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Sveite

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Formula:
KAl7(NO3)4(OH)16Cl2 · 8H2O
Colour:
White
Crystal System:
Monoclinic
Name:
From SVE, the acronym for the Sociedad Venezolana de Espeleogia, whose members collected the original specimen.
This page provides mineralogical data about Sveite.


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Classification of SveiteHide

Approved
Approval Year:
1980
5.ND.20

5 : CARBONATES (NITRATES)
N : NITRATES
D : With OH (etc.) and H2O
Dana 7th ed.:
19.2.3.1
19.1.3.1

19 : NITRATES CONTAINING HYDROXYL OR HALOGEN
1 : Anhydrous Nitrates Containing Hydroxyl or Halogen
13.8

13 : Nitrates

Physical Properties of SveiteHide

Colour:
White

Optical Data of SveiteHide

Type:
Biaxial (+)
RI values:
nα = 1.501 nβ = 1.503 nγ = 1.535
2V:
Calculated: 30°
Max Birefringence:
δ = 0.034
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
relatively strong

Chemical Properties of SveiteHide

Formula:
KAl7(NO3)4(OH)16Cl2 · 8H2O

Crystallography of SveiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 10.89 Å, b = 13.04 Å, c = 30.71 Å
β = 92.1°
Ratio:
a:b:c = 0.835 : 1 : 2.355
Unit Cell V:
4,358.06 ų (Calculated from Unit Cell)

Type Occurrence of SveiteHide

Synonyms of SveiteHide

Other Language Names for SveiteHide

German:Sveit
Spanish:Sveita

Related Minerals - Nickel-Strunz GroupingHide

5.ND.05LikasiteCu3(NO3)(OH)5 · 2H2OOrth. mmm (2/m 2/m 2/m)
5.ND.10Mbobomkulite(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 3H2OMon.
5.ND.15Hydrombobomkulite(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 13-14H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

13.1NitratineNaNO3Trig. 3m (3 2/m) : R3c
13.2NiterKNO3Orth. mmm (2/m 2/m 2/m) : Pmma
13.3GerhardtiteCu2(NO3)(OH)3Orth. 2 2 2 : P21 21 21
13.4NitromagnesiteMg(NO3)2 · 6H2OMon. 2/m
13.5NitrocalciteCa(NO3)2 · 4H2OMon. 2/m
13.6NitrobariteBa(NO3)2Iso. m3 (2/m 3) : Pa3
13.7ButtgenbachiteCu19(NO3)2(OH)32Cl4 · 2H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
13.9DarapskiteNa3(SO4)(NO3) · H2OMon. 2/m
13.10HumberstoniteNa7K3Mg2(SO4)6(NO3)2 · 6H2OTrig. 3 : R3
13.11Mbobomkulite(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 3H2OMon.
13.12Hydrombobomkulite(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 13-14H2OMon.
13.13Nickelalumite(Ni,Cu)Al4(SO4,(NO3)2)(OH)12 · 3H2OMon.

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 SveiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bol. Soc. Venezolano Espeleologia (1980), 21, 13-16.
American Mineralogist (1982): 67: 1076.
Transactions of the Geological Society of South Africa: 83: 239-241.

Internet Links for SveiteHide

Localities for SveiteHide

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

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
USA
 
  • California
    • San Joaquin Co.
OCCURRENCE AND PROPERTIES OF SVEITE IN THE NORTHEASTERN SAN JOAQUIN VALLEY, CALIFORNIA-- R. C. Graham, J. O. Ervin, and W. M. Graham in Clays and Clay Minerals, Vol. 36, No. 6, 580-583, 1988.
Venezuela (TL)
 
  • Amazonas
J.E.J. Martini, (1980) Sveite, a new mineral from Autana Cave, Territorio Federal Amazonas, Venezuela Trans. Geol. Soc. S. Africa, 83, 239-241.
Franco Urbani (2009) Venezuelan Cave Minerals: Second Review. Mineralogy 1 2009 ICS Proceedings. In 15th International Congress of Speleology. p 345
Mineral and/or Locality  
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