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Misenite

A valid IMA mineral species - grandfathered
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About MiseniteHide

00306080015702872456570.jpg
Cape Miseno, Italy
Formula:
K8H6(SO4)7
Colour:
Colourless (artificial material), greyish-white; colourless in transmitted light
Lustre:
Silky, Pearly
Specific Gravity:
2.32
Crystal System:
Monoclinic
Name:
After the type locality, Cape Miseno (Capo Miseno), near Naples, Italy.
Soluble in H2O; solution has a bitter and acid taste.


Unique IdentifiersHide

Mindat ID:
2726
Long-form identifier:
mindat:1:1:2726:3
GUID
(UUID V4):
86b333e6-e9f6-4a8b-a2c4-3153b3d2fbd6

IMA Classification of MiseniteHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
K8(SO4)(SO3OH)6
First published:
1849

Classification of MiseniteHide

7.AD.15

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
A : Sulfates (selenates, etc.) without additional anions, without H2O
D : With only large cations
28.1.2.1

28 : ANHYDROUS ACID AND NORMAL SULFATES
1 : Anhydrous Acid Sulfates
25.1.6

25 : Sulphates
1 : Sulphates of the alkali metals and ammonium

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
MseIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of MiseniteHide

Silky, Pearly
Transparency:
Transparent, Translucent
Colour:
Colourless (artificial material), greyish-white; colourless in transmitted light
Cleavage:
Distinct/Good
{010}, distinct.
Density:
2.32 g/cm3 (Measured)    2.37 g/cm3 (Calculated)

Optical Data of MiseniteHide

Type:
Biaxial (+)
RI values:
nα = 1.475(3) nβ = 1.480(3) nγ = 1.487(3)
2V:
Measured: 81° , Calculated: 82°
Max Birefringence:
δ = 0.012
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
none

Chemistry of MiseniteHide

Mindat Formula:
K8H6(SO4)7

Crystallography of MiseniteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 23.00 Å, b = 7.104 Å, c = 8.710 Å
β = 102.05°
Ratio:
a:b:c = 3.238 : 1 : 1.226
Unit Cell V:
1,391.79 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Fibrous masses and aggregates of needle- or lath-like crystals elongated [100] and flattened {001}. {001} striated [100].
Comment:
Point Group: n.d.; Space Group: n.d.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.24 Å(100)
3.648 Å(57)
4.92 Å(43)
4.83 Å(37)
3.592 Å(33)
3.490 Å(27)
2.892 Å(27)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
45a : [Sulfates, arsenates, selenates, antimonates]

Type Occurrence of MiseniteHide

Place of Conservation of Type Material:
1) Natural History Museum, Paris, France, 100781.
2) The Natural History Museum, London, England, 60393.
Geological Setting of Type Material:
Fumarole
Associated Minerals at Type Locality:
Reference:
Scacchi, A. (1849) Memoria IIIa. Esame delle sostanze che si formano presso i fumaroli della Regione Flegrea. Memorie Geologiche sulla Campania 3a, (Napoli): 83-131 (98). (as Misénite)

Synonyms of MiseniteHide

Other Language Names for MiseniteHide

German:Misenit
Spanish:Misenita

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Misenite associated with HaliteNaCl

Related Minerals - Strunz-mindat GroupingHide

7.AD.CalciolangbeiniteK2Ca2(SO4)3 Iso. 2 3 : P21 3
7.AD.BubnovaiteK2Na8Ca(SO4)6Trig. 3m : P3 1c
7.AD.DobrovolskyiteNa4Ca(SO4)3Trig. 3 : R3
7.AD.MurphyitePb(Te6+O4)Mon. 2/m : P21/b
7.AD.CuprodobrovolskyiteNa4Cu(SO4)3Trig. 3 : R3
7.AD.KristjániteKNa2H(SO4)2Mon. 2/m
7.AD.05ArcaniteK2SO4Orth. mmm (2/m 2/m 2/m)
7.AD.05Mascagnite(NH4)2SO4Orth. mmm (2/m 2/m 2/m) : Pnma
7.AD.10MercalliteKHSO4Orth. mmm (2/m 2/m 2/m) : Pbca
7.AD.20Letovicite(NH4)3H(SO4)2Tric.
7.AD.25GlauberiteNa2Ca(SO4)2Mon. 2/m : B2/b
7.AD.25ThénarditeNa2SO4Orth. mmm (2/m 2/m 2/m) : Fddd
7.AD.30AnhydriteCaSO4Orth. mmm (2/m 2/m 2/m)
7.AD.30MetathénarditeNa2SO4Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
7.AD.35AnglesitePbSO4Orth. mmm (2/m 2/m 2/m) : Pnma
7.AD.35BaryteBaSO4Orth. mmm (2/m 2/m 2/m) : Pnma
7.AD.35CelestineSrSO4Orth. mmm (2/m 2/m 2/m) : Pnma
7.AD.35OlsacheritePb2(Se6+O4)(SO4)Orth.
7.AD.40KalistrontiteK2Sr(SO4)2Trig. 3m (3 2/m) : R3m
7.AD.40PalmieriteK2Pb(SO4)2Trig. 3m (3 2/m) : R3m
7.AD.45IvsiteNa3H(SO4)2Mon. 2/m : P21/b
7.AD.55MarkhininiteTlBi(SO4)2Tric. 1 : P1

Other InformationHide

Notes:
Soluble in water, yielding an acidic solution.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for MiseniteHide

References for MiseniteHide

Localities for MiseniteHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Chile
 
  • Tarapacá
    • Tamarugal Province
Excalibur Mineral Co. specimen
Italy (TL)
 
  • Campania
    • Naples
      • Bacoli
        • Miseno
Scacchi A. (1849) +3 other references
Francesco Civero
      • Somma-Vesuvius Complex
Palache et al. (1951) +1 other reference
Russo et al. (2004)
Poland
 
  • Silesian Voivodeship
    • Wodzisław County
      • Radlin
Łukasz Kruszewski (2012)
 
矿物 and/or 产地  
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