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Esseneite

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About EsseneiteHide

07249540015053394776250.jpg
Eric J. Essene
Formula:
CaFe3+[AlSiO6]
Colour:
red-brown
Lustre:
Vitreous
Hardness:
6
Specific Gravity:
3.54 (Calculated)
Crystal System:
Monoclinic
Name:
Named in honor of Eric J. Essene (26 April 1939, Berkeley, California – 20 May 2010, Ann Arbor, Michigan), Professor at the University of Michigan, Ann Arbor, Michigan, USA, and discoverer of the first specimens. He was a leader in the development of geothermobarometry and was awarded the 2010 Penrose Medal by the Geological Society of America.
Pyroxene Group - Clinopyroxene Subgroup. The Fe3+ analogue of burnettite (V), davisite (Sc), grossmanite (Ti3+), and kushiroite (Al).

A high-temperature, low-pressure, oxidised and quenched clinopyroxene species.

Chemically similar to 'ferri-gehlenite'.



Classification of EsseneiteHide

Approved
First Published:
1987
8/F.01-110
9.DA.15

9 : SILICATES (Germanates)
D : Inosilicates
A : Inosilicates with 2-periodic single chains, Si2O6; pyroxene family
65.1.3a.6

65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
1 : Single-Width Unbranched Chains, W=1 with chains P=2
16.21.1

16 : Silicates Containing Aluminum and other Metals
21 : Aluminosilicates of Fe and Ca

Physical Properties of EsseneiteHide

Vitreous
Transparency:
Transparent
Colour:
red-brown
Streak:
white
Hardness:
Cleavage:
Perfect
Density:
3.54 g/cm3 (Calculated)

Optical Data of EsseneiteHide

Type:
Biaxial (-)
RI values:
nα = 1.795(5) nβ = 1.815(5) nγ = 1.825(5)
2V:
Measured: 77° , Calculated: 68°
Max Birefringence:
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r << v
Pleochroism:
Visible
Comments:
X: lemon yellow; Y: greenish yellow; and Z : apple-green

Chemical Properties of EsseneiteHide

Formula:
CaFe3+[AlSiO6]
IMA Formula:
CaFe3+AlSiO6
Common Impurities:
Ti,Mn,Mg,Na

Crystallography of EsseneiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 9.79(1) Å, b = 8.822(9) Å, c = 5.37(1) Å
β = 105.81(9)°
Ratio:
a:b:c = 1.11 : 1 : 0.609
Unit Cell V:
446.25 ų (Calculated from Unit Cell)

Type Occurrence of EsseneiteHide

General Appearance of Type Material:
prismatic crystals 2-8 mm in length
Place of Conservation of Type Material:
Smithsonian Institution NMNH no. 163357).
Geological Setting of Type Material:
a fusion product of sediments overlying and associated with naturally combusted coal seam
Associated Minerals at Type Locality:
Reference:
Cosca, M.A., Peacor, D.R. (1987) Chemistry and structure of esseneite (CaFe3+AlSiO6); a new pyroxene produced by pyrometamorphism. American Mineralogist: 72: 148-156.

