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Myoukenyama (Myokensan), Hitachiota City, Ibaraki Prefecture, Japani
Regional Level Types
Myoukenyama (Myokensan)- not defined -
Hitachiota CityCity
Ibaraki PrefecturePrefecture
JapanCountry

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Key
Latitude & Longitude (WGS84):
36° 30' North , 140° 30' East
Latitude & Longitude (decimal):
Köppen climate type:
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


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 Dana Chemical Elements

Mineral List


17 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Matsubara et al (1995) Mineralogical Journal, 17, 338-345
Beryl
Formula: Be3Al2(Si6O18)
Reference: Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Cassiterite
Formula: SnO2
Reference: Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
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.
Reference: Alfredo Petrov collection
Fluorcalciomicrolite
Formula: (Ca,Na)2(Ta,Nb)2O6F
Reference: 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.
'Lepidolite'
Reference: Matsubara et al (1995) Mineralogical Journal, 17, 338-345; Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Masutomilite
Formula: (K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Description: Cs-bearing
Reference: https://www.mindat.org/photo-958932.html
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Reference: 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).
'Microlite Group var: '
Reference: Matsubara et al (1995) Mineralogical Journal, 17, 338-345
Montebrasite
Formula: LiAl(PO4)(OH)
Reference: Sakurai et al (1977) Ganseki-Koubutsu-Koshogaku Zasshi, 72, 13-27.
Oxystibiomicrolite
Formula: (Sb3+,Ca)2Ta2O6O
Description: (Reported as "stibiomicrolite".)
Reference: Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Pollucite
Formula: (Cs,Na)2(Al2Si4O12) · 2H2O
Description: massive
Reference: Sakurai et al (1977) Ganseki-Koubutsu-Koshogaku Zasshi, 72, 13-27.
Quartz
Formula: SiO2
Reference: Alfredo Petrov collection; Matsubara et al (1995) Mineralogical Journal, 17, 338-345
Spodumene
Formula: LiAlSi2O6
Reference: Sakurai et al (1977) Ganseki-Koubutsu-Koshogaku Zasshi, 72, 13-27
Stibiotantalite
Formula: Sb(Ta,Nb)O4
Reference: Matsubara et al (1995) Mineralogical Journal, 17, 338-345.
Tantalite-(Fe)
Formula: Fe2+Ta2O6
Reference: Matsubara, S. & Miyawaki, R. (2006) Catalogue of Japanese Minerals (National Science Museum)
Tantalite-(Mn)
Formula: Mn2+Ta2O6
Reference: Sakurai et al (1977) Ganseki-Koubutsu-Koshogaku Zasshi, 72, 13-27
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Reference: Alfredo Petrov collection
'Tourmaline var: '
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Alfredo Petrov collection
'Tourmaline var: '
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Alfredo Petrov collection
Trilithionite
Formula: K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Reference: Kataoka & Uehara (2000) Koubutsu-Gakkai Kou'en-Youshi, 101.
Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

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

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
ABO4
Stibiotantalite8.1.6.2Sb(Ta,Nb)O4
A2B2O6(O,OH,F)
'Microlite Group'8.2.2.1A2-mTa2X6-wZ-n
AB2O6
Columbite-(Mn)8.3.2.4Mn2+Nb2O6
Tantalite-(Fe)8.3.2.1Fe2+Ta2O6
Tantalite-(Mn)8.3.2.3Mn2+Ta2O6
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Montebrasite41.5.8.2LiAl(PO4)(OH)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Elbaite61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Spodumene65.1.4.1LiAlSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Masutomilite71.2.2b.12(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Pollucite77.1.1.2(Cs,Na)2(Al2Si4O12) · 2H2O
Unclassified Minerals, Mixtures, etc.
Fluorcalciomicrolite-(Ca,Na)2(Ta,Nb)2O6F
'Lepidolite'-
'Microlite Group
var: Uranmicrolite (of Hogarth 1977)'
-A2-mTa2X6-wZ-n
Oxystibiomicrolite-(Sb3+,Ca)2Ta2O6O
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z
'var: Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'var: Verdelite'-A(D3)G6(T6O18)(BO3)3X3Z
Trilithionite-K(Li1.5Al1.5)(AlSi3O10)(F,OH)2

List of minerals for each chemical element

HHydrogen
H Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H MontebrasiteLiAl(PO4)(OH)
H TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
H Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
LiLithium
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Li MontebrasiteLiAl(PO4)(OH)
Li SpodumeneLiAlSi2O6
Li TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Li Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B Tourmaline (var: Rubellite)A(D3)G6(T6O18)(BO3)3X3Z
B Tourmaline (var: Verdelite)A(D3)G6(T6O18)(BO3)3X3Z
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
OOxygen
O BerylBe3Al2(Si6O18)
O AlbiteNa(AlSi3O8)
O Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O StibiotantaliteSb(Ta,Nb)O4
O MontebrasiteLiAl(PO4)(OH)
O SpodumeneLiAlSi2O6
O Tantalite-(Mn)Mn2+Ta2O6
O Columbite-(Mn)Mn2+Nb2O6
O ZirconZr(SiO4)
O Tantalite-(Fe)Fe2+Ta2O6
O QuartzSiO2
O TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
O Tourmaline (var: Rubellite)A(D3)G6(T6O18)(BO3)3X3Z
O Tourmaline (var: Verdelite)A(D3)G6(T6O18)(BO3)3X3Z
O CassiteriteSnO2
O Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
O Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
FFluorine
F TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
F Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
F Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
AlAluminium
Al BerylBe3Al2(Si6O18)
Al AlbiteNa(AlSi3O8)
Al Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al MontebrasiteLiAl(PO4)(OH)
Al SpodumeneLiAlSi2O6
Al TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Al Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
SiSilicon
Si BerylBe3Al2(Si6O18)
Si AlbiteNa(AlSi3O8)
Si Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si SpodumeneLiAlSi2O6
Si ZirconZr(SiO4)
Si QuartzSiO2
Si TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
PPhosphorus
P MontebrasiteLiAl(PO4)(OH)
KPotassium
K TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
K Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
CaCalcium
Ca Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
Ca Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F
MnManganese
Mn Tantalite-(Mn)Mn2+Ta2O6
Mn Columbite-(Mn)Mn2+Nb2O6
Mn Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
FeIron
Fe Tantalite-(Fe)Fe2+Ta2O6
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Columbite-(Mn)Mn2+Nb2O6
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 StibiotantaliteSb(Ta,Nb)O4
Ta Tantalite-(Mn)Mn2+Ta2O6
Ta Microlite GroupA2-mTa2X6-wZ-n
Ta Tantalite-(Fe)Fe2+Ta2O6
Ta Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
Ta Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6F

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
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).

Other Regions, Features and Areas containing this locality

AsiaContinent
Japan
Okhotsk PlateTectonic Plate

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