Hubeite (original) (raw)
A valid IMA mineral species
About HubeiteHide
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Formula:
Ca2Mn2+Fe3+Si4O12(OH) · 2H2O
Colour:
Dark brown to light brown in thinner crystals.
Name:
Named in 2001 after the Hubei Province in China, where the type locality is located. Pronounced (HÜ-BĀ-ĪT).
This page provides mineralogical data about Hubeite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:8864:6
82abb90b-9f1a-4c9f-8fee-426b52e7a370
IMA Classification of HubeiteHide
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Type description reference:
Hawthorne, Frank C., Cooper, Mark A., Grice, Joel D., Roberts, Andrew C., Cook, William R., Lauf, Robert J. (2002) Hubeite, a New Mineral from the Daye Mine near Huangshi, Hubei Province, China. The Mineralogical Record, 33 (6) 465-471
Classification of HubeiteHide
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9.BJ.60
9 : SILICATES (Germanates)
B : Sorosilicates
J : Sorosilicates with Si3O10, Si4O11, etc. anions; cations in octahedral [6] and greater coordination
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Hub | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of HubeiteHide
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Colour:
Dark brown to light brown in thinner crystals.
Streak:
Light orange-brown
Cleavage:
Distinct/Good
On (001)
Density:
3.02(2) g/cm3 (Measured) 3.01 g/cm3 (Calculated)
Optical Data of HubeiteHide
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RI values:
_n_α = 1.667(1) _n_β = 1.679(1) _n_γ = 1.690(1)
2V:
Measured: 89° (2), Calculated: 87°
δ = 0.023
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Comments:
X = yellow-brown; Z = dark yellow brown.
Comments:
Absorption: Z > X.
X ∧ b = 20°, Y ∧ c = 13° (in α acute), Z = a.
Chemistry of HubeiteHide
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Mindat Formula:
Ca2Mn2+Fe3+Si4O12(OH) · 2H2O
Crystallography of HubeiteHide
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Class (H-M):
1 - Pinacoidal
Cell Parameters:
a = 9.9653(3) Å, b = 13.9171(3) Å, c = 6.5703(2) Å
α = 133.264(1)°, β = 101.414(1)°, γ = 66.302(1)°
Ratio:
a:b:c = 0.716 : 1 : 0.472
Unit Cell V:
603.48 ų (Calculated from Unit Cell)
Morphology:
Slightly elongate along the b axis with a rhombic cross section. Dominant forms {001}, {101} and minor {100}, {11}, and {352}.
Often in bow-tie shaped arrangements.
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0005941 | Hubeite | Cooper M A, Hawthorne F C (2004) The crystal structure of hubeite, a novel sorosilicate mineral The Canadian Mineralogist 42 825-834 |  |
2004 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 9.072 Å | (100) |
| 8.238 Å | (90) |
| 3.126 Å | (70) |
| 3.095 Å | (70) |
| 2.781 Å | (60) |
| 5.000 Å | (30) |
| 3.192 Å | (30) |
Geological EnvironmentHide
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Type Occurrence of HubeiteHide
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General Appearance of Type Material:
Radiating aggregates of intergrown crystals with well-developed terminations.
Place of Conservation of Type Material:
Canadian Museum of Nature, Ottawa, Ontario, Canada, #83268.
Geological Setting of Type Material:
Associated Minerals at Type Locality:
Reference:
Hawthorne, F.C., Cooper, M.A., Grice, J.D., Roberts, A.C., Cook Jr., W.R., Lauf, R.J. (2002): Hubeite, a new mineral from the Daye mine, near Huangshi, Hubei Province, China. The Mineralogical Record, 33, 465-471.
