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Haüyne

Big Photo

In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, Germany
© Fred Kruijen

Show Haüyne Photos (44)
Formula:
(Na,Ca)
 
4-8
[Al
 
6
Si
 
6
(O,S)
 
24
](SO
 
4
,Cl)
 
1-2
System:IsometricColour:Blue, white, grey, ...
Lustre:Vitreous, GreasyHardness:5½ - 6
Name:Named for Rene Just Haüy (1743-1822), French pioneer in crystallography.


Sodalite Group.

Classification of Haüyne

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/J.11-30
Nickel-Strunz 10th (pending) edition ID:9.FB.10

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
Dana 7th edition ID:76.2.3.3
Dana 8th edition ID:76.2.3.3

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
Hey's CIM Ref.:17.10.4

17 : Silicates Containing other Anions
10 : Silicates with sulphate, molybdate or tungstate
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Type Occurrence of Haüyne

Type Locality:Lake Nemi, Alban Hills, Rome Province, Latium, Italy

Occurrences of Haüyne

Geological Setting:In phonolites and other silica deficient igneous rocks.

Physical Properties of Haüyne

Lustre:Vitreous, Greasy
Diaphaneity (Transparency):Transparent, Translucent
Colour:Blue, white, grey, yellow, green, pink.
Streak:Very pale blue to white.
Hardness (Mohs):5½ - 6
Tenacity:Brittle
Cleavage:Distinct/Good
Distinct on {110}
Fracture:Irregular/Uneven, Conchoidal
Density (measured):2.44 - 2.5 g/cm3

Crystallography of Haüyne

Crystal System:Isometric
Class (H-M):4 3m - Hextetrahedral
Space Group:P4 3n
Cell Parameters:a = 9.11(2) Å
Unit Cell Volume:V 756.06 ų (Calculated from Unit Cell)
Morphology:Dodecahedral or pseudo-octahedral
Twinning:On {111}
Comment:Range: 9.08-9.13

Optical Data of Haüyne

Type:Isotropic
RI values: n = 1.494 - 1.509
Maximum Birefringence:δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:Low

Chemical Properties of Haüyne

Formula:
(Na,Ca)
 
4-8
[Al
 
6
Si
 
6
(O,S)
 
24
](SO
 
4
,Cl)
 
1-2
Essential elements:Al, Na, O, S, Si
All elements listed in formula:Al, Ca, Cl, Na, O, S, Si

Relationship of Haüyne to other Species

Related Minerals - Nickel-Strunz Grouping):
9.FB.05Afghanite
(Na,Ca,K)
 
8
[(Cl
 
2
,SO
 
4
,CO
 
3
)
 
3
|Al
 
6
Si
 
6
O
 
24
] · 0.5H
 
2
O
9.FB.05Bystrite
(Na,K)
 
7
Ca[(S
 
3
)
 
1.5
|Al
 
6
Si
 
6
O
 
24
] · H
 
2
O
9.FB.05Cancrinite
Na
 
6
Ca
 
2
[(CO
 
3
)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
9.FB.05Cancrisilite
Na
 
7
[CO
 
3
|Al
 
5
Si
 
7
O
 
24
] · 3H
 
2
O
9.FB.05Davyne
(Na,K)
 
6
Ca
 
2
[(Cl
 
2
,SO
 
4
)
 
2
|Al
 
6
Si
 
6
SO
 
24
]
9.FB.05Franzinite
(Na,K)
 
6
Ca
 
2
[(SO
 
4
)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 0.5H
 
2
O
9.FB.05Giuseppettite
(Na,K,Ca)
 
7-8
[(SO
 
4
,Cl)
 
1-2
|Al
 
6
Si
 
6
O
 
24
]
9.FB.05Hydroxycancrinite
Na
 
8
[(OH)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
9.FB.05Liottite
(Na,K)
 
16
Ca
 
8
[Cl
 
4
|(SO
 
4
)
 
5
|(Al
 
6
Si
 
6
O
 
24
)
 
