Henritermierite (original) (raw)
A valid IMA mineral species
About HenritermieriteHide
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Formula:
Ca3Mn3+2(SiO4)2[◻(OH)4]
Colour:
Clove-brown to apricot-brown; lemon-yellow to pale yellow in thin section.
Crystal System:
Tetragonal
Name:
Named in 1969 by C. Gaudefroy, M. Orliac, F. Permingeat, and A. Parfenoff, in honor of Henri François Émile Termier (13 December 1897, Lyon, France - 12 August 1989, Gif sur Yvette, France), geologist known for his studies of the stratigraphy and paleontology of North Africa and France. He was, for a time, head of the Morocco Geological Service and later, professor at the University of Algiers and the Sorbonne.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:1868:1
6f9f94b7-3bdd-4f56-8316-e214e2a14bb3
IMA Classification of HenritermieriteHide
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IMA Formula:
Ca3Mn3+2(SiO4)2(OH)4
Type description reference:
Classification of HenritermieriteHide
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9.AD.25
9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in [6] and/or greater coordination
51.4.4.1
51 : NESOSILICATES Insular SiO4 Groups Only
4 : Insular SiO4 Groups Only with cations in [6] and >[6] coordination
16.16.19
16 : Silicates Containing Aluminum and other Metals
16 : Aluminosilicates of Mn
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 |
|---|---|---|
| Hri | 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 HenritermieriteHide
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Colour:
Clove-brown to apricot-brown; lemon-yellow to pale yellow in thin section.
Density:
3.34(2) g/cm3 (Measured) 3.40 g/cm3 (Calculated)
Optical Data of HenritermieriteHide
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RI values:
_n_ω = 1.765 _n_ε = 1.800
δ = 0.035
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Comments:
O = very pale yellow
E = lemon-yellow
Chemistry of HenritermieriteHide
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Mindat Formula:
Ca3Mn3+2(SiO4)2[◻(OH)4]
Crystallography of HenritermieriteHide
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Crystal System:
Tetragonal
Class (H-M):
4/m m m _(_4/_m_2/_m_2/m ) - Ditetragonal Dipyramidal
Cell Parameters:
a = 12.39 Å, c = 11.91 Å
Unit Cell V:
1,828.33 ų (Calculated from Unit Cell)
Morphology:
As pseudo-octahedral crystals, to 3mm, and as aggregates of small grains.
Twinning:
Common on {101} sectored
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.75 Å | (very very strong) |
| 2.516 Å | (very strong) |
| 4.37 Å | (strong) |
| 3.09 Å | (strong) |
| 2.98 Å | (strong) |
| 2.684 Å | (moderately strong) |
| 1.614 Å | (moderately strong) |
Comments:
Tachgagalt mine, Morocco. Data from the type description.
Geological EnvironmentHide
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Geological Setting:
Manganese deposits
Type Occurrence of HenritermieriteHide
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General Appearance of Type Material:
Aggregates of small grains up to 0.5 mm; mostly about 0.2 mm in diameter, filling interstices between crystals of marokite, hausmannite, and rare gaudefroyite.
Place of Conservation of Type Material:
Ecole Nationale Supérieure des Mines, Paris, France, numbers 51098, 51099 (holotype).
FS, Toulouse, France (cotype).
Geological Survey of Morocco, Rabat, Morocco (cotype).
Muséum Nationale d’Histoire Naturelle, Paris, France, number 175.139 (holotype).
Associated Minerals at Type Locality:
Reference:
Gaudefroy, C., Orliac, M., Permingeat, F., Parfenoff, A. (1969) L`henritermiérite, une nouvelle espèce minérale. Bulletin de la Société Française de Minéralogie et de Cristallographie: 92: 185-190.
