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Thaumasite

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N'Chwaning Mines, Kalahari manganese fields, Northern Cape Province, South Africa
© Rob Lavinsky

Show Thaumasite Photos (26)
Formula:
Ca
 
3
[CO
 
3
|SO
 
4
|Si(OH)
 
6
] · 12H
 
2
O
System:HexagonalColour:Colourless, white
Hardness:3½
Name:From Greek, "thaumazein", to be surprised, alluding to its unusual composition with carbonate, sulphate and hexahydroxysilicate anions


Ettringite Group

Classification of Thaumasite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/B.22-90
Nickel-Strunz 10th (pending) edition ID:7.DG.15

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
G : With large and medium-sized cations; with NO3, CO3, B(OH)4, SiO4 or IO3
Dana 8th edition ID:32.4.4.4

32 : COMPOUND SULFATES
4 : Hydrated Compound Sulfates containing Hydroxyl or Halogen
Hey's CIM Ref.:17.10.18

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

Type Locality:Bjelke Mine, Åreskutan, Åre, Jämtland, Sweden
Year of Discovery:1878

Physical Properties of Thaumasite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent, Translucent
Colour:Colourless, white
Streak:White
Hardness (Mohs):3½
Cleavage:Poor/Indistinct

Crystallography of Thaumasite

Crystal System:Hexagonal
Class (H-M):6 - Pyramidal
Space Group:P63
Cell Parameters:a = 11.030(7) Å, c = 10.396(6) Å
Ratio:a:c = 1 : 0.943
Unit Cell Volume:V 1,095.34 ų (Calculated from Unit Cell)
Z:2
Morphology:Prismatic [0001], acicular.

Optical Data of Thaumasite

Type:Uniaxial (-)
RI values: nω = 1.507 nε = 1.468
Maximum Birefringence:δ = 0.039

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

Chemical Properties of Thaumasite

Formula:
Ca
 
3
[CO
 
3
|SO
 
4
|Si(OH)
 
6
] · 12H
 
2
O
Essential elements:C, Ca, H, O, S, Si
All elements listed in formula:C, Ca, H, O, S, Si
Common Impurities:Al,Fe,Mg

Relationship of Thaumasite to other Species

Related Minerals - Nickel-Strunz Grouping):
7.DG.05Darapskite
Na
 
3
NO
 
3
SO
 
4
·H
 
2
O
7.DG.10Clinoungemachite
(Na, K, Fe, SO
 
4
)
7.DG.10Humberstonite
Na
 
7
K
 
3
Mg
 
2
(SO
 
4
)
 
6
(NO
 
3
)
 
2
·6H
 
2
O
7.DG.10Ungemachite
K
 
3
Na
 
8
Fe(SO
 
4
)
 
6
(NO
 
3
)
 
2
·6H
 
2
O
7.DG.15Bentorite
Ca
 
6
(Cr
3+
 
,Al)
 
2
[(OH)
 
4
|SO
 
4
]
 
3
 · 26H
 
2
O
7.DG.15Charlesite
Ca
 
6
(Al,Si)
 
2
[(OH,O)
 
12
|B(OH)
 
4
|(SO
 
4
)
 
2
] · 26H
 
2
O
7.DG.15Ettringite
Ca
 
6
Al
 
2
[(OH)
 
4
|SO
 
4
]
 
3
 · 26H
 
2
O
7.DG.15Jouravskite
Ca
 
6
Mn
3+
2
[(OH)
 
4
|(SO
 
4
,CO
 
3
)]
 
3
 · 26H
 
2
O
7.DG.15Sturmanite
Ca
 
6
(Fe
3+
 
,Al,Mn
3+
 
)
 
2
[(OH)
 
12
|B(OH)
 
4
|(SO
 
4
)
 