Other Language Names for EsseneiteHide

German:Esseneit
Spanish:Esseneita

Relationship of Esseneite to other SpeciesHide

Other Members of this group:
AegirineNaFe3+Si2O6Mon. 2/m : B2/b
Aegirine-augite(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6Mon. 2/m : B2/b
Augite(CaxMgyFez)(Mgy1Fez1)Si2O6Mon. 2/m : B2/b
BurnettiteCaVAlSiO6Mon. 2/m : B2/b
ClinoenstatiteMgSiO3Mon. 2/m : P21/b
ClinoferrosiliteFe2+SiO3Mon. 2/m : P21/b
DavisiteCaScAlSiO6Mon. 2/m : B2/b
DiopsideCaMgSi2O6Mon. 2/m : B2/b
GrossmaniteCaTi3+ AlSiO6Mon. 2/m : B2/b
HedenbergiteCaFe2+Si2O6Mon. 2/m : B2/b
JadeiteNa(Al,Fe3+)Si2O6Mon.
JervisiteNaSc3+Si2O6Mon. 2/m : B2/b
JohannseniteCaMn2+Si2O6Mon. 2/m : B2/b
KanoiteMn2+(Mg,Mn2+)Si2O6Mon. 2/m : P21/b
KosmochlorNaCrSi2O6Mon.
KushiroiteCaAl[AlSiO6]Mon. 2/m : B2/b
NamansiliteNaMn3+Si2O6Mon.
NatalyiteNaV3+Si2O6Mon.
Omphacite(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6Mon. 2/m
PetedunniteCa(Zn,Mn2+,Mg,Fe2+)Si2O6Mon.
Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6Mon. 2/m : P21/b
SpodumeneLiAlSi2O6Mon.
Tissintite(Ca,Na,□)AlSi2O6Mon. 2/m : B2/b

Common AssociatesHide

Associated Minerals Based on Photo Data:
6 photos of Esseneite associated with WollastoniteCaSiO3
5 photos of Esseneite associated with MeliliteCa2(Al,Mg,Fe)((Al,Si,B)SiO7)
5 photos of Esseneite associated with Melilite GroupCa2M(XSiO7)
1 photo of Esseneite associated with EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
1 photo of Esseneite associated with CalciteCaCO3
1 photo of Esseneite associated with WillhendersoniteKCa[Al3Si3O12] · 5H2O
1 photo of Esseneite associated with PortlanditeCa(OH)2
1 photo of Esseneite associated with LeuciteK(AlSi2O6)

Related Minerals - Nickel-Strunz GroupingHide

9.DA.ProtoenstatiteMg2Si2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
9.DA.05Donpeacorite(Mn2+,Mg)Mg[SiO3]2Orth.
9.DA.05EnstatiteMg2Si2O6Orth. mmm (2/m 2/m 2/m) : Pbca
9.DA.05FerrosiliteFeSiO3Orth. mmm (2/m 2/m 2/m) : Pbca
9.DA.10ClinoenstatiteMgSiO3Mon. 2/m : P21/b
9.DA.10ClinoferrosiliteFe2+SiO3Mon. 2/m : P21/b
9.DA.10KanoiteMn2+(Mg,Mn2+)Si2O6Mon. 2/m : P21/b
9.DA.10Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6Mon. 2/m : P21/b
9.DA.15Augite(CaxMgyFez)(Mgy1Fez1)Si2O6Mon. 2/m : B2/b
9.DA.15DiopsideCaMgSi2O6Mon. 2/m : B2/b
9.DA.15HedenbergiteCaFe2+Si2O6Mon. 2/m : B2/b
9.DA.15JohannseniteCaMn2+Si2O6Mon. 2/m : B2/b
9.DA.15PetedunniteCa(Zn,Mn2+,Mg,Fe2+)Si2O6Mon.
9.DA.15DavisiteCaScAlSiO6Mon. 2/m : B2/b
9.DA.15KushiroiteCaAl[AlSiO6]Mon. 2/m : B2/b
9.DA.15GrossmaniteCaTi3+ AlSiO6Mon. 2/m : B2/b
9.DA.20Aegirine-augite(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6Mon. 2/m : B2/b
9.DA.20Omphacite(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6Mon. 2/m
9.DA.25AegirineNaFe3+Si2O6Mon. 2/m : B2/b
9.DA.25JadeiteNa(Al,Fe3+)Si2O6Mon.
9.DA.25JervisiteNaSc3+Si2O6Mon. 2/m : B2/b
9.DA.25KosmochlorNaCrSi2O6Mon.
9.DA.25NamansiliteNaMn3+Si2O6Mon.
9.DA.25NatalyiteNaV3+Si2O6Mon.
9.DA.30SpodumeneLiAlSi2O6Mon.

