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Misenite

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Cerros Pintados ("Cerro Pintados"), Pampa del Tamarugal, Iquique Province, Tarapacá Region, Chile
© 2008, J. Weissman

Formula:
K
 
8
H
 
6
(SO
 
4
)
 
7
System:MonoclinicColour:Colourless (artificial ...
Lustre:Silky, Pearly
Name:After the type locality, Cape Miseno (Capo Miseno), near Naples, Italy.
This page provides mineralogical data about Misenite.

Classification of Misenite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:6/A.06-20
Nickel-Strunz 10th (pending) edition ID:7.AD.15

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
A : Sulfates (selenates, etc.) without additional anions, without H2O
D : With only large cations
Dana 8th edition ID:28.1.2.1

28 : ANHYDROUS ACID AND NORMAL SULFATES
1 : Anhydrous Acid Sulfates
Hey's CIM Ref.:25.1.6

25 : Sulphates
1 : Sulphates of the alkali metals and ammonium
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Type Occurrence of Misenite

Type Locality:Sulphur Cave (Grotto dello Zolfo), Cape Miseno, Phlegrean Fields, Naples Province, Campania, Italy
Year of Discovery:1849
Geological Setting of type material:Fumarole
Associated Minerals at type locality:
KaliniteAlunogen

Physical Properties of Misenite

Lustre:Silky, Pearly
Diaphaneity (Transparency):Transparent, Translucent
Colour:Colourless (artificial material), greyish-white; colourless in transmitted light

Crystallography of Misenite

Crystal System:Monoclinic
Morphology:Fibrous masses and aggregates of needle- or lath-like crystals elongated [100] and flattened {001}. {001} striated [100].

Optical Data of Misenite

Type:Biaxial (+)
RI values: nα = 1.475 nβ = 1.480 nγ = 1.487
2V:Measured: 81° , Calculated: 82°
Maximum Birefringence:δ = 0.012

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:none

Chemical Properties of Misenite

Formula:
K
 
8
H
 
6
(SO
 
4
)
 
7
Essential elements:H, K, O, S
All elements listed in formula:H, K, O, S

Relationship of Misenite to other Species

Related Minerals - Nickel-Strunz Grouping):
7.AD.05Arcanite
K
 
2
SO
 
4
7.AD.05Mascagnite
(NH
 
4
)
 
2
SO
 
4
7.AD.10Mercallite
KHSO
 
4
7.AD.20Letovicite
(NH
 
4
)
 
3
H(SO
 
4
)
 
2
7.AD.25Glauberite
Na
 
2
Ca(SO
 
4
)
 
2
7.AD.30Anhydrite
CaSO
 
4
7.AD.35Anglesite
PbSO
 
4
7.AD.35Baryte
BaSO
 
4
7.AD.35Celestine
SrSO
 
4
7.AD.35Olsacherite
Pb
 
2
SO
 
4
SeO
 
4
7.AD.35Kerstenite
7.AD.40Kalistrontite
K
 
2
Sr(SO
 
4
)
 
2
7.AD.40Palmierite
(K,Na)
 
2
Pb(SO
 
4
)
 
2
Related Minerals - Hey's Index Grouping:
25.1.1Thenardite
Na
 
2
SO
 
4
25.1.2Matteuccite
NaHSO
 
4
·H
 
2
O
25.1.3Mirabilite
Na
 
2
SO
 
4
·10H
 
2
O
25.1.4Arcanite
K
 
2
SO
 
4
25.1.5Mercallite
KHSO
 
4
25.1.7Aphthitalite
(K,Na)
 
3
Na(SO
 
4
)
 
2
25.1.8Mascagnite
(NH
 
4
)
 
2
SO
 
4
25.1.9Letovicite
(NH
 
4
)
 
3
H(SO
 
4
)
 
2
25.1.10Ammonioalunite
(NH
 
4
)Al
 
3
[(OH)
 
3
|SO
 
4
]
 
2

Other Names for Misenite

Synonyms:
Misénite
German names:
Misenit
Spanish names:
Misenita

Other Information

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

References for Misenite

Reference List:Scacchi (1849) Mem. geol. sulla Campania: 98 (as Misénite).

Scacchi (1849) Reale accademia delle scienze fisische e matematiche, Rendus. Naples: 332.

Scacchi (1850) Comptes rendu de l’Académie des sciences de Paris: 31: 263.

Stortenbecker (1902) Rec. trav. chim. Pays-Bas: 21: 399.

Zambonini (1907) Reale accademia delle scienze fisische e matematiche, Naples, Rend.: 328.

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 111.

Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume II: 396-397.

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    Localities for Misenite

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    The 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.
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    (TL) indicates type locality. ? 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.
    Italy
     
    • Campania
      • Naples Province
        • Phlegrean Fields
          • Cape Miseno
    		Mem. Geol. Campania, Napoli (1849): 98; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 396.
        • Somma-Vesuvius Complex
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 395; Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI.
    Mineral and/or Locality
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