2
] · 25H
 
2
O
7.DG.15Carraraite
Ca
 
3
Ge(OH)
 
6
(SO
 
4
)(CO
 
3
)·12H
 
2
O
7.DG.15Buryatite
Ca
 
3
(Si,Fe,Al)[SO
 
4
][B(OH)
 
4
](OH)
 
5
O•
 
12
H
 
2
O
7.DG.15Korkinoite
7.DG.20Rapidcreekite
Ca
 
2
[CO
 
3
|SO
 
4
] · 4H
 
2
O
7.DG.25Tatarskite
Ca
 
6
Mg
 
2
(SO
 
4
)
 
2
(CO
 
3
)
 
2
Cl
 
4
(OH)
 
4
·7H
 
2
O
7.DG.25Chelyabinskite
(Ca,Mg)
 
3
[(SO
 
4
,CO
 
3
)
 
2
|Si(OH)
 
6
] · 9H
 
2
O (?)
7.DG.30Nakauriite
Cu
 
8
[(OH)
 
6
|CO
 
3
|(SO
 
4
)
 
4
] · 48H
 
2
O
7.DG.35Chessexite
(Na,K)
 
4
Ca
 
2
(Mg,Zn)
 
3
Al
 
8
[(SO
 
4
)
 
10
|(SiO
 
4
)
 
2
] · 40H
 
2
O
7.DG.40Carlosruizite
K
 
6
(Na,K)
 
4
Na
 
6
Mg
 
10
(SeO
 
4
)
 
12
(IO
 
3
)
 
12
·12H
 
2
O
7.DG.40Fuenzalidaite
K
 
6
(Na,K)
 
4
Na
 
6
Mg
 
10
(SO
 
4
)
 
12
(IO
 
3
)
 
12
·12H
 
2
O
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
17.10.4Haüyne
(Na,Ca)
 
4-8
[Al
 
6
Si
 
6
(O,S)
 
24
](SO
 
4
,Cl)
 
1-2
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
17.10.19Ellestadite
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 Thaumasite

German names:
Thaumasit
Russian names:
Таумасит
Spanish names:
Thaumasita

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 Thaumasite

Reference List:C. R. Acad. Sci. Paris (1878), 87, 313.

Mineralogical Magazine: 33: 59-64.

Edge, R.A. and Taylor, H.F. (1971) Crystal structure of Thaumasite, [Ca3Si(OH)6·12H2O](SO4)(CO3). Acta Crystallographica: B27: 594-601.

Neues Jahrbuch für Mineralogie, Monatshefte (1983): 60-68.

Internet Links for Thaumasite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Thaumasite in the Natural History Museum (London) online catalogue
  • Thaumasite details from Handbook of Mineralogy (PDF)
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    Localities for Thaumasite

    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.
    Australia
     
    • Tasmania
      • Cape Grim district
    		Sutherland, F. & Bottrill, R.(2004): Zeolites of western Tasmania. Australian Jornal of Mineralogy 10:2 pp 59-72; Tschernich, R. (1992): Zeolites of the World, p.49
    Austria
     
    • Carinthia
      • Hohe Tauern Mts
        • Goldberg group
          • Innerfragant
            • Großfragant
              • Copper mine
    		G. Blass: Carinthia II 189./109.:216 (1999)
    • Styria
      • Bad Radkersburg
        • Klöch
    		Meixner, H. (1956); R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Canada
     
    • Ontario
      • Thunder Bay District
        • Manitouwadge
    		Michael W. Kieron Collection
    • Québec
      • Jacques Cartier Co.
        • Montréal
    		Graham 1909
          • St. Michel District
    		Mineralogical Record (2006): 37: 5-60.
      • Rouville Co.
        • Mont Saint-Hilaire
    		Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    China
     