3
]
9.FB.05Microsommite
Na
 
4
K
 
2
Ca
 
2
[Cl
 
2
|SO
 
4
|Al
 
6
Si
 
6
O
 
24
]
9.FB.05Pitiglianoite
Na
 
6
K
 
2
[SO
 
4
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
9.FB.05Quadridavyne
(Na,K)
 
6
Ca
 
2
[Cl
 
4
|Al
 
6
Si
 
6
O
 
24
]
9.FB.05Sacrofanite
(Na,Ca,K)
 
9
[{(OH)
 
2
,SO
 
4
,CO
 
3
,Cl
 
2
}
 
3
|Al
 
6
Si
 
6
O
 
24
] · 0.5H
 
2
O
9.FB.05Tounkite
(Na,Ca,K)
 
8
[Cl|(SO
 
4
)
 
2
|Al
 
6
Si
 
6
O
 
24
] · H
 
2
O
9.FB.05Vishnevite
(Na,K)
 
8
[(SO
 
4
,CO
 
3
)|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
9.FB.05Marinellite
(Na,K)
 
42
Ca
 
6
[Cl
 
2
|(SO
 
4
)
 
8
|(Al
 
6
Si
 
6
O
 
24
)
 
6
] · 3 H
 
2
O
9.FB.05Farneseite
(Na,Ca,K)
 
56
[(SO
 
4
)
 
12
|Al
 
42
Si
 
42
O
 
168
] · 6H
 
2
O
9.FB.05Alloriite
(Na,Ca,K)
 
26
Ca
 
4
[Cl
 
6
|(SO
 
4
)
 
6
|(Al
 
6
Si
 
6
O
 
24
)
 
4
]
9.FB.10Bicchulite
Ca
 
2
[(OH)
 
2
|Al
 
2
SiO
 
6
]
9.FB.10Danalite
Fe
2+
4
Be
 
3
[S|(SiO
 
4
)
 
3
]
9.FB.10Genthelvite
Zn
 
4
Be
 
3
[S|(SiO
 
4
)
 
3
]
9.FB.10Helvite
Mn
2+
4
Be
 
3
[S|(SiO
 
4
)
 
3
]
9.FB.10Kamaishilite
Ca
 
2
[(OH)
 
2
|Al
 
2
SiO
 
6
]
9.FB.10Lazurite
(Na,Ca)
 
8
[(S,SO
 
4
,Cl
 
2
)|Al
 
6
Si
 
6
O
 
24
]
9.FB.10Nosean
Na
 
8
[SO
 
4
|Al
 
6
Si
 
6
O
 
24
]
9.FB.10Sodalite
Na
 
8
[Cl
 
2
|Al
 
6
Si
 
6
O
 
24
]
9.FB.10Tsaregorodtsevite
N(CH
 
3
)
 
4
[AlSi
 
5
O
 
12
]
9.FB.10Tugtupite
Na
 
4
[Cl|BeAlSi
 
4
O
 
12
]
9.FB.10Helvine
9.FB.15Marialite
Na
 
4
[Cl|(AlSi
 
3
O
 
8
)
 
3
]
9.FB.15Meionite
Ca
 
4
[CO
 
3
|(Al
 
2
Si
 
2
O
 
8
)
 
3
]
9.FB.15Silvialite
(Ca,Na)
 
4
[(SO
 
4
,CO
 
3
)|(Al
 
2
Si
 
2
O
 
8
)
 
3
]
Related Minerals - Hey's Index Grouping:
17.10.1Nosean
Na
 
8
[SO
 
4
|Al
 
6
Si
 
6
O
 
24
]
17.10.2Pitiglianoite
Na
 
6
K
 
2
[SO
 
4
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
17.10.3Vishnevite
(Na,K)
 
8
[(SO
 
4
,CO
 
3
)|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
17.10.5Liottite
(Na,K)
 
16
Ca
 
8
[Cl
 
4
|(SO
 
4
)
 
5
|(Al
 
6
Si
 
6
O
 
24
)
 
3
]
17.10.6Latiumite
K
 
2
Ca
 
6
(Si,Al)
 