Related Minerals - Dana Grouping (8th Ed.)Hide

65.1.3a.1DiopsideCaMgSi2O6Mon. 2/m : B2/b
65.1.3a.2HedenbergiteCaFe2+Si2O6Mon. 2/m : B2/b
65.1.3a.3Augite(CaxMgyFez)(Mgy1Fez1)Si2O6Mon. 2/m : B2/b
65.1.3a.4JohannseniteCaMn2+Si2O6Mon. 2/m : B2/b
65.1.3a.5PetedunniteCa(Zn,Mn2+,Mg,Fe2+)Si2O6Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.21.2Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
16.21.3Ferro-tschermakite☐{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
16.21.4Ferro-aluminotschermakite☐{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2Mon.
16.21.5Ferri-tschermakite☐{Ca2}{Mg3Fe3+2}(Al2Si6O22)(OH)2Mon.
16.21.6Ferro-ferri-tschermakite☐{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)(OH)2Mon.
16.21.7Alumino-ferro-hornblende☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
16.21.8Pumpellyite-(Fe2+)Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2OMon.
16.21.8Pumpellyite-(Fe3+)Ca2Fe3+Al2(Si2O7)(SiO4)([OH]O) · H2OMon.

Fluorescence of EsseneiteHide

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for EsseneiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Clark, J.R., Appleman, D.E., Papike, J.J. (1969) Crystal-chemical characterization of clinopyroxenes based on eight new structure refinements. MSA Special Paper: 2: 31-50.
Cosca, M.A., Peacor, D.R. (1987) Chemistry and structure of esseneite
(CaFe3+AlSiO6); a new pyroxene produced by pyrometamorphism. American Mineralogist: 72: 148-156.
Morimoto, N. (1988) Nomenclature of pyroxenes. Mineralogical Magazine: 52: 535-550.
Nespolo, M., Aroyo, M.I. (2016) The modular structure of pyroxenes. European Journal of Mineralogy: 28: 189-203.
Yakubovich O. V., Zayakina N. V., Oleinikov O. B., Kostin A. V. (2017): Esseneite from xenoliths in dacite lavas. Crystal structure and genesis. Zapiski RMO 146, 105-114.

Internet Links for EsseneiteHide

Localities for EsseneiteHide

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

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Antarctica
 
  • Eastern Antarctica
    • Victoria Land
      • Allan Hills
Ciesielczuk, J., Kruszewski, Ł., & Majka, J. (2015). Comparative mineralogical study of thermally-altered coal-dump waste, natural rocks and the products of laboratory heating experiments. International Journal of Coal Geology, 139, 114-141.
Argentina
 
  • Buenos Aires Province
    • Coronel Suaréz
      • D'Orbigny
Ciesielczuk, J., Kruszewski, Ł., & Majka, J. (2015). Comparative mineralogical study of thermally-altered coal-dump waste, natural rocks and the products of laboratory heating experiments. International Journal of Coal Geology, 139, 114-141.
Bulgaria
 
  • Kardzhali Province
    • Momchilgrad
Yana Tzvetanova, Mihail Tarassov, Valentin Ganev, Iskra Piroeva (2018) Mineralogical control of REE and trace element distribution in the skarns from Zvezdel-Pcheloyad ore deposit, Eastern Rhodopes, Bulgaria. XXI International Congress of the CBGA, Salzburg, Austria, September 10–13, 2018, Abstracts. p182
Canada
 
  • Newfoundland and Labrador
    • Labrador
KLEIN, C. (1966): Mineralogy and petrology of the metamorphosed Wabush iron formation, southwest Labrador. Journal of Petrology 7, 246-305.
Czech Republic
 
  • Ústí nad Labem Region
    • Teplice District
      • Duchcov
Žáček V., Skála R., Chlupáčová M., Dvořák Z. 2005: Ca-Fe3+-rich, Si-undersaturated buchite from Želénky, North-Bohemian Brown Coal Basin, Czech Republic. Eur. J. Mineral., 17, 623-633
France
 