    • Hebei Province
      • Xingtai Prefecture
        • Xingtai Co.
    		Cao Zhengmin (1988): Acta Mineralogica Sinica 8(2), 138-142.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Plzeň Region
        • Tachov
    		Kouřimský, J.: Thaumasit und Babingtonit, Neue Minerale für die ČSSR. Acta Universitatis Carolinae – Geologica, 1977, vol. 21, nos. 3-4, s. 213-217.
      • Ústí Region
        • Duchcov (Dux)
    		Žáček V., Skála R., Chlupáčová M., Dvořák Z. 2005: Ca-Fe3+-rich, Si-undersaturated buchite from Želénky, North-Bohemian Brown Coal Basin, Czech Republic. Eur. J. Mineral., 17, 623-633
    France
     
    • Lorraine
      • Vosges
    		Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997, 27-28
    • Midi-Pyrénées
      • Aveyron
        • Espalion
    		Boutry C., Pelisson P., Pillard F. (1986), Les zéolites d'Espalion, Le Cahier des Micromonteurs, n°2, pp: 3-7
    Etier J.R. & Ch., Favreau G., Devouard B., Vigier J. (2004), Minéraux de pyrométamorphisme de Lapanouse-de Sévérac (Aveyron), Cahier des Micromonteurs, n°85, pp: 3-58
    • Provence-Alpes-Côte d'Azur
      • Alpes-de-Haute-Provence
    		Favreau G., Meisser N., Chiappero P.J. (2004), Saint-Maime (Alpes-de-Haute-Provence): un exemple de pyrométamorphisme en région provençale, n°3, pp: 59-92
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Haslach
          • Steinach
    		Lapis 21(12), 39 (1996)
          • Urenkopf Mt.
    		Weiss: "Mineralfundstellen, Deutschland West", 1990
    • Bavaria
      • Franconia
        • Maroldsweisach
    		Wittern: "Mineralfundorte in Deutschland", 2001
    • Hesse
      • Vogelsberg
        • Ortenberg
    • Lower Saxony
      • Göttingen
        • Adelebsen
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • North Rhine-Westphalia
      • Aachen
        • Eschweiler
        • Stolberg
    International Association of Collectors of Slag
    • Rhineland-Palatinate
      • Eifel Mts
        • Daun
          • Üdersdorf
    		Schüller, W., Betz, V., Die Mineralien vom Emmelberg, Lapis 12/1986
        • Hillesheim
    		Hentschel, G., Die Lavaströme der Graulai: eine neue Fundstelle in der Westeifel, Lapis, Weise Verlag München, 09/1993
          • Zilsdorf
    		Hentschel. G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
        • Laach lake volcanic complex
          • Kruft
    		Blass, G.; Graf, H.W., Neue Mineralienfunde aus der Vulkaneifel , Mineralien-Welt 12/1, 17-25, 2001
          • Mendig
            • Niedermendig
    		Blass, G.; Graf, H.W., Neue Mineralienfunde aus der Vulkaneifel, Mineralien-Welt 12/1, 17-25, 2001
    Blass, G.; Graf, H.W., Neue Mineralienfunde aus der Vulkaneifel, Mineralien-Welt 12/1, 17-25, 2001
              • Wingertsberg Mt.
    		Blass, G.; Graf, H.W., Neue Mineralienfunde aus der Vulkaneifel , Mineralien-Welt 12/1, 17-25, 2001
        • Mayen
          • Ettringen
    		[Hentschel, G., Seltene Minerale in Calcium-reichen Auswürflingen vom Bellerberg bei Mayen/Eifel, Aufschluß 29, 77-83, 1978] [Lapis, 15 (5), 9-36]
        • Niederzissen
          • Brenk
    		Kollmann, H., Strübel, G., Ettringit-Thaumasit-Mischkristalle von Brenk (Eifel), Chem. Erde 40, 110-120, 1981
          • Hannebach
    		Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag, München (2. Auflage), 1987
    Hungary
     
    • Fejér Co.
      • Szár Hill
        • Kőszárhegy
    		Szakáll & Jánosi: Minerals of Hungary, 1995
    • Veszprém Co.
      • Bakony Mts.
        • Sümeg
    		Szakáll & Gatter: Hun. Min. Spec., 1993
      • Tapolcai Basin
        • Zalahaláp
    		Lapis 01/1978 p.31
    Israel
     
