Mindat Logo

Apophyllite-(KOH)

Formula:
KCa
 
4
[(OH,F)|Si
 
8
O
 
20
] · 8H
 
2
O
System:TetragonalHardness:4 - 5

Classification of Apophyllite-(KOH)

IMA status:Approved
Strunz 8th edition ID:8/H.01-30
Nickel-Strunz 10th (pending) edition ID:9.EA.15

9 : SILICATES (Germanates)
E : Phyllosilicates
A : Single nets of tetrahedra with 4-, 5-, (6-), and 8-membered rings
Hey's CIM Ref.:17.1.6

17 : Silicates Containing other Anions
1 : Silicates with fluoride (not containing Al)
mindat.org URL:http://www.mindat.org/min-1989.html
Please feel free to link to this page.

Type Occurrence of Apophyllite-(KOH)

Type Locality:Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA
Year of Discovery:1978

Physical Properties of Apophyllite-(KOH)

Hardness (Mohs):4 - 5

Crystallography of Apophyllite-(KOH)

Crystal System:Tetragonal
Cell Parameters:a = 8.97Å, c = 15.83Å
Ratio:a:c = 1 : 1.765
Unit Cell Volume:V 1,273.70 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Apophyllite-(KOH)

Type:Uniaxial (+)
RI values: nω = 1.542 nε = 1.543
Maximum Birefringence:δ = 0.001

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

Chemical Properties of Apophyllite-(KOH)

Formula:
KCa
 
4
[(OH,F)|Si
 
8
O
 
20
] · 8H
 
2
O
Essential elements:Ca, H, K, O, Si
All elements listed in formula:Ca, F, H, K, O, Si
Common Impurities:Al,Na

Relationship of Apophyllite-(KOH) to other Species

Series:Forms a series with Apophyllite-(KF) (see here)
Related Minerals - Nickel-Strunz Grouping):

- +
9.EA.05Cuprorivaite
CaCu[Si
 
4
O
 
10
]
9.EA.05Gillespite
BaFe
2+
 
[Si
 
4
O
 
10
]
9.EA.05Effenbergerite
BaCu[Si
 
4
O
 
10
]
9.EA.05Wesselsite
SrCu[Si
 
4
O
 
10
]
9.EA.10Ekanite
(Ca,Fe
2+
 
,Pb)
 
2
(Th,U)[Si
 
8
O
 
20
]
9.EA.15Apophyllite-(KF)
KCa
 
4
[(F,OH)|Si
 
8
O
 
20
] · 8H
 
2
O
9.EA.15Apophyllite-(NaF)
NaCa
 
4
[F|Si
 
8
O
 
20
] · 8H
 
2
O
9.EA.20Magadiite
NaSi
 
7
O
 
13
(OH)
 
3
·3H
 
2
O
9.EA.25Dalyite
K
 
2
ZrSi
 
6
O
 
15
9.EA.25Davanite
K
 
2
TiSi
 
6
O
 
15
9.EA.30Sazhinite-(Ce)
Na
 
3
Ce[Si
 
6
O
 
15
] · 6H
 
2
O
9.EA.30Sazhinite-(La)
Na
 
3
La[Si
 
6
O
 
15
] · 2H
 
2
O
9.EA.35Armstrongite
CaZr[Si
 
6
O
 
15
]·3H
 
2
O
9.EA.40Okenite
CaSi
 
2
O
 
5
·2H
 
2
O
9.EA.45Nekoite
Ca
 
3
Si
 
6
O
 
15
·7H
 
2
O
9.EA.50Cavansite
Ca(VO)Si
 
4
O
 
10
·4H
 
2
O
9.EA.55Pentagonite
Ca(VO)Si
 
4
O
 
10
·4H
 
2
O
9.EA.60Penkvilksite
Na
 
4
Ti
 
2
Si
 
8
O
 
22
·4H
 
2
O
9.EA.60Tumchaite
Na
 
2
Zr(Si
 
4
O
 
11
)·2H
 
2
O
9.EA.65Nabesite
Na
 
2
BeSi
 
4
O
 
10
* 4 H
 
2
O
9.EA.70Ajoite
(K,Na)Cu
 
7
[(OH)
 
6
|AlSi
 
9
O
 
24
] · 3H
 
2
O
9.EA.75Zeravshanite
Cs
 
4
Na
 
2
Zr
 
3
[Si
 
18
O
 
45
](H
 
2
O)
 
2
9.EA.80Bussyite-(Ce)
(Ce,REE)
 
3
(Na,H
 
2
O)
 
6
MnSi
 
9
Be
 
5
(O,OH)
 