  • Occitanie
    • Aveyron
Eytier J.R. & Ch., Favreau G., Devouard B., Vigier J. (2004), Minéraux de pyrométamorphisme de Lapanouse-de Sévérac (Aveyron), Cahier des Micromonteurs, n°85, pp: 3-58 Kruszewski, Ł., Gatel, P., Thiéry, V., Moszumańska, I., and Kusy, D. (2018) Crystallochemical Behavior of Slag Minerals and the Occurrence of Potentially New Mineral Species from Lapanouse-de-Sévérac, France. In: Stracher, G.B. (Ed.) Coal and Peat Fires: A Global Perspective, Vol. 5: Case Studies - Advances in Field and Laboratory Research, xx-xx (in press; publication date: November 2018).
  • Provence-Alpes-Côte d'Azur
    • Alpes-de-Haute-Provence
Favreau G., Meisser N., Chiappero P.J. (2004), Saint-Maime (Alpes-de-Haute-Provence): un exemple de pyrométamorphisme en région provençale, n°3, pp: 59-92
Israel
 
Vapnik, Y., Sokol, E., Murashko M., Sharygin V. (2006): The enigma of Hatrurim. Mineralogical Almanac, 10, 69-77.
Italy
 
  • Emilia-Romagna
    • Ferrara Province
      • Vigarano Mainarda
        • Vigarano Pieve
Ciesielczuk, J., Kruszewski, Ł., and Majka, J. (2015) Comparative mineralogical study of thermally-altered coal-dump waste, natural rocks and the products of laboratory heating experiments. International Journal of Coal Geology, 139, 114-141.
  • Umbria
    • Perugia Province
      • Spoleto
SCXRD analysis by F.Scordari, Dip. Geominer. Univ.Bari; Ciesielczuk, J., Kruszewski, Ł., & Majka, J. (2015). Comparative mineralogical study of thermally-altered coal-dump waste, natural rocks and the products of laboratory heating experiments. International Journal of Coal Geology, 139, 114-141.
Japan
 
  • Okayama Prefecture
    • Takahashi City
      • Bicchu-cho (Bitchu-cho)
        • Fuka
Ciesielczuk, J., Kruszewski, Ł., & Majka, J. (2015). Comparative mineralogical study of thermally-altered coal-dump waste, natural rocks and the products of laboratory heating experiments. International Journal of Coal Geology, 139, 114-141.
Poland
 
  • Lower Silesian Voivodeship
    • Kłodzko County
      • Gmina Nowa Ruda
        • Przygórze
          • Bolesław Mine
Kruszewski, Ł., Ciesielczuk, J., Misz-Kennan, M., 2014: Mineralogy of some metacarbonate rocks from burned coal-mining dump in Przygórze (Lower Silesian Coal Basin) and its analogy to "olive" rocks from the Hatrurim Formation. Proceedings of the International Symposium CEMC 2014, Skalský Dvůr, April 23-26th, 26-27
Russia
 
  • Chelyabinsk Oblast
    • Chelyabinsk coal basin
Cesnokov, B., Kotrly, M. and Nisanbajev, T. (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
Turkey
 
  • Isparta Province
    • Gölcük District
Mustafa Kumral, Hakan Çoban, and Şemsettin Caran (2013) Th-, U- AND LREE-BEARING GROSSULAR, CHROMIAN FERRIALLANITE-(Ce) AND CHROMIAN CERITE-(Ce) IN SKARN XENOLITHS EJECTED FROM THE GÖLCÜK MAAR CRATER, ISPARTA, ANATOLIA, TURKEY, 2008, Canadian Mineralogist Can Mineral 46:275-276
USA (TL)
 
  • Wyoming
    • Campbell Co.
      • Reno Junction
Am.Min. 72 (1987), 148; Lee, S., Xu, H., Xu, H., Jacobs, R., Morgan, D. (2019) Valleyite: A new magnetic mineral with the sodalite-type structure. American Mineralogist: 140(9): 1238-1245.
Outer Space
 
Ciesielczuk, J., Kruszewski, Ł., & Majka, J. (2015). Comparative mineralogical study of thermally-altered coal-dump waste, natural rocks and the products of laboratory heating experiments. International Journal of Coal Geology, 139, 114-141.
 
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