    Gross, S. (1977): The Mineralogy of the Hatrurim Formation, Israel. Geological Survey of Israel, Bulletin no. 70, 80 pp.
    Italy
     
    • Campania
      • Naples Province
        • Somma-Vesuvius Complex
          • Monte Somma
            • Ercolano
              • San Vito
    		Cassinelli C. (1986) - Norbergite e Thaumasite della Cava San Vito. Due nuove specie del Vesuvio - Rivista Min. Italiana, Milano, fasc. 1, 1986, pp. 36-39
    • Latium
      • Rome Province
    		Caponera, I., Fiori, S., Pucci, R., & Signoretti, E. (2007). I minerali dei Colli Albani. Un aggiornamento sugli ultimi dieci anni di ricerche. Rivista Mineralogica Italiana, 31 (2), 74-91.
        • Rome
          • Vallerano
    		Bellatreccia, F. & Fiori, S. (2004): La thaumasite di Vallerano (RM). Il Cercapietre, 2004/1-2, 64-65
    • Liguria
      • Genova Province
        • Genova
          • Varenna Valley
    		Rivista Mineralogica Italiana, 2 (Avril/Juin), 175-188.
    • Lombardy
      • Sondrio Province
        • Malenco Valley
        • Novate Mezzola
          • Codera Valley
    		Ghizzoni, S. & Mazzoleni, G. (2005): Itinerari mineralogici in val Codera. Geologia Insubrica, Ed., Milano, 316 pp.
    Ghizzoni, S. & Mazzoleni, G. (2005): Itinerari mineralogici in val Codera. Geologia Insubrica, Ed., Milano, 316 pp.
        • Valfurva
          • Zebrù Valley
    		Bedognè, F., Montrasio, A., Sciesa, E. (2006). I minerali della medio-alta Valtellina, delle Orobie valtellinesi e della val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Tip. Bettini, Sondrio, 255 pp.
    • Tuscany
      • Livorno Province
        • Campiglia Marittima
    		Alessandro Socci (pers.comm. 2006)
    • Veneto
      • Vicenza province
    		Boscardin, M., Mietto, P., Pegoraro, S., Orlandi, P., Secco, L.(2000):
    Lapis, 15 (12), 27-32+50.
        • Tretto di Schio
          • Val Munari
            • Contrade Maglio-Pornaro
    		Ref. Boscardin M. (1988) - I minerali di un nuovo giacimento di contatto presso Schio (VI) - Rivista Mineralogica Italiana, Milano, fasc. 2, pp.73-78
    Japan
     
    • Honshu Island
      • Chugoku Region
        • Okayama Prefecture
          • Takahashi
            • Bitchu-cho (Bicchu-cho)
    		Mineralogical Record: 27: 303.
      • Tohoku Region
        • Fukushima Prefecture
    		Matsuyama, F. (2001)
    Jordan
     
    http://www.natural-analogues.com/maqarin.htm
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		No reference listed
    Norway
     
    • Buskerud
      • Lier
        • Lierskogen
    		Eldjarn, K.(1973):" Zeolitter fra Gjellebekk,Lier". NAGS-nytt 1(2),8-9 (in norwegian)
    • Nordland
      • Fauske
    		Neumann (1985, p. 106).
    • Sogn og Fjordane
      • Balestrand
    		Nesby, W.H. (1989):" Mineralene fra Fjærlandstunnelen". NAGS-nytt 16(1), 52 (in norwegian)
    • Telemark
      • Skien
    		Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".
    Poland
     