30
F
 
4
9.EA.85Plumbophyllite
Pb
 
2
Si
 
4
O
 
10
·H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
17.1.1Hectorite
Na
 
0.3
(Mg,Li)
 
3
Si
 
4
O
 
10
(F,OH)
 
2
17.1.3Agrellite
NaCa
 
2
[F|Si
 
4
O
 
10
]
17.1.4Apophyllite-(NaF)
NaCa
 
4
[F|Si
 
8
O
 
20
] · 8H
 
2
O
17.1.5Apophyllite-(KF)
KCa
 
4
[(F,OH)|Si
 
8
O
 
20
] · 8H
 
2
O
17.1.7Hsianghualite
Ca
 
3
Li
 
2
Be
 
3
[F
 
2
|(SiO
 
4
)
 
3
]
17.1.8Leucophanite
NaCaBeSi
 
2
O
 
6
F
17.1.9Norbergite
Mg
 
3
[(F,OH)
 
2
|SiO
 
4
]
17.1.10Chondrodite
(Mg,Fe
2+
 
)
 
5
[(F,OH)
 
2
|(SiO
 
4
)
 
2
]
17.1.11Humite
(Mg,Fe
2+
 
)
 
7
[(F,OH)
 
2
|(SiO
 
4
)
 
3
]
17.1.12Clinohumite
(Mg,Fe
2+
 
)
 
9
[(F,OH)
 
2
|(SiO
 
4
)
 
4
]
17.1.13Canasite
K
 
2
Na
 
4
Ca
 
5
(Si
 
12
O
 
30
(OH,F)
 
4
17.1.14Charoite
(K,Na)
 
5
(Ca,Ba,Sr)
 
8
(Si
 
6
O
 
15
)
 
2
(Si
 
6
O
 
16
)(OH,F)·H
 
2
O
17.1.15Cuspidine
Ca
 
4
[(F,OH)
 
2
|Si
 
2
O
 
7
]
17.1.16Bultfonteinite
Ca
 
2
[F|HSiO
 
4
] · H
 
2
O
17.1.17Zeophyllite
Ca
 
4
Si
 
3
O
 
8
(OH,F)
 
4
·2H
 
2
O
17.1.18Rowlandite-(Y)
(Y,Fe
3+
 
,Ce)
 
3
[O|(F,OH)|Si
 
2
O
 
7
]
17.1.19Yuksporite
(K,Ba)NaCa
 
2
(Si,Ti)
 
4
O
 
11
(F,OH)·H
 
2
O
17.1.20Yftisite-(Y)
(Y,Dy,Er)
 
4
(Ti,Sn)O(SiO
 
4
)
 
2
(F,OH)
 
6
17.1.21Mosandrite
Na
 
2
Ca
 
4
(Ce,La,Nd)Ti(Si
 
2
O
 
7
)
 
2
OF
 
3
17.1.22Hiortdahlite
(Ca,Na)
 
3
(Zr,Ti)Si
 
2
O
 
7
(O,OH,F)
 
2
17.1.23Burpalite
Na
 
2
CaZr[F
 
2
|Si
 
2
O
 
7
]
17.1.24Seidozerite
Na
 
8
Zr
 
3
Ti
 
3
Mn
2+
2
[O|F|Si
 
2
O
 
7
]
 
4
17.1.25Thorosteenstrupine
CaMnThSi
 
4
O
 
11
(OH)F·6H
 
2
O
17.1.26Zircophyllite
(K,Na)
 
3
(Mn,Fe
2+
 
)
 
7
(Zr,Ti)
 
2
Si
 
8
O
 
24
(O,OH,F)
 
7
17.1.27Jinshajiangite
BaNaTi
 
2
Fe
2+
4
(Si
 
2
O
 
7
)
 
2
O
 
2
(OH)
 
2
F
17.1.28Rosenbuschite
(Ca,Na)
 
3
(Zr,Ti)[O|F|Si
 
2
O
 
7
]
17.1.29Narsarsukite
Na
 
2
(Ti,Fe)Si
 
4
(O,F)
 
11
17.1.30Sonolite
Mn
2+
9
[(OH,F)
 
2
|(SiO
 
4
)
 
4
]

Other Names for Apophyllite-(KOH)

Synonyms:
Hydroxyapophyllite
Other Languages:
German:Hydroxyapophyllit
Russian:Гидроксиапофиллит
Апофиллит-(KOH)
Spanish:Hydroxyapophyllita

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 Apophyllite-(KOH)

Reference List:Dunn, P. J., Rouse, R. C. & Norberg, J. A. (1978): Hydroxyapophyllite, a new mineral and a redefinition of the apophyllite group. American Mineralogist 63, 196-202.

