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Stöfflerite

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Dieter Stöffler
Formula:
CaAl2Si2O8
Crystal System:
Tetragonal
Name:
Named in honor of Dieter Stöffler, expert on meteorites and former Director of the Natural History Museum Berlin, Germany.
This page provides mineralogical data about Stöfflerite.


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Classification of StöffleriteHide

Approved, Pending publication
Approval Year:
2017

Chemical Properties of StöffleriteHide

Formula:
CaAl2Si2O8

Crystallography of StöffleriteHide

Crystal System:
Tetragonal
Class (H-M):
4/m - Dipyramidal
Space Group:
I4/m
Cell Parameters:
a = 9.255(1) Å, c = 2.745(3) Å
Ratio:
a:c = 1 : 0.297
Unit Cell V:
235.12 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.54(31)
4.63(42)
2.93(80)
2.05(100)
1.74(32)
1.54(37)
1.46(41)
1.28(44)

Type Occurrence of StöffleriteHide

Place of Conservation of Type Material:
E. Stolper's Martian Meteorite Collection, Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, USA, thin section of NWA 856

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 StöffleriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Tschauner, O., Ma, C. (2017): Stöfflerite, IMA 2017-062. CNMNC Newsletter No. 39, October 2017, page 1285; Mineralogical Magazine, 81, 1279–1286.

Internet Links for StöffleriteHide

Localities for StöffleriteHide

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.
Morocco (TL)
 
Tschauner, O., Ma, C. (2017): Stöfflerite, IMA 2017-062. CNMNC Newsletter No. 39, October 2017, page 1285; Mineralogical Magazine, 81, 1279–1286; http://forum.amiminerals.it/viewtopic.phpf=5&t=14029&sid=1bd8fea6f10174ac7bdd04a79c06bffd (2017
Mineral and/or Locality  
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