11
O
 
25
(SO
 
4
,CO
 
3
)
17.10.7Tuscanite
(K(Ca,Na)
 
6
(Si,Al)
 
10
O
 
22
[SO
 
4
,CO
 
3
,(OH)
 
2
]·H
 
2
O
17.10.8Microsommite
Na
 
4
K
 
2
Ca
 
2
[Cl
 
2
|SO
 
4
|Al
 
6
Si
 
6
O
 
24
]
17.10.9Delhayelite
(Na,K)
 
10
Ca
 
5
Al
 
6
Si
 
32
O
 
80
(Cl
 
2
,F
 
2
,SO
 
4
)
 
3
·18H
 
2
O
17.10.10Hydrodelhayelite
KCa
 
2
AlSi
 
7
O
 
17
(OH)
 
2
·6H
 
2
O
17.10.11Davyne
(Na,K)
 
6
Ca
 
2
[(Cl
 
2
,SO
 
4
)
 
2
|Al
 
6
Si
 
6
SO
 
24
]
17.10.12Afghanite
(Na,Ca,K)
 
8
[(Cl
 
2
,SO
 
4
,CO
 
3
)
 
3
|Al
 
6
Si
 
6
O
 
24
] · 0.5H
 
2
O
17.10.13Franzinite
(Na,K)
 
6
Ca
 
2
[(SO
 
4
)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 0.5H
 
2
O
17.10.14Giuseppettite
(Na,K,Ca)
 
7-8
[(SO
 
4
,Cl)
 
1-2
|Al
 
6
Si
 
6
O
 
24
]
17.10.15Sacrofanite
(Na,Ca,K)
 
9
[{(OH)
 
2
,SO
 
4
,CO
 
3
,Cl
 
2
}
 
3
|Al
 
6
Si
 
6
O
 
24
] · 0.5H
 
2
O
17.10.16Chessexite
(Na,K)
 
4
Ca
 
2
(Mg,Zn)
 
3
Al
 
8
[(SO
 
4
)
 
10
|(SiO
 
4
)
 
2
] · 40H
 
2
O
17.10.17Innelite
Na
 
2
(Ba,K)
 
4
(Mg,Ca,Fe)Ti
 
3
Si
 
4
O
 
18
(OH,F)
 
1.5
SO
 
4
17.10.18Thaumasite
Ca
 
3
[CO
 
3
|SO
 
4
|Si(OH)
 
6
] · 12H
 
2
O
17.10.19Ellestadite
17.10.20Ellestadite-(Cl)
Ca
 
10
[Cl
 
2
|(SO
 
4
)
 
3
|(SiO
 
4
)
 
3
]
17.10.21Ellestadite-(OH)
Ca
 
10
[(OH,Cl,F)
 
2
|(SO
 
4
)
 
3
|(SiO
 
4
)
 
3
]
17.10.22Ellestadite-(F)
Ca
 
10
[(F,Cl,OH)
 
2
|(SO
 
4
)
 
3
|(SiO
 
4
)
 
3
]
17.10.23Mattheddleite
Pb
 
5
(Si
 
1.2
S
 
1.8
)O
 
12
(Cl
 
0.6
OH
 
0.4
)
17.10.24Queitite
Pb
 
4
Zn
 
2
[SO
 
4
|SiO
 
4
|Si
 
2
O
 
7
]
17.10.25Roeblingite
Pb
 
2
Ca
 
6
Mn
2+
 
[OH|SO
 
4
|Si
 
3
O
 
9
]
 
2
 · 4H
 
2
O
17.10.26Yoshimuraite
Ba
 
2
Mn
 
2
TiOSi
 
2
O
 
7
(PO
 
4
)(OH)
17.10.27Kegelite
Pb
 
12
(Zn,Fe)
 
2
Al
 
4
(SO
 
4
)
 
4
Si
 
11
O
 
38
 or near
17.10.28Wenkite
(Ba,K)
 
4
(Ca,Na)
 
6
[(SO
 
4
)
 
3
|(Si,Al)
 