Synonyms of HenritermieriteHide
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Other Language Names for HenritermieriteHide
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Relationship of Henritermierite to other SpeciesHide
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Other Members of this group:
| Holtstamite | Ca3Al2(SiO4)2[◻(OH)4] | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a c d |
|---|
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 9.AD. | Adrianite | Ca12(Al4Mg3Si7)O32Cl6 | Iso. 43_m_ : I_43_d |
|---|---|---|---|
| 9.AD.05 | Larnite | Ca2SiO4 | Mon. 2/m |
| 9.AD.10 | Calcio-olivine | Ca2SiO4 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 9.AD.15 | Merwinite | Ca3Mg(SiO4)2 | Mon. 2/m : _P_21/b |
| 9.AD.20 | Bredigite | Ca7Mg(SiO4)4 | Orth. m _m_2 : P n _n_2 |
| 9.AD.25 | Midbarite | Ca3Mg2(V2Si)O12 | Iso. m_3_m _(_4/_m_32/m ) |
| 9.AD.25 | Menzerite-(Y) | (Y2Ca)Mg2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Uvarovite | Ca3Cr2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Eltyubyuite | Ca12Fe3+10Si4O32Cl6 | Iso. 43_m_ : I_43_d |
| 9.AD.25 | Eringaite | Ca3Sc2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 va | Hydrougrandite | (Ca,Mg,Fe2+)3(Fe3+,Al)2[(OH)4(SiO4)2] | Iso. |
| 9.AD.25 | Calderite | Mn2+3Fe3+2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Nikmelnikovite | Ca12(Fe2+Fe3+3Al3◻)[SiO4]6[◻(OH)4]5◻4 | Trig. 3 : _R_3 |
| 9.AD.25 | Hutcheonite | Ca3Ti2(SiO4)(AlO4)2 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Wadalite | (Ca,Mg)6(Al,Fe3+)4((Si,Al)O4)3O4Cl3 | Iso. 43_m_ : I_43_d |
| 9.AD.25 | Rubinite | Ca3Ti3+2Si3O12 | Iso. |
| 9.AD.25 | Kerimasite | Ca3Zr2(SiO4)(Fe3+O4)2 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Holtstamite | Ca3Al2(SiO4)2[◻(OH)4] | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a c d |
| 9.AD.25 | Spessartine | Mn2+3Al2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Toturite | Ca3Sn2(SiO4)(Fe3+O4)2 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Kimzeyite | Ca3Zr2(SiO4)(AlO4)2 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Khoharite | Mg3Fe3+2(SiO4)3 | |
| 9.AD.25 | Irinarassite | Ca3Sn2(SiO4)(AlO4)2 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Knorringite | Mg3Cr2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Goldmanite | Ca3V3+2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Blythite | Mn2+3Mn3+2[SiO4]3 | |
| 9.AD.25 | Skiagite | Fe2+3Fe3+2[SiO4]3 | |
| 9.AD.25 | UM1984-37-SiO:CrMn | Mn2+3Cr3+2(SiO4)3 | |
| 9.AD.25 | Almandine | Fe2+3Al2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 va | Yamatoite | (Mn2+,Ca)3(V3+,Al)2(SiO4)3 | Iso. |
| 9.AD.25 | Momoiite | Mn2+3V3+2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Grossular | Ca3Al2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Andradite | Ca3Fe3+2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Morimotoite | Ca3(TiFe2+)(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Majorite | Mg3(MgSi)(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Pyrope | Mg3Al2(SiO4)3 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.25 | Schorlomite | Ca3Ti2(SiO4)(Fe3+O4)2 | Iso. m_3_m _(_4/_m_32/m ) : I a_3_d |
| 9.AD.30 | Hafnon | HfSiO4 | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a m d |
| 9.AD.30 | Zircon | Zr(SiO4) | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a m d |
| 9.AD.30 | Coffinite | U(SiO4) · nH2O | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a m d |
| 9.AD.30 | Thorite | Th(SiO4) | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a m d |
| 9.AD.30 va | Auerlite | near Th(Si,P)O4 | |
| 9.AD.30 | Stetindite-(Ce) | Ce(SiO4) | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_41/a m d |
| 9.AD.35 | Tombarthite-(Y) | Y4(Si,H4)4O12-x(OH)4+2x | Mon. |
| 9.AD.35 | Huttonite | ThSiO4 | Mon. 2/m |
| 9.AD.40 | Eulytine | Bi4(SiO4)3 | Iso. 43_m_ : I_43_d |
| 9.AD.45 | Reidite | ZrSiO4 | Tet. 4/m : _I_41/a |
| 9.AD.55 | Jeffbenite | Mg3Al2Si3O12 | Tet. 42_m_ : I_42_d |
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 HenritermieriteHide
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References for HenritermieriteHide
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Reference List:
Grew, E. S., Locock, A. J., Mills, S. J., Galuskina, I. O., Galuskin, E. V., Hålenius, U. (2013) Nomenclature of the garnet supergroup. American Mineralogist, 98 (4) 785-811 doi:10.2138/am.2013.4201
Localities for HenritermieriteHide
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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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