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Hyalophane

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Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia Canton, Federation of Bosnia and Herzegovina, Bosnia and Herzegovina
© fabreminerals.com

Show Hyalophane Photos (37)



Formula:
(K,Ba)[Al(Si,Al)Si
 
2
O
 
8
]
System:MonoclinicHardness:6 - 6½
Member of:Feldspar Group
Name:From the Greek ύαλος for "glass" and φαίνεσθαι, "to appear," in allusion to the transparency of its crystals.


Feldspar Group. Celsian-Hyalophane Series, and the Hyalophane-Orthoclase Series (intermediate member).

Originally reported from Lengenbach Quarry, Im Feld (Imfeld; Feld; Fäld), Binn Valley, Wallis (Valais), Switzerland.

Classification of Hyalophane

IMA status:Questionable/Doubtful
Strunz 8th edition ID:8/J.06-50
Nickel-Strunz 10th (pending) edition ID:9.FA.30

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
A : Tektosilicates without additional non-tetrahedral anions
Dana 8th edition ID:76.1.1.3

76 : TECTOSILICATES Al-Si Framework
1 : Al-Si Framework with Al-Si frameworks
Hey's CIM Ref.:16.12.10

16 : Silicates Containing Aluminum and other Metals
12 : Aluminosilicates of Sr, Ba and Zn
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Type Occurrence of Hyalophane

Type Locality:Lengenbach Quarry, Im Feld (Imfeld; Feld; Fäld), Binn Valley, Wallis (Valais), Switzerland
Year of Discovery:1855

Physical Properties of Hyalophane

Hardness (Mohs):6 - 6½

Crystallography of Hyalophane

Crystal System:Monoclinic
Cell Parameters:a = 8.52Å, b = 12.95Å, c = 7.14Å
β = 116°
Ratio:a:b:c = 0.658 : 1 : 0.551
Unit Cell Volume:V 708.06 ų (Calculated from Unit Cell)

Optical Data of Hyalophane

Type:Biaxial (-)
RI values: nα = 1.542 nβ = 1.545 nγ = 1.547
Maximum Birefringence:δ = 0.005

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:weak

Chemical Properties of Hyalophane

Formula:
(K,Ba)[Al(Si,Al)Si
 
2
O
 
8
]
Essential elements:Al, K, O, Si
All elements listed in formula:Al, Ba, K, O, Si
Common Impurities:Ti,Na,Fe,Mg,Ca,H20

Relationship of Hyalophane to other Species

Series:Forms a series with Orthoclase (see here)
Forms a series with Celsian (see here)
Member of:Feldspar Group
Other Members of Group:

- +
Albite
NaAlSi
 
3
O
 
8
Andesine
(Na,Ca)[Al(Si,Al)Si
 
2
O
 
8
]
Anorthite
CaAl
 
2
Si
 
2
O
 
8
Anorthoclase
(Na,K)AlSi
 
3
O
 
8
Banalsite
BaNa
 
2
[Al
 
2
Si
 
2
O
 
8
]
 
2
Buddingtonite
(NH
 
4
)AlSi
 
3
O
 
8
Bytownite
(Ca,Na)[Al(Al,Si)Si
 
2
O
 
8
]
Celsian
BaAl
 
2
Si
 
2
O
 
8
Dmisteinbergite
CaAl
 
2
Si
 
2
O
 
8
Labradorite
(Ca,Na)[Al(Al,Si)Si
 
2
O
 
8
]
Microcline
KAlSi
 
3
O
 
8
Oligoclase
(Na,Ca)[Al(Si,Al)Si
 
2
O
 
8
]
Orthoclase
KAlSi
 
3
O
 
8
Paracelsian
BaAl
 
2
Si
 
2
O
 
8
Reedmergnerite
Na[BSi
 
3
O
 
8
]
Sanidine
KAlSi
 
3
O
 
8
Slawsonite
(Sr,Ca)Al
 
2
Si
 
2
O
 
8
Stronalsite
SrNa
 
2
[Al
 
2
Si
 
2
O
 
8
]
 
