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Verneite

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About VerneiteHide

Jules G. Verne
Formula:
Na2Ca3Al2F14
Colour:
colorless to pale yellow
Specific Gravity:
2.974 (Calculated)
Crystal System:
Isometric
Name:
Named in honor of the French novelist Jules Verne [8 February 1828 – 24 March 1905], author of several adventure novels including Journey to the Center of the Earth (1864), in which the characters enter the volcano Snæfellsjökull, Iceland trying to find a way toward the centre of the Earth.
Known synthetic analogue.



Classification of VerneiteHide

Approved
Approval Year:
2016
First Published:
2018

Physical Properties of VerneiteHide

Transparency:
Transparent
Colour:
colorless to pale yellow
Density:
2.974 g/cm3 (Calculated)

Chemical Properties of VerneiteHide

Formula:
Na2Ca3Al2F14
Common Impurities:
K

Crystallography of VerneiteHide

Crystal System:
Isometric
Class (H-M):
2 3 - Tetartoidal
Space Group:
I21 3
Cell Parameters:
a = 10.264(1) Å
Unit Cell V:
1081.4 ų
Z:
4
Morphology:
Isometric crystals up to 20 microns in diameter, with {110}, {100}, and {111} as the main forms.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.18(76)
3.23(68)
2.95(100)
2.184(78)
2.009(98)
1.871(75)
1.811(84)
1.663(66)
Comments:
From Type Description.

Occurrences of VerneiteHide

Paragenetic Mode(s):
•  Fumarolic

Type Occurrence of VerneiteHide

General Appearance of Type Material:
White-yellowish to brown crusts and massive aggregates up to several mm in size, sometimes also in transparent, colorless to pale yellowish crystals.
Place of Conservation of Type Material:
The Icelandic Institute of Natural History, Gardabaer, Iceland # NI 15509, NI 15518 and NI 17046 (Hekla holotype) and NI 12256 (Eldfell – cotype), University of Copenhagen, Denmark, # E4-1A, E4-2A and E4-2B.
Geological Setting of Type Material:
In fumaroles
Associated Minerals at Type Locality:
Reference:
Balić-Žunić, T., Garavelli, A., Pinto, D. and Mitolo, D. (2018) Verneite, Na2Ca3Al2F14, a new aluminum fluoride mineral from Icelandic and Vesuvius fumaroles. Minerals: 8: 553-562.

Synonyms of VerneiteHide

Fluorescence of VerneiteHide

None observed

Other InformationHide

Electrical:
It may be piezoelectric due to its space group symmetry
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 VerneiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Balić-Žunić, T., Garavelli, A., Pinto, D. and Mitolo, D. (2017) Verneite, IMA 2016-112. CNMNC Newsletter No. 36, April 2017, page 408. Mineralogical Magazine: 81: 403–409.
Balić-Žunić, T., Garavelli, A., Pinto, D. and Mitolo, D. (2018) Verneite, Na2Ca3Al2F14, a new aluminum fluoride mineral from Icelandic and Vesuvius fumaroles. Minerals: 8: 553-562.

Internet Links for VerneiteHide

Localities for VerneiteHide

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.
Iceland (TL)
 
  • Southern Region
Balić-Žunić, T., Garavelli, A., Pinto, D. and Mitolo, D. (2017) Verneite, IMA 2016-112. CNMNC Newsletter No. 36, April 2017, page 408; Mineralogical Magazine: 81: 403–409
    • Vestmannaeyjar archipelago (Westman islands)
      • Heimaey island
Balić-Žunić, T., Garavelli, A., Pinto, D. and Mitolo, D. (2017) Verneite, IMA 2016-112. CNMNC Newsletter No. 36, April 2017, page 408; Mineralogical Magazine: 81: 403–409.
Italy (TL)
 
  • Campania
    • Naples
      • Somma-Vesuvius Complex
Balić-Žunić, T., Garavelli, A., Pinto, D. and Mitolo, D. (2017) Verneite, IMA 2016-112. CNMNC Newsletter No. 36, April 2017, page 408; Mineralogical Magazine: 81: 403–409
Mineral and/or Locality  
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