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It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Mianchi area, Mianchi County, Sanmenxia, Henan, Chinai
Regional Level Types
Mianchi areaExploration Area
Mianchi CountyCounty
SanmenxiaPrefecture-level City
HenanProvince
ChinaCountry

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Latitude & Longitude (WGS84):
34° 49' 16'' North , 111° 47' 39'' East
Latitude & Longitude (decimal):
34.82111,111.79417
GRN:
N24E66
Type:
Exploration Area
Köppen climate type:
Cwa : Monsoon-influenced humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Yima82,509 (2012)12.3km
Changzhi699,514 (2012)43.4km
Mindat Locality ID:
461111
Long-form identifier:
mindat:1:2:461111:3
GUID (UUID V4):
0


Based on lithological and textural characteristics, the sampled profiles from the Mianchi (MC) area can be broadly divided into four distinct units from bottom to top. The lower unit consists of clays interbedded with coal seams, upon which the lower bauxite horizon is located. The lower bauxite horizon is grey to greyish yellow and typically shows pelitic and clastic textures. In some cases, clastic textures occur with ooids embedded in a pelitic matrix. The middle bauxite horizon is more cohesive and shows a massive texture with a porous structure. This is followed by three clay-rich layers overlaying the bauxite horizon. The lowest clay layer is dark grey in colour and dominated by muscovite. The middle clay layer is earth-yellow and contains abundant ooids and pisolites within a massive kaolinite matrix. The uppermost clay- and Li-rich layer is also earth yellow in colour and contains massive ooids and pisolites.

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


12 valid minerals.

Rock Types Recorded

Note: 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:

ⓘ Anatase
Formula: TiO2
ⓘ Baryte
Formula: BaSO4
ⓘ Calcite
Formula: CaCO3
ⓘ Cookeite
Formula: (LiAl4◻)[AlSi3O10](OH)8
ⓘ Diaspore
Formula: AlO(OH)
ⓘ Dickite
Formula: Al2(Si2O5)(OH)4
ⓘ Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Jarosite
Formula: KFe3+3(SO4)2(OH)6
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Rutile
Formula: TiO2
ⓘ 'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘRutile4.DB.05TiO2
ⓘAnatase4.DD.05TiO2
ⓘDiaspore4.FD.10AlO(OH)
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘJarosite7.BC.10KFe3+3(SO4)2(OH)6
Group 9 - Silicates
ⓘElbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘMuscovite
var. Illite		9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘCookeite9.EC.55(LiAl4◻)[AlSi3O10](OH)8
ⓘDickite9.ED.05Al2(Si2O5)(OH)4
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
ⓘ'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
Hⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Hⓘ DiasporeAlO(OH)
Hⓘ DickiteAl2(Si2O5)(OH)4
Hⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Hⓘ JarositeKFe33+(SO4)2(OH)6
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
LiLithium
Liⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Liⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
BBoron
Bⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ AnataseTiO2
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Oⓘ DiasporeAlO(OH)
Oⓘ DickiteAl2(Si2O5)(OH)4
Oⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Oⓘ JarositeKFe33+(SO4)2(OH)6
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ RutileTiO2
Oⓘ Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
NaSodium
Naⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Alⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Alⓘ DiasporeAlO(OH)
Alⓘ DickiteAl2(Si2O5)(OH)4
Alⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Siⓘ DickiteAl2(Si2O5)(OH)4
Siⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
Sⓘ BaryteBaSO4
Sⓘ JarositeKFe33+(SO4)2(OH)6
Sⓘ PyriteFeS2
KPotassium
Kⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Kⓘ JarositeKFe33+(SO4)2(OH)6
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ RutileTiO2
FeIron
Feⓘ JarositeKFe33+(SO4)2(OH)6
Feⓘ PyriteFeS2
BaBarium
Baⓘ BaryteBaSO4

Other Regions, Features and Areas containing this locality

AsiaContinent
China
Eurasian 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

[1]Wang, Ruixue; Ramanaidou, Erick; Kirkland, Christopher L.; Pejcic, Bobby; Laukamp, Carsten; Verrall, Michael; Schoneveld, Louise E.; Owen, Nick; Huang, Shu; Bath, Adam; et al. (2025) Genesis of cookeite, the primary lithium mineral in the Late Carboniferous strata of the North China Craton. Ore Geology Reviews, 186. 106903 doi:10.1016/j.oregeorev.2025.106903
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