2
Svyatoslavite
CaAl
 
2
Si
 
2
O
 
8
Related Minerals - Nickel-Strunz Grouping):

- +
9.FA.05Kaliophilite
KAlSiO
 
4
9.FA.05Kalsilite
KAlSiO
 
4
9.FA.05Nepheline
(Na,K)AlSiO
 
4
9.FA.05Panunzite
(Na,K)AlSiO
 
4
9.FA.05Trikalsilite
(Na,K)AlSiO
 
4
9.FA.05Yoshiokaite
(Ca,Na)[Al(Al,Si)O
 
4
]
9.FA.05Megakalsilite
KAlSiO
 
4
9.FA.10Malinkoite
NaBSiO
 
4
9.FA.15Virgilite
LiAlSi
 
2
O
 
6
9.FA.25Lisitsynite
KBSi
 
2
O
 
6
9.FA.30Adularia
KAlSi
 
3
O
 
8
9.FA.30Anorthoclase
(Na,K)AlSi
 
3
O
 
8
9.FA.30Buddingtonite
(NH
 
4
)AlSi
 
3
O
 
8
9.FA.30Celsian
BaAl
 
2
Si
 
2
O
 
8
9.FA.30Microcline
KAlSi
 
3
O
 
8
9.FA.30Orthoclase
KAlSi
 
3
O
 
8
9.FA.30Sanidine
KAlSi
 
3
O
 
8
9.FA.30Rubicline
(Rb,K)AlSi
 
3
O
 
8
9.FA.30Monalbite
NaAlSi
 
3
O
 
8
9.FA.35Albite
NaAlSi
 
3
O
 
8
9.FA.35Andesine
(Na,Ca)[Al(Si,Al)Si
 
2
O
 
8
]
9.FA.35Anorthite
CaAl
 
2
Si
 
2
O
 
8
9.FA.35Bytownite
(Ca,Na)[Al(Al,Si)Si
 
2
O
 
8
]
9.FA.35Labradorite
(Ca,Na)[Al(Al,Si)Si
 
2
O
 
8
]
9.FA.35Oligoclase
(Na,Ca)[Al(Si,Al)Si
 
2
O
 
8
]
9.FA.35Reedmergnerite
Na[BSi
 
3
O
 
8
]
9.FA.40Paracelsian
BaAl
 
2
Si
 
2
O
 
8
9.FA.45Svyatoslavite
CaAl
 
2
Si
 
2
O
 
8
9.FA.45Kumdykolite
NaAlSi
 
3
O
 
8
9.FA.50Slawsonite
(Sr,Ca)Al
 
2
Si
 
2
O
 
8
9.FA.55Lisetite
CaNa
 
2
Al
 
4
Si
 
4
O
 
16
9.FA.60Banalsite
BaNa
 
2
[Al
 
2
Si
 
2
O
 
8
]
 
2
9.FA.60Stronalsite
SrNa
 
2
[Al
 
2
Si
 
2
O
 
8
]
 
2
9.FA.65Danburite
CaB
 
2
Si
 
2
O
 
8
9.FA.65Maleevite
BaB
 
2
Si
 
2
O
 
8
9.FA.65Pekovite
SrB
 
2
Si
 
2
O
 
8
9.FA.70Lingunite
(Na,Ca)AlSi
 
3
O
 
8
9.FA.75Kokchetavite
KAlSi
 
3
O
 
8
Related Minerals - Hey's Index Grouping:

- +
16.12.1Stronalsite
SrNa
 
2
[Al
 
2
Si
 
2
O
 
8
]
 
2
16.12.2Slawsonite
(Sr,Ca)Al
 
2
Si
 
2
O
 
8
16.12.3Brewsterite
16.12.4Celsian
BaAl
 
2
Si
 
2
O
 
8
16.12.5Paracelsian
BaAl
 
2
Si
 
2
O
 
8
16.12.6Cymrite
BaAl
 
2
Si
 
2
(O,OH)
 
8
 · H
 
2
O
16.12.7Edingtonite
Ba[Al
 
2
Si
 
3
O
 
10
] · 4H
 
2
O
16.12.8Banalsite
BaNa
 
2
[Al
 
2
Si
 
2
O
 
8
]
 
2
16.12.9Harmotome
(Ba
 
0.5
,Ca
 
0.5
,K,Na)
 