    • Małopolskie
      • Kraków
        • Dębnik-Dubie area
    		Lewandowska A., Rospondek M. 2002: Thaumasite - a rare mineral containing Si(OH)6 2- groups from Dubie (the Dębnik anticline, S Poland). Mineralogia Polonica, vol. 33, no 1, 25-34
    • Upper Silesia (Śląskie)
      • Upper Silesian Coal Basin
        • Katowice area
          • Siemianowice Śląskie
    		Kruszewski L. 2006: Oldhamite-periclase-portlandite-fluorite assemblage and coexisting minerals of burnt dump in Siemianowice Śląskie - Dąbrówka Wielka area (Upper Silesia, Poland) - preliminary report. Mineralogia Polonica Special Papers, vol.28, 118-120
    Russia
     
    • Northern Caucasus Region
      • Kabardino-Balkarian Republic
        • Verkhnechegemskiy volcanic structure
    		A. E. Zadov data
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		Pekov, I.V. & Podlesnyi, A.S. (2004): Kukisvumchorr Deposit: Mineralogy of Alkaline Pegmatites and Hydrotermalites. Mineralogical Almanac, vol. 7, 140 pages + xxiv photo's pages
    • Urals Region
      • Middle Urals
        • Ekaterinburgskaya (Sverdlovskaya) Oblast'
          • Sysert' District
            • Polevskoi (Polevskoi Zavod)
    		Zadov, A. E.; Grabezhev, A. I.; Pertsev, N. N.; Chukanov, N. V.; Pribavkin, S. V. (2006): Tobermorite-plombierite metasomatites of the Gumeshevsk skarn-porphyry copper deposit, Middle Urals. Doklady Earth Sciences 407A, 495-497.
    Slovakia
     
    • Prešov Region
      • Northern Slanské Mts
        • Vyšná Šebastová
    		Ďuďa,R., et al., 1981: Mineralógia severnej časti Slanských vrchov. Min.Slovaca, Monografia 2, 98s
    South Africa
     
    • Northern Cape Province
      • Kalahari manganese fields
        • Hotazel
    		Minerals of South Africa
        • N'Chwaning Mines
    		[Von Bezing, K. L. et al. (1991) - The Kalahari (Afrique du Sud) manganese field : an update, Mineralogical Record, 22 (3), 279-302.]
    Minerals of South Africa
    Sweden
     
    • Jämtland
      • Åre
        • Åreskutan
    		C.R.Acad.Sci.Paris,(1878) 87, 313; Dana 6:698.
    No reference listed
    • Lappland
      • Gällivare
    		LTU-DT-0536-SE. Wanhainen.Aitik (Doctoral thesis)
    Xray; Curator J.Langhof, Museum of Natural History (NRM) Stockholm
      • Kiruna
    		No reference listed
    • Södermanland
      • Södertälje
    		SGU Ca35, 577
    • 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.
    Uganda
     
    • Kabarole District
    		Barker, D.S. and Nixon, P.H. (1989) High-Ca, low-alkali carbonatite volcanism at Fort Portal, Uganda. Contributions to Minralogy and Petrology.: 103: 166-177.
    UK
     
    • England
      • Co. Durham
        • North Pennines
          • Weardale
            • Cowshill
    		young B, Hyslop E K, Bridges T F and Hubbard N. Thaumasite from High Sedling Mine, Weardale, Co Durham and from Shap, Cumbria, England. Journal of the Russell Soc. 7(1), 40 (1998)
      • Cumbria
        • North and Western Region (Cumberland)
          • Embleton
    		[Specimen in the Natural History Museum, London]
    • Wales
      • Gwynedd (Merionethshire)
        • Dolgellau Gold Belt
          • Llanfachreth
    		BMS Database
      • Merthyr Tydfil (Mid Glamorgan; Glamorgan)
    		BMS Database
    Wilson, M.J. (1978). "Occurrence of thaumasite in weathered furnace slag, Merthyr Tydfil." Mineralogical magazine, 42,pp:290-291.
    USA
     