20
O
 
39
(OH)
 
2
] · 0.5H
 
2
O
17.10.29Macquartite
Pb
 
3
Cu(CrO
 
4
)(SiO
 
3
)(OH)
 
4
·2H
 
2
O
17.10.30Welinite
Mn
3+
6
(W
6+
 
,Mg)
 
0.7
[(O,OH)
 
3
|SiO
 
4
]

Other Names for Haüyne

Synonyms:
AuinaBerzeline (of Necker)HauyniteMarialite (of Ryllo)
German names:
AjuinHauynHauynitIttneritLatialit
ScolopsitSkolopsit
Japanese names:
藍方石
Russian names:
Гаюин
Spanish names:
Hauynita

Other Information

Fluorescence in UV light:Reddish orange to purplish pink in LW
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 Haüyne

Reference List:Bruun-Neergard, T.C. (1807): Ueber den Hauyn (la Hauyne), eine neue mineralische Substanz. Journal des Mines, 21, 365-380.

Bruun-Neergard, T.C. (1807): Ueber den Hauyn (la Hauyne), eine neue mineralische Substanz. Journal of Chemical Physics, 4, 417-429.

Van Peteghem, J.K. and Burley, B.J. (1963) Studies on solid solution between sodalite, nosean, and hauyne. Canadian Mineralogist: 7: 808-813.

Hassan, I. and Grundy, H.D. (1991) The crystal structure of hauyne at 293 and 153 K. Canadian Mineralogist: 29: 123-130.

Internet Links for Haüyne

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    • Localities for Haüyne

    Hide Locality List
    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.
    Afghanistan
     
    • Badakhshan (Badakshan; Badahsan) Province
      • Koksha Valley (Kokscha; Kokcha)
    		Journal of Petrology 43(4):725-747 (2002)
    Armenia
     
    Australia
     
    • Tasmania
      • Huon district
    		Bottrill, RS, 1997. The Minerals of the Cygnet District. The Mineralogical Society of Tasmania Newsletter, 25, p.12
    Austria
     
    • Styria
      • Bad Gleichenberg
        • Wilhelmsdorf
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Canada
     
    • Nunavut Territory
      • Baffin Island
    • Québec
      • Deux-Montagnes Co.
        • Oka complex
    Spain
     
    • Canary Islands
      • Las Palmas Province
        • Gran Canaria (Grand Canary)
          • Arucas
            • Cardones
    		Hernandez-Pacheco, A., (1969): The Tahitites of Gran Canaria and their haüynitization, Bulletin volcanologique, Vol. 33, 701-728
    Hernandez-Pacheco, A., (1969): The Tahitites of Gran Canaria and their haüynitization, Bulletin volcanologique, Vol. 33, 701-728
      • Santa Cruz de Tenerife Province
        • Tenerife
    		Linde,Conrad (1998): "Hauyn-Kristalle von Teneriffa".LAPIS vol 23.(1998) nr 1, p.22
    Ecuador
     
    • Napo Province
    		Earth Planet Sci Let 205:123-138.
    France
     
    • Auvergne
      • Cantal
        • Cantal Mts
          • Menet
            • Brocq-en-Menet
    		R. Pierrot, P. Picot, J.J. Périchaud : "Inventaire Minéralogique du Cantal", BRGM and Editions G. de Bussac, 1971
          • Puy Mary area
    		R. Pierrot, P. Picot, J.J. Périchaud : "Inventaire Minéralogique du Cantal", BRGM and Editions G. de Bussac, 1971
        • Riom-ès-Montagne
    		R. Pierrot, P. Picot, J.J. Périchaud : "Inventaire Minéralogique du Cantal", BRGM and Editions G. de Bussac, 1971
    • Rhône-Alpes
      • Ardèche
        • Plateau des Coirons
    		Bull. Soc. Franç. Minéralo. Cristallo. , 1974, 97, pp. 450-464.
    French Polynesia
     