5
[Al
 
5
Si
 
11
O
 
32
] · 12H
 
2
O
16.12.11Balipholite
BaLiMg
 
2
Al
 
3
(Si
 
2
O
 
6
)
 
2
(OH)
 
4
16.12.12Armenite
BaCa
 
2
Al
 
6
Si
 
9
O
 
30
 · 2H
 
2
O
16.12.13Wellsite
(Ba,Ca,K
 
2
)Al
 
2
Si
 
6
O
 
16
 · 6H
 
2
O
16.12.14Merlinoite
(K,Na)
 
5
(Ca,Ba)
 
2
Al
 
9
Si
 
23
O
 
64
 · 23H
 
2
O
16.12.15Anandite
(Ba,K)(Fe
2+
 
,Mg)
 
3
((Si,Al,Fe)
 
4
O
 
10
)(S,OH)
 
2
16.12.16Fraipontite
(Zn,Al)
 
3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
16.12.17Sauconite
Na
 
0.3
Zn
 
3
((Si,Al)
 
4
O
 
10
)(OH)
 
2
 · 4H
 
2
O
16.12.18Minehillite
(K,Na)
 
2-3
Ca
 
28
Zn
 
4
Al
 
4
Si
 
40
O
 
112
(OH)
 
16
16.12.19Hendricksite
K(Zn,Mg,Mn
2+
 
)
 
3
(AlSi
 
3
O
 
10
)(OH)
 
2
16.12.20Baileychlore
(Zn,Fe,Al,Mg)
 
6
((Si,Al)
 
4
O
 
10
)(OH)
 
8

Other Names for Hyalophane

Synonyms:
Jaloallofane
Other Languages:
German:Hyalophan
Japanese:ハイアロフェン
Russian:Гиалофан
Simplified Chinese:钡冰长石

Other Information

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 Hyalophane

Reference List:

- +
Dana, E.S. (1892) Dana's System of Mineralogy, (6th edition), 321-322.

Deer, W.A., R.A. Howie, and J. Zussman (1963) Rock-forming Minerals, volume 4, Framework Silicates, 166-178.

Gay, Peter & N.N. Roy (1965), The mineralogy of the potassium-barium feldspar series: III. Subsolid relationships: Mineralogical Magazine: 36: 914-932.

Acta Crystallographica: 33: 3073-3076.

De Pieri, R., S. Quareni, and K.M. Hall (1977) Refinement of the structures of low and high hyalophanes. Acta Crystallographica, 33, 3073-3076.

Phillips, W.R. and D.T. Griffen (1981) Optical Mineralogy, 360-363.

Mineralogical Record (1996): 27: 325-346.

Internet Links for Hyalophane

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    • Localities for Hyalophane

    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.
    Hide Locality List
    (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.
    Australia
     
    • New South Wales
      • Yancowinna Co.
    		Birch BH Book
    • South Australia
      • Mt Lofty Ranges
        • South Mt Lofty Ranges
          • Nairne
    		J. Graham : "Manganochromite, palladium antimonide, and some unusual mineral associations at the Nairne pyrite deposit, South Australia", American Mineralogist, Vol. 63, 1978, pp. 1166-1174.
    • Western Australia
      • Newman
    		Econ Geol (1987) 82:805-825
    Azerbaijan
     
    • Qobustan (Gobustan; Kobustan) District
      • Caspian Sea
    		Novgorodova M.I., Mamedov Yu.G.. Native aluminium from mud volcano at the Bulla island (caspian Sea), - Lithology and Mineral Resourses,1996,N4,p. 339-349
    Bosnia and Herzegovina
     
    • Federation of Bosnia and Herzegovina
      • Central Bosnia Canton
        • Busovača
          • Zagradski Creek
    		Jurkoviae, I., Slovenec, D., and Namjesnik, K. (1993): Bulletin of the Geological Society of Greece 28(3), 677-690.
    Canada
     
    • British Columbia
      • Greenwood Mining Division
        • Grand Forks
    		www.em.gov.bc.ca/cf/minfile file no. 082ESE070.
    • New Brunswick
      • Gloucester Co.
        • Bathurst Parish
          • Bathurst Mining Camp
    		McClenaghan, S.H., Lentz, D.R., Martin, J., and Diegor, W.G. (2009): Mineralium Deposita 44, 523-557.
    • Ontario
      • Thunder Bay District
    		The Canadian Mineralogist Vol. 44, pp. 929-942 (2006)
    • Saskatchewan
    China
     
