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Escheite

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About EscheiteHide

Formula:
Ca2NaMnTi5[Si12O34]O2(OH)3·12H2O
Crystal System:
Orthorhombic
Member of:
This page provides mineralogical data about Escheite.


Classification of EscheiteHide

Approved, Pending publication
Approval Year:
2018

Chemical Properties of EscheiteHide

Formula:
Ca2NaMnTi5[Si12O34]O2(OH)3·12H2O
IMA Formula:
Ca2NaMnTi5[Si12O34]O2(OH)3 · 12H2O

Crystallography of EscheiteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Ama2
Setting:
Ama2
Cell Parameters:
a = 14.2465(2) Å, b = 22.9871(2) Å, c = 13.7304(2) Å
Ratio:
a:b:c = 0.62 : 1 : 0.597
Unit Cell V:
4,496.51 ų (Calculated from Unit Cell)
Comment:
Bbm2 orientation relative to standard setting; ba-c

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.873Å(30)
6.823Å(16)
5.227Å(20)
3.411Å(13)
3.056Å(22)
3.034Å(17)
2.950Å(16)
2.559Å(20)

Type Occurrence of EscheiteHide

Place of Conservation of Type Material:
Deposited in the collections of the Museo delle Collezioni di Mineralogia, Gemmologia, Petrologia e Giacimentologia, Dipartimento di Scienze della Terra “A. Desio”, Università di Milano, catalogue number MCMGPG-H2018-002.

Synonyms of EscheiteHide

Relationship of Escheite to other SpeciesHide

Member of:
Other Members of this group:
ChivruaiiteCa4(Ti,Nb)5(Si6O17)2(OH,O)5 · 13-14H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
Haineaultite(Na,Ca)5Ca(Ti,Nb)5(Si6O17)2(OH,F)8 · 5H2OOrth. 2 2 2 : C2 2 2
ZoriteNa8(Ti,Nb)5(Si6O17)2(OH,O)5 · 14H2OOrth.

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 EscheiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cámara, F., Nestola, F., Ciriotti, M.E., Kolitsch, U., Merlini, M., Blass, G. and Wartha, R. (2018) Escheite, IMA 2018-099. CNMNC Newsletter No. 46, December 2018, page xxxx; Mineralogical Magazine, 82, xxxx–xxxx.

Internet Links for EscheiteHide

Localities for EscheiteHide

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.
Namibia (TL)
 
  • Khomas Region
    • Windhoek Rural
      • Aris
Cámara, F., Nestola, F., Ciriotti, M.E., Kolitsch, U., Merlini, M., Blass, G. and Wartha, R. (2018) Escheite, IMA 2018-099. CNMNC Newsletter No. 46, December 2018, page xxxx; Mineralogical Magazine, 82, xxxx–xxxx.
 
Mineral and/or Locality  
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