    • Tahiti
      • Tahiti Iti
        • Teahupoo
    		specimen dealer catalogue
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Feldberg Mt. area
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Freiburg im Breisgau
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Kaiserstuhl
        • Oberbergen
    		No reference listed
        • Oberrotweil
    		No reference listed
    Fricke, G., (1988): Der Kaiserstuhl und seine Minerale, Der Aufschluss, Vol. 39(2), 74-76
    • Hesse
      • Odenwald
        • Reinheim
          • Roßdorf
    		S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Rhineland-Palatinate
      • Eifel Mts
        • Andernach
          • Eich
    		Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
        • Bad Breisig
          • Brohl-Lützing (Niederlützingen)
    		Brauns, R., Die Mineralien der Niederrheinischen Vulkangebiete, Schweizerbart, Stuttgart, 1922
        • Daun
          • Brück-Dreis
    		Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
    Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
          • Üdersdorf
    		Schüller, W., Betz, V., Die Mineralien vom Emmelberg, Lapis 12/1986
    Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag, München (2. Auflage), 1987
        • Gerolstein
          • Roth
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
        • Hillesheim
          • Steffeln
    		A. Wittern: Mineralfundorte in Deutschland, Schweizerbart (Stuttgart), 2001
    Hentschel, G., Die Lavaströme der Graulai: eine neue Fundstelle in der Westeifel, Lapis, Weise Verlag München, 09/1993
        • Laach lake volcanic complex
          • Kruft
    		Nose, C.W., Mineralogische Studien über die Gebirge am Niederrhein, J.J.Nöggerath (Herausgeber) Frankfurt /Main, 1808
          • Mendig
            • Niedermendig
    		Nose, C.W., Mineralogische Studien über die Gebirge am Niederrhein, J.J.Nöggerath (Herausgeber) Frankfurt /Main, 1808
    [Nose, C.W., Mineralogische Studien über die Gebirge am Niederrhein, J.J.Nöggerath (Herausgeber) Frankfurt /Main, 1808], [Minealien Welt 1/93:14]
              • Wingertsberg Mt.
    		Nose, C.W., Mineralogische Studien über die Gebirge am Niederrhein, J.J.Nöggerath (Herausgeber) Frankfurt /Main, 1808
          • Niederzissen
            • Glees
    		Nose, C.W., Mineralogische Studien über die Gebirge am Niederrhein, J.J.Nöggerath (Herausgeber) Frankfurt /Main, 1808
        • Mayen
          • Ettringen
    		[Nose, C.W., Mineralogische Studien über die Gebirge am Niederrhein, J.J.Nöggerath (Herausgeber) Frankfurt /Main, 1808] [Lapis, 15 (5), 9-36]
            • Hochstein Mt. (Hohestein Mt.; Forstberg Mt.)
    		Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
          • Hochsimmer volcano
            • St Johann
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
        • Mendig
          • Bell
    		Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
          • Niedermendig
    		Brauns, R., Die Mineralien der Niederrheinischen Vulkangebiete, Schweizerbart, Stuttgart, 1922
        • Niederzissen
          • Glees
    		Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
          • Hannebach
    		Brauns, R., Die Mineralien der Niederrheinischen Vulkangebiete, Schweizerbart, Stuttgart, 1922
    Brauns, R., Die Mineralien der Niederrheinischen Vulkangebiete, Schweizerbart, Stuttgart, 1922
          • Wassenach
    		Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
        • Polch
          • Ochtendung
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    Greenland
     
    • Tunu (East Greenland) Province
      • Kangerlussuaq Firth
        • Kangerlussuaq complex
    		MinRec 24:1-15
    Guinea
     