    • Guangxi Zhuang Autonomous Region
      • Hechi Prefecture
        • Nandan Co.
    		Lianxing Gu, Khin Zaw, Wenxuan Hu, Kaijun Zhang, Pei Ni, Jinxiang He, Yaotong Xu, Jianjun Lu, and Chunming Li (2007): Ore Geology Reviews 31(1-4), 107-138.
    • Guizhou Province
      • Qiandongnan Autonomous Prefecture
        • Tianzhu Co.
    		Xia, F., Pan, J.-Y., Xia, F., Ma, D.-S., and Sun, Z.X. (2007): Goldschmidt Conference Abstracts 2007, A 3079.
    Ruidong Yang, Huairui Wei, Miao Bao, Wei Wang, and Qiang Wang (2007): Geological Review 72(5), 675-680
    • Sichuan Province
      • Garzê (Ganzi) Autonomous Prefecture
        • Baiyu Co.
    		Hou Zengqian, Khin Zaw, Qu Xiaoming, Ye Qingtong, Yu Jinjie, Xu Mingji, Fu Deming and Yin Xianke (2001): Economic Geology 96(7), 1491-1512.
    Shiying Li, Jixue Li, Fengyi Chen, and Yaozong Zhou (1982): Journal of Mineralogy and Petrology 3(1), 74-79
    Weiguang Zhu, Chaoyang Li, and Hailin Deng (2001): Acta Mineralogica Sinica 21(2), 219-224
    • Xinjiang (Xinjiang-Uygur) Autonomous Region
      • Kezilesu (Kizilsu; Qizilsu) Autonomous Prefecture
        • Aketao (Akto; Aqto) Co.
          • Tamu-Kalangu (Tam-Kalanfu; Tamu-Kala) belt
    		Xiangrong Yang, Jiantang Peng, Ruizhong Hu, Huawen Qi, and Shen Liu (2009): Geochimica 38(6), 536-548
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov (St Joachimsthal) District
            • Jáchymov (St Joachimsthal)
    		Ondruš P, Veselovský F, Gabašová A, Hloušek J, Šrein V, Vavrín I, Skála R, Sejkora J, Drábek M (2003) Primary minerals of the Jáchymov ore district, Journal of the Czech Geological Society 48, 19-147
      • Pardubice Region
    		Prachař, I.: Současný stav výskytu nerostů ve Chvaleticích. Acta musei Reginaehradecensis, série A: vědy přírodní, 1981, roč. XVI., s. 99-102.
    • Moravia (Mähren; Maehren)
      • Moravia-Silesia Region
        • Frýdlant nad Ostravicí
    		Kudělásek, V., Mandour, M. A., Matýsek, D.: Výskyt witheritu a barytu v těšínitických horninách na lokalitě Kunčice pod Ondřejníkem. Časopis pro mineralogii a geologii, 1989, roč. 34, č. 2, s. 205-207.
        • Rýmařov
    		Fojt, B. et al.: Paragenetická charakteristika ložisek Pb-Zn rud v širším okolí Horního Města u Rýmařova. Acta Mus. Moraviae, Sci. geol., 2007, 92, 3-57.
      • Olomouc Region
        • Šumperk (Mährisch Schönberg)
    		Novotný, P., Zimák, J., Toegel, V.: Mineralizace alpského typu z lomu v Krásném u Šumperka. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2002, roč. 10, s. 259-264.
    Petr Paulis (2001): Die interessanten mineralogische Fundstellen in Mahren und Schlesien; Kuttna, Kutná Hora p69-73
    Pauliš, P.: Die interessanten mineralogische Fundstellen in Mähren und Schlesien. Kutná Hora: Kuttna, 2001.
      • Vysočina Region
    		Houzar, S.: Přehled minerálů amfibolitového lomu v Mirošově (západní Morava), Minerál, 1999, roč. 7, č. 4, s. 294-296.
    Houzar, S., Novák, M., Doležalová, H., Hrazdil, V., Pfeiferová, A.: Přehled mineralogie, petrografie a geologie nedvědických mramorů, svratecké krystalinikum. Acta Musei Moraviae, Sci. geol., 2006, roč. 91, s. 3-77.
        • Třebíč
    		Novák, M. & Škoda, R. (2007): Mn3+-rich andalusite to kanonaite and their breakdown products from metamanganolite at Kojetice near Třebíč, the Moldanubian Zone, Czech Republic. Journal of Geosciences, 52(1-2), 161-167.
    France
     