    • Arizona
      • Cochise Co.
        • Tombstone District
          • Tombstone
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 179, 394, 414; Butler, B.S., et al (1938b), Geology and ore deposits of the Tombstone district, AZ, AZ Bur. Mines Bull. 143; Schaller, W.T. (1939), Corrections and additions, Am.Min.: 24: 346-347; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 97, 99, 111.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 304; Butler, B.S., et al (1938b), Geology and ore deposits of the Tombstone district, AZ, AZ Bur. Mines Bull. 143.
      • Graham Co.
        • Santa Teresa Mts
          • Aravaipa District
            • Landsman Camp (Landsman group)
    		Wilson, W.E. (1988), The Iron Cap Mine, Min.Rec.: 19(2): 81-87.
    • Arkansas
      • Pulaski Co.
        • Little Rock
    • California
      • Riverside Co.
        • Crestmore
          • Crestmore quarries
            • Sky Blue Hill
    		AmMin 26:352-381
    Woodford, A.O., Crippen, R.A., and Garner, K.B. (1941) Section Across Commercial Quarry, Crestmore, California. American Mineralogist: 26: 352-381.
    • Colorado
      • San Juan Co.
        • Animas District
    		Minerals of Colorado (1997) E.B. Eckels
    • Connecticut
      • Hartford Co.
    		Januzzi, 1976. Mineral Localities of CT and Southeastern NY State, p.275
    • Idaho
      • Lemhi Co.
        • Spring Mountain District
          • Quartzite Canyon
    		Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
    • Nevada
      • White Pine Co.
        • Robinson District
    		NBMG Spec Pub 31 Minerals of Nevada
    • New Jersey
      • Passaic Co.
        • Haledon
    		Specimens in E. Stanchich and B. Plotkin collections.
        • Little Falls Township
          • Great Notch
    		Min. Collector: 15:113-118 (1908), Papke; Rocks & Min.: 15:111-115 (1940), Sachs; 59:157-183, Peters, Joseph J. (1984); Mins. of NYC & Its Environs, NY Min. Club (1931), Manchester, J.G.; NJ Geol. Survey Bull. #64 (1960), Mason, B.
        • Paterson
    		Rothstein, J. (1970): "Glory Hole" in New Jersey. Lapidary Journal, 24:686-94
    NJ Geol. Survey Bull. #64, Trap Rock Minerals of NJ, Mason, B. (1960); Rocks & Min.: 59:157-183, Peters, Joseph J. (1984).
    Min. Collector 15: 113-118, Papke, H. (1908); Rocks & Min.: 59:157-183, Peters, J.J. (1984); American Museum of Nat. History, NY, specimens.
        • Prospect Park
    		Lapidary Jour.: 32:1700-1720, Mins. of the Watchungs, Part II, Vitali, G. (1978); Rocks & Min.: 59:157-183 (1984), Peters, J.J.
    • New Mexico
      • Socorro Co.
    		[MinRec 20:24]
    Min Rec 20:1 pp13-24
    • North Carolina
      • Durham Co.
        • Durham
    		Kenny Gay message 15.09.2005
    • Tennessee
      • Polk Co.
    		AmMin 23:876
    • Utah
      • Beaver Co.
        • Rocky Range
          • Rocky District
    		Am Min 61:3-4 pp 189-192
    UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Salt Lake Co.
        • Oquirrh Mts
          • Bingham District (West Mountain District)
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Summit Co.
        • Wasatch Mts
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Virginia
      • Fairfax Co.
        • Culpeper Basin
    No reference listed
      • Highland Co.
        • Doe Hill
    		Minerals of Virginia 1990 by R. V. Dietrich
      • Loudoun Co.
        • Conklin
    		Minerals of Virginia 1990 by R. V. Dietrich
        • Leesburg
    		Minerals of Virginia 1990 by R. V. Dietrich
      • Prince William Co.
        • Manassas
    		Minerals of Virginia 1990 by R. V. Dietrich
    Mineral and/or Locality
    Google
     
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