    Italy
     
    • Abruzzo
      • L'Aquila Province
        • Carsoli
          • Pietrasecca
    		Comodi, P., Liu, Y., Stoppa, F., & Woolley, A. (1999). A multi-method analysis of Si-, S- and REE-rich apatite from a new find of kalsilite-bearing leucitite (Abruzzi, Italy). Mineralogical Magazine, 63: 661-672.
    • Basilicata
      • Potenza Province
        • Mt. Vulture
    		F. Stoppa and Y. Liu, Eur. J. Mineral. , 1995, 7, pp. 391-402.
    F. Stoppa and Y. Liu, Eur. J. Mineral. , 1995, 7, pp. 391-402.
    A. Del Caldo, C. Moro, C.M. Gramaccioli, M. Boscardin: Guida ai Minerali - Fabbri ed. 1973
    F. Stoppa and Y. Liu, Eur. J. Mineral. , 1995, 7, pp. 391-402.
    F. Stoppa and Y. Liu, Eur. J. Mineral. , 1995, 7, pp. 391-402.
    • Campania
      • Naples Province
        • Somma-Vesuvius Complex
    		No reference listed
            • Ercolano
              • San Vito
    		Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI
            • Pollena - Trocchia area
    		Russo, M., Punzo, I. (2004): I Minerali del Somma-Vesuvio, AMI
    Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI
            • Torre del Greco
    		Russo, M. (2003): Mineralogia Vesuviana - Villa Inglese. Micro (località), 2003, 1-10
    • Latium
      • Rome Province
    		Federico, M., Peccerillo, A., (2002): Mineral chemistry and petrogenesis of granular ejecta from the Alban Hills volcano, Mineralogy and Petrology, Vol 74, 223-252
          • Albano Laziale
    		Gianfagna, A., Merlino, S., Perchiazzi, N. (1988). Guarinite, a new finding in the sanidinite ejecta of the IV Hydromagmatic Unit from Albano lake crater, Latium, Italy. Periodico di Mineralogia, 57: 81-84.
    De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol
    Mariani P., Scaini G.: "I minerali d'Italia" - Rizzoli, 1978 –
    ▪ Bruun-Neergard, T.C. (1807): Ueber den Hauyn (la Hauyne), eine neue mineralische Substanz. Journal des Mines, 21, 365-380.
        • Campagnano di Roma
            • Sacrofano Caldera
        • Tivoli
    		No reference listed
      • Viterbo Province
        • Onano
    		Cresta, S., Duronio, F., Mancinella, D. (2002): Geositi e sistema delle arre protette del Lazio: idee per la geoconservazione. Il Cercapietre, 1-2/2002, 48-55
        • Vico Lake
    		No reference listed
    • Sardinia
      • Oristano Province
        • Narbolia
    		Conti-Vecchi, G. & Stara, P. (1991): Minerali della Sardegna. Edizioni della Torre, Cagliari, 276p.
    • Tuscany
      • Grosseto Province
    Liotti L., 1991. I minerali dei vulcani laziali a Pitigliano (Grosseto). Riv. Mineral. Ital., 15 (3): 121-139.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
    		www.koeln.netsurf.de/~w.steffens/khib.htm
    Spain
     
    • Catalonia
      • Girona (Gerona)
        • Garrotxa
          • Olot
    		Aufschluss 1978(5), 157-160
    Sweden
     
    • Dalarna
      • Älvdalen
        • Särna
    		No reference listed
    No reference listed
    • Uppland
      • Uppsala
        • Almunge
    		No reference listed
    USA
     
    • Colorado
      • Boulder Co.
    		Minerals of Colorado (1997) Eckels, E. B.
        • Wallstreet
    		Minerals of Colorado (1997) E.B. Eckels
      • Clear Creek Co.
    		Minerals of Colorado (1997) Eckels, E. B.
      • Huerfano Co.
    		Minerals of Colorado (1997) Eckels, E. B.
      • Las Animas Co.
    		Minerals of Colorado (1997) Eckels, E. B.
      • Teller Co.
    		Min Rec 36:2 pp143-185
    • New Jersey
      • Sussex Co.
        • Wantage Township
          • Libertyville
    		Rutgers Univ. Bull. #5, Pt 1:53-54.
    • New Mexico
    		Northrop, Minerals of New Mexico, 3rd rev. ed., 1996
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    • New York
      • St Lawrence Co.
    		Jensen (1978) Minerals of New York State,p.46
    • South Dakota
      • Lawrence Co.
        • Spearfish Canyon
    		SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
    Mineral and/or Locality
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