    • Midi-Pyrénées
      • Hautes-Pyrénées
        • Aure Valley
          • Nabias
    		European J. Mineralogy, 11/5, 879-890
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Furtwangen
          • Waldau
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
    • Rhineland-Palatinate
      • Eifel Mts
        • Gerolstein
          • Rockeskyll
            • Rockeskyll volcanic complex
    		Riley, T., Bailey, K., Barium-rich Sanidine Megacrysts from the West Eifel (Germany), N: JB. Miner. Mh., 18-30, 2003
    Guatemala
     
    • Motagua Valley
    		Mikhail Ostrooumov and Alfredo Victoria Morales (2010) Mexican jadeite-bearing rock: a first mineralogical and gemmological approach. The Journal of Gemmology, Vol. 32, No. 1–4.
    Ireland
     
    • Co. Galway
      • Killimor
    		de Haller, series of article in Bull. Soc. Genevoise de Minéralogie in the 1980s.
    Israel
     
    • Negev
    		Gross, S. (1977): The Mineralogy of the Hatrurim Formation, Israel. Geological Survey of Israel, Bulletin no. 70, 80 pp.
    Italy
     
    • Aosta Valley
      • Courmayeur
        • Sapin Valley
    		Paolo Castello: Lo Ialofane e gli altri minerali del giacimento piombo-baritico del Trou des Romains, (Courmayeur, Valle d'Aosta) - Rivista Mineralogica Italiana, Milano, Vol. 8, Fasc. 1, 1977
    • Campania
      • Naples Province
        • Somma-Vesuvius Complex
    		www.dinet.it/Mineral-GMC/AMI/vesuvio.html.
            • Ercolano
              • San Vito
    		Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI
    • Liguria
      • La Spezia Province
        • Rocchetta Vara
          • Mt. Dragnone
    		Antofilli, Borgo, Palenzona, 1985. I nostri minerali. Geologia e mineralogia in Liguria. Edizioni Melita, La Spezia
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Formazza Valley
          • Formazza
    		Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
        • Mergozzo
          • Candoglia
    		De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
    • Tuscany
      • Grosseto Province
        • Pitigliano
    		Liotti L., 1991. I minerali dei vulcani laziali a Pitigliano (Grosseto). Riv. Mineral. Ital., 15 (3): 121-139.
    Japan
     
    • Honshu Island
      • Kanto Region
        • Tochigi Prefecture
          • Kanuma City
        • Tokyo Prefecture
          • Nishi-Tama-gun
            • Okutama-cho
    		Am Min 90:1468
      • Tohoku Region
        • Iwate Prefecture
          • Noda
    		Watanabe, T. (1959) Mineralogical Journal, 2, 6, 408-421
    Kyrgyzstan
     
    • Issyk-Kul'skaya Oblast
      • Inyl'chek Range
        • Muzeinyi Valley
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Namibia
     
    • Otjozondjupa Region
    		Bezing, L. von, Bode, R. & Jahn, S. (2007): Namibia. Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag, Haltern, 368 pp. (in English)
    New Zealand
     
    • South Island
      • Canterbury
    		Henderson, William, 1983, Microminerals, Mineralogical Record, v. 14, p. 49.
    Norway
     
    • Buskerud
      • Kongsberg
        • Kongsberg Silver Mining District
          • Overberget Mining Field
    		Nordrum, F. S. (2003): Nyfunn av mineraler i Norge 2002-2003. STEIN 30 (2), 4-10
    Nordrum, F. S. (2003): Nyfunn av mineraler i Norge 2002-2003. STEIN 30 (2), 4-10
          • Underberget Mining Field
    		Nordrum, F. S. ; Larsen, A. O. & Erambert, M. (2003): Ba,Sr-mineraler i Kongsberg sølvforekomster- en foreløpig rapport. Norsk Bergverksmuseum skrift 25: 43-50
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Sowie Mts
    		Pieczka A., Łobos K., Sachanbiński M. 2004: The first occurence of elbaite in Poland. Mineralogia Polonica, vol. 35, 3-14
    Romania
     