Synonyms of HubeiteHide
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Other Language Names for HubeiteHide
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Simplified Chinese:湖北石
Traditional Chinese:湖北石
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 9.BJ. | Arsenmedaite | Mn2+6 As5+Si5O18(OH) | Mon. 2/m |
|---|---|---|---|
| 9.BJ.05 | Orientite | Ca8Mn3+10(SiO4)3(Si3O10)3(OH)10 · 4H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 9.BJ.10 | Rosenhahnite | HCa3[Si3O9(OH)] | Tric. 1 : _P_1 |
| 9.BJ.15 | Trabzonite | Ca4(Si3O9)(OH)2 | Orth. m _m_2 : A m _a_2 |
| 9.BJ.20 | Thalénite-(Y) | Y3Si3O10F | Mon. |
| 9.BJ.25 | Tiragalloite | Mn2+4As5+Si3O12(OH) | Mon. 2/m |
| 9.BJ.30 | Medaite | Mn2+6V5+Si5O18(OH) | Mon. 2/m |
| 9.BJ.35 | Ruizite | Ca2Mn3+2[Si4O11(OH)2](OH)2 · 2H2O | Mon. 2 |
| 9.BJ.35 | Taniajacoite | SrCaMn3+2Si4O11(OH)4 · 2H2O | Tric. 1 |
| 9.BJ.35 | Strontioruizite | Sr2Mn3+2Si4O11(OH)4 · 2H2O | Mon. 2 : _B_2 |
| 9.BJ.40 | Ardennite-(As) | Mn2+4Al4(AlMg)(AsO4)(SiO4)2(Si3O10)(OH)6 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 9.BJ.40 | Ardennite-(V) | Mn2+4Al4(AlMg)(VO4)(SiO4)2(Si3O10)(OH)6 | Orth. m m m _(_2/_m_2/_m_2/m ) : P m m n |
| 9.BJ.40 | Kannanite | Ca4Al4(AlMg)(VO4)(SiO4)2(Si3O10)(OH)6 | Orth. m m m _(_2/_m_2/_m_2/m ) : P m m n |
| 9.BJ.40 | Alpeite | Ca4Mn3+2Al2(Mn3+Mg)(SiO4)2(Si3O10)(V5+O4)(OH)6 | Orth. m m m _(_2/_m_2/_m_2/m ) : P m m n |
| 9.BJ.45 | Kilchoanite | Ca6(SiO4)(Si3O10) | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 9.BJ.50 | Kornerupine | Mg3Al6(Si,Al,B)5O21(OH) | Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m |
| 9.BJ.50 | Prismatine | (◻,Fe,Mg)(Mg,Al,Fe)5Al4Si2(Si,Al)2(B,Si,Al)(O,OH,F)22 | Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m |
| 9.BJ.55 | Zunyite | Al13Si5O20(OH,F)18Cl | Iso. 43_m_ : F_43_m |
| 9.BJ.65 | Cassagnaite | (Ca,Mn2+)4(Fe3+,Mn3+,Al)4(V3+,Mg,Al)2(Si3O10)(SiO4)2(OH,O)8 | Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m |
| 9.BJ.70 | Pavlovskyite | Ca8(SiO4)2(Si3O10) | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
Fluorescence of HubeiteHide
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Other InformationHide
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Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for HubeiteHide
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References for HubeiteHide
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Reference List:
Hawthorne, Frank C., Cooper, Mark A., Grice, Joel D., Roberts, Andrew C., Cook, William R., Lauf, Robert J. (2002) Hubeite, a New Mineral from the Daye Mine near Huangshi, Hubei Province, China. The Mineralogical Record, 33 (6) 465-471
Localities for HubeiteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 
- Good crystals or important locality for species. 
- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
| China (TL) | |
|---|---|
| Hubei Huangshi Daye Co. ⓘ Fengjiashan Mine (TL) |
Hawthorne et al. (2002) |
| Romania | |
| Maramureș County ⓘ Cavnic | Hîrtopanu P. et al. (2022) |
| Sweden | |
| Värmland County Filipstad Persberg ore district Pajsberg ⓘ Harstigen Mine | Holtstam (2020) |