiliteK(LiAlMn2+)[AlSi3O10]F2
Oⓘ MontebrasiteLiAl(PO4)(OH)
Oⓘ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Oⓘ QuartzSiO2
Oⓘ Tourmaline var. RubelliteA(D3)G6(T6O18)(BO3)3X3Z
Oⓘ SpodumeneLiAlSi2O6
Oⓘ StibiotantaliteSb(Ta,Nb)O4
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Oⓘ Tourmaline var. VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
Oⓘ ZirconZr(SiO4)
Oⓘ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Oⓘ Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
Oⓘ Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
FFluorine
Fⓘ MasutomiliteK(LiAlMn2+)[AlSi3O10]F2
Fⓘ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Fⓘ Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Naⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Naⓘ Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ MasutomiliteK(LiAlMn2+)[AlSi3O10]F2
Alⓘ MontebrasiteLiAl(PO4)(OH)
Alⓘ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Alⓘ SpodumeneLiAlSi2O6
Alⓘ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ MasutomiliteK(LiAlMn2+)[AlSi3O10]F2
Siⓘ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Siⓘ QuartzSiO2
Siⓘ SpodumeneLiAlSi2O6
Siⓘ ZirconZr(SiO4)
Siⓘ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
PPhosphorus
Pⓘ MontebrasiteLiAl(PO4)(OH)
KPotassium
Kⓘ MasutomiliteK(LiAlMn2+)[AlSi3O10]F2
Kⓘ TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
CaCalcium
Caⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Caⓘ Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
Caⓘ Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
MnManganese
Mnⓘ Columbite-(Mn)Mn2+Nb2O6
Mnⓘ Tantalite-(Mn)Mn2+Ta2O6
Mnⓘ MasutomiliteK(LiAlMn2+)[AlSi3O10]F2
FeIron
Feⓘ Tantalite-(Fe)Fe2+Ta2O6
ZrZirconium
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Columbite-(Mn)Mn2+Nb2O6
Nbⓘ StibiotantaliteSb(Ta,Nb)O4
Nbⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Nbⓘ Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
SnTin
Snⓘ CassiteriteSnO2
SbAntimony
Sbⓘ StibiotantaliteSb(Ta,Nb)O4
Sbⓘ Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
CsCaesium
Csⓘ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
TaTantalum
Taⓘ Tantalite-(Fe)Fe2+Ta2O6
Taⓘ Tantalite-(Mn)Mn2+Ta2O6
Taⓘ Microlite GroupA2-mTa2X6-wZ-n
Taⓘ StibiotantaliteSb(Ta,Nb)O4
Taⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Taⓘ Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
Taⓘ Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
UUranium
Uⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7

Other Regions, Features and Areas containing this locality

AsiaContinent
Eurasian Plate
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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