Ternesite (original) (raw)
A valid IMA mineral species
About TernesiteHide
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Colour:
Pale blue, brown, light green, colourless
Crystal System:
Orthorhombic
Name:
For Bernd Ternes of Mayen, Germany (born 28.8.1955 in Mayen in an old house, constructed with Bellerberg-basalt), who started collecting minerals in 1970. He found the mineral and provided specimens for study. Mr. Ternes is a specialist on the minerals of the Eifel area in Germany.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:7330:7
86a7bda9-77c0-4c77-ab36-d53229bec064
IMA Classification of TernesiteHide
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Classification of TernesiteHide
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9.AH.20
9 : SILICATES (Germanates)
A : Nesosilicates
H : Nesosilicates with CO3, SO4, PO4, etc.
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 |
|---|---|---|
| Tns | 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 TernesiteHide
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Colour:
Pale blue, brown, light green, colourless
Density:
2.94 g/cm3 (Measured) 2.97 g/cm3 (Calculated)
Optical Data of TernesiteHide
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RI values:
_n_α = 1.630(1) _n_β = 1.637(1) _n_γ = 1.640(1)
2V:
Measured: 63.5° (5), Calculated: 66°
δ = 0.010
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of TernesiteHide
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Mindat Formula:
Ca5(SiO4)2(SO4)
Crystallography of TernesiteHide
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Crystal System:
Orthorhombic
Class (H-M):
m m m _(_2/_m_2/_m_2/m ) - Dipyramidal
Cell Parameters:
a = 6.863 Å, b = 15.387 Å, c = 10.181 Å
Ratio:
a:b:c = 0.446 : 1 : 0.662
Unit Cell V:
1,075.12 ų (Calculated from Unit Cell)
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0014638 | Ternesite | Irran E, Tillmanns E, Hentschel G (1997) Ternesite, Ca5(SiO4)2SO4, a new mineral from the Ettringer Bellerberg/Eifel, Germany Mineralogy and Petrology 60 121-132 | 1997 | Ettringer Bellerberg volcano, Eifel, Germany | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.198 Å | (42) |
| 2.853 Å | (63) |
| 2.830 Å | (100) |
| 2.565 Å | (55) |
| 1.892 Å | (39) |
Geological EnvironmentHide
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Type Occurrence of TernesiteHide
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General Appearance of Type Material:
Prismatic crystals to 0.2 mm length and 0.05 mm diameter, radially arranged into bright blue aggregates.
Place of Conservation of Type Material:
Institut fur Mineralogie und Kristallographie, Universitat Wien, Vienna, Austria.
Naturhistorisches Museum, Vienna, Austria.
Geological Setting of Type Material:
Ca-rich xenoliths in Quaternary leucite tephrite lava.
Associated Minerals at Type Locality:
Synonyms of TernesiteHide
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Other Language Names for TernesiteHide
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Simplified Chinese:硫硅钙石
Traditional Chinese:硫矽鈣石
Relationship of Ternesite to other SpeciesHide
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Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 9.AH. | Fluorbritholite-(Nd) | Ca2Nd3(SiO4)3F | Hex. 6/m : _P_63/m |
|---|---|---|---|
| 9.AH.05 | Iimoriite-(Y) | Y2[SiO4][CO3] | Tric. 1 : _P_1 |
| 9.AH.10 | Tundrite-(Ce) | Na2Ce2Ti(SiO4)(CO3)2O2 | Tric. 1 : _P_1 |
| 9.AH.10 | Tundrite-(Nd) | Na2(Nd,Ce)2Ti(SiO4)(CO3)2O2 | |
| 9.AH.15 | Spurrite | Ca5(SiO4)2(CO3) | Mon. 2/m : _P_21/b |
| 9.AH.15 | Galuskinite | Ca7(SiO4)3(CO3) | Mon. 2/m : _P_21/b |
| 9.AH.20 | Silicocarnotite | Ca5[(SiO4)(PO4)](PO4) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 9.AH.25 | Britholite-(Ce) | (Ce,Ca)5(SiO4)3OH | Hex. 6/m : _P_63/m |
| 9.AH.25 | Britholite-(Y) | (Y,Ca)5(SiO4)3OH | Hex. 6/m : _P_63/m |
| 9.AH.25 | Chlorellestadite | Ca5(SiO4)1.5(SO4)1.5Cl | Hex. 6/m : _P_63/m |
| 9.AH.25 | Fluorbritholite-(Ce) | (Ce,Ca)5(SiO4)3F | Hex. 6/m : _P_63/m |
| 9.AH.25 | Fluorellestadite | Ca5(SiO4)1.5(SO4)1.5F | Hex. 6/m : _P_63/m |
| 9.AH.25 | Hydroxylellestadite | Ca5(SiO4)1.5(SO4)1.5(OH) | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m c m |
| 9.AH.25 | Mattheddleite | Pb5(SiO4)1.5(SO4)1.5(Cl,OH) | Hex. 6/m : _P_63/m |
| 9.AH.25 | Tritomite-(Ce) | Ce5(SiO4,BO4)3(OH,O) | |
| 9.AH.25 | Tritomite-(Y) | Y5(SiO4,BO4)3(O,OH,F) | |
| 9.AH.25 | Fluorcalciobritholite | (Ca,REE)5(SiO4,PO4)3F | Hex. 6/m : _P_63/m |
| 9.AH.25 | Fluorbritholite-(Y) | (Y,Ca)5(SiO4)3F | Hex. 6/m : _P_63/m |
| 9.AH.25 | Britholite-(La) | Ca2(La,Ce,Ca)3(SiO4,PO4)3(OH,F) | |
| 9.AH.25 | Calciobritholite | (Ca,Y)5(SiO4,PO4)3(OH) | |
| 9.AH.35 | Nabimusaite | KCa12(SiO4)4(SO4)2O2F | Trig. 3_m_ _(_32/m ) : R_3_m |
| 9.AH.35 | Dargaite | BaCa12(SiO4)4(SO4)2O3 | Trig. 3_m_ : R_3_m |
| 9.AH.40 | Zadovite | BaCa6[(SiO4)(PO4)](PO4)2F | Trig. 3_m_ : R_3_m |
| 9.AH.40 | Gazeevite | BaCa6(SiO4)2(SO4)2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| 9.AH.40 | Stracherite | BaCa6(SiO4)2[(PO4)(CO3)]2F | Trig. 3_m_ _(_32/m ) : R_3_m |
| 9.AH.45 | Flamite | Ca8-x(Na,K)x(SiO4)4-x(PO4)x | Orth. m _m_2 |
| 9.AH.50 | Byzantievite | Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4),(SiO4)]4(BO3)9O22[(OH),F]43(H2O)1.5 | Trig. 3 : _R_3 |
| 9.AH.55 | Greenwoodite | (Ba,V3+O)2V3+9(Fe3+,Fe2+)2Si2O22 | Trig. 3_m_ _(_32/m ) : _P_3_m_1 |
| 9.AH.60 | Kihlmanite-(Ce) | Ce2TiO2(SiO4)(HCO3)2(H2O) | Tric. 1 : _P_1 |
| 9.AH.65 | Tsangpoite | Ca5(PO4)2(SiO4) | Hex. |
| 9.AH.70 | Enalite | (Th,REE,Al) [(PO4),(SiO4),(OH)] | Tet. |
Fluorescence of TernesiteHide
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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 TernesiteHide
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References for TernesiteHide
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Localities for TernesiteHide
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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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