    • Suceava Co.
      • Suceava district
    		http://minerals-of-the-carpathians.eu
    Slovakia
     
    • Banská Bystrica Region
      • Rimavská Sobota Co.
        • Tisovec
    		Hurai V. & Huraiová M., 2011: Origin of ferroan alabandite and manganoan sphalerite from the Tisovec skarn, Slovakia. Neues Jahrbuch für Mineralogie, Abh., 188, 119-134.
    South Korea
     
    • Chungcheongbukdo (Chungchong-pukto)
      • Goesan-gun (Koesan-gun)
    		Gi Young Jeong (2006): Mineralium Deposita 41, 469-481.
    • Daejeon
      • Daejeon-gun
    		Gi Young Jeong (2006): Mineralium Deposita 41, 469-481.
    Spain
     
    • Castile and Leon
    		Moro, M.C., Cembranos, M.L., and Fernandez, A. (2001): Canadian Mineralogist 39, 1039-1051.
    Sweden
     
    • Lappland
      • Ultevis
    Augsten, R. (2010): Mineralientouren nach Skandinavien (III). Lapplands bunte Farben: Manganmineralien vom Tjaktjajaure, Ultevis, Schweden. Lapis, 35 (2), 39-41.
    • Värmland
      • Filipstad
    		Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
        • Nordmark (Nordmarksberg)
    		Kjell Gatedal
        • Persberg district
          • Pajsberg
    		Nysten, P. (2004): Harstigen ett mineralogisk eldorado i Bergslagen. Norsk Bergverksmuseum Skrift 28: 5-13
    • Västmanland
      • Hällefors
        • Grythyttan
    		No reference listed
      • Lindesberg
        • Nyberg ore field
    		Kjell Gatedal
    Econ Geol (1992) 87:1624-1634
    Switzerland
     
    • Wallis (Valais)
      • Anniviers Valley
        • Ayer
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 128+218.
      • Binn Valley
        • Binn
    		Cannon, R., Hensel, H. & Raber, T. (2008): Der Reckibach-Dolomit im Binntal, Schweiz: Mineralbestand und Neufunde. Lapis, 33 (3), 20-28; 50. (in German)
        • Freichi area
        • Giessen
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 218.
        • Im Feld (Imfeld; Feld; Fäld)
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 217-218; American Mineralogist 68, 112 (1983)
      • Brig
        • Simplon pass area
    		Weibel, M. (1990): Die Mineralien der Schweiz, 165.
      • Visp
        • Baltschieder Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 21
    UK
     
    • Wales
      • Gwynedd (Caernarvonshire)
        • Lleyn Peninsula
          • Llanfaelrhys
            • Rhiw
    USA
     
    • California
      • Tulare Co.
        • Exeter area
          • Chickencoop Canyon
    		Mineralogical Record: 34(2): 159-166
    • Colorado
      • Teller Co.
    		Min Rec 36:2 pp143-185
    • Montana
      • Meagher Co.
    		www.cseg.ca/conferences/2000/376.PDF.; Chakhmouradian, A. R. & Mitchell, R. H. (2002): The mineralogy of Ba- and Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic and sodic agpaitic pegmatites. Contributions to Mineralogy and Petrology 143, 93-114.
    • Nevada
      • Elko Co.
        • Corral Creek District
    		U.S. GEOLOGICAL SURVEY Open-File Report 98-338 chapter 11
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Franklin
    		Frondel, C., et al: Am.Min.:51:1388-1393 (1966); Dunn, P.J.: Min.Mag.:48:562-563 (1984); Palache(1935):59; Dunn(1995):Pt4:510.
    • Pennsylvania
      • Delaware Co.
        • Middletown Township
    		MEIER (A. E.). Association of harmotome and barium feldspar at Glen Riddle, Pennsylvania.
    Western Sahara
     
    • Dchira
    		Meteoritical Society Abstracts (2001)
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