Dunn, P. J. & Wilson, W. E. (1978): Nomenclature revision in the apophyllite group: hydroxyapophyllite, apophyllite, fluorapophyllite. Min. Record 9, 95-98.

Acta Crystallographica: (1987): B43: 517.

Internet Links for Apophyllite-(KOH)

Search Engines:
  • Look for Apophyllite-(KOH) on Google
  • Look for Apophyllite-(KOH) images on Google
  • External Links:
  • Look for Apophyllite-(KOH) on Webmineral
  • Look for Apophyllite-(KOH) on Athena Mineralogy
  • Look for Apophyllite-(KOH) on Wikipedia
  • Look for Apophyllite-(KOH) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Apophyllite-(KOH) in the Natural History Museum (London) online catalogue
  • Hydroxyapophyllite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • SpiriferMinerals.com - high quality specimens
  • Search for - Apophyllite-(KOH) - on e-Rocks Mineral Sales & Auctions
  • Buy fine minerals and gemstones from Pala International
  • Fabre Minerals - search for Apophyllite-(KOH) specimens
  • The Arkenstone - Fine Minerals
  • Fine Minerals from Dan Weinrich Minerals
  • Buy RARE Minerals from Rocks of Africa
  • Lapis Mineral Magazin
  • Rare and Unusual minerals at Mineralogical Research Company
  • rare and unusual minerals mainly crystallized
  • Wilensky Fine Minerals
  • Top quality minerals from Kristalle of California
  • Jobs:
  • Mining & Geology Jobs
  • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Apophyllite-(KOH)

    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.
    (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
      • Buckland Co.
        • Ardglen
    Mineralogical Record Vol19 No.6 p389; Tschernich, R.(1992), Zeolites of the World, p.48
    • Tasmania
      • Burnie district
        • Ridgley
    Ref: FL Sutherland & RS Bottrill (2004) Zeolites of western Tasmania. Australian Jornal of Mineralogy 10:2 pp 59-72
      • 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
    • Western Australia
      • Goldfields-Esperance region
    Grguric, B.A., Nickel, E.H. (2005) Okenite from the Perseverance nickel mine, Western Australia: a first Australian occurrence. Australian Journal of Mineralogy, Vol. 11, pg. 25-26.
    Austria
     
    • Styria
      • Fischbacher Alpen Mts
        • St. Jakob-Breitenau
          • Eibegggraben
    Postl, W. et al. (2008)
    Canada
     
    • Northwest Territories
    • Québec
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    Chile
     
    • Atacama Region
      • Copiapó Province
        • Inca de Oro
    Maurizio Dini & Robert Jenkins collections; material analysed by Dr. Uwe Kolitsch & Bob Jenkins
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Ostrov
    Lapis 2002(7/8), 63-65
    Germany
     
    • Bavaria
      • Franconia
        • Fichtelgebirge
          • Selb
            • Längenau
    Keck, E. (2008): Der Wartberg bei Längenau, nordöstlich von Selb, in Oberfranken. Aufschluss 59, 109-128.
    Hungary
     
    • Fejér Co.
      • Szár Hill
        • Kőszárhegy
    Szakáll: Minerals of Szár Hill, 2004
    • Veszprém Co.
      • Tapolcai Basin
        • Bazsi
    Szakáll & Gatter, 1993
        • Uzsa (Uzsabánya)
    Szakáll & Gatter, 1993
    India
     
    • Maharashtra
      • Mumbai District (Bombay District)
    Wise, W.S. (1978): Yugawaralite from Bombay, India. Mineralogical Record 9 (5): 296
        • Mumbai (Bombay)
          • Ward 38
    Personal experience-Rock Currier
    Italy
     
    • Veneto
      • Vicenza province
    Boscardin, M., Mietto, P., Pegoraro, S., Orlandi, P., Secco, L.(2000):
        • Schio
          • San Vito di Leguzzano
    Boscardin, M., Pegoraro, S.(2000): La natrolite del vicentino. Rivista
    Japan
     
    • Honshu Island
      • Chugoku Region
        • Okayama Prefecture
          • Takahashi
            • Bitchu-cho (Bicchu-cho)
    Kenya
     
    • Rift Valley Province
      • Mount Elgon
    Paolo Forti - Genetic processes of cave minerals in volcanic environments: An overview. Journal of Cave and Karst Studies, v. 67, no. 1, p. 3-13.
    Mexico
     
    • Chihuahua
      • Mun. de Aquiles Serdán
        • Santa Eulalia District
          • West Camp
            • Francisco Portillo
    Panczner(1987).
    Panczner (1987):94-366.
    • Guanajuato
      • Mun. de Guanajuato
        • Guanajuato
    Panczner (1987): 79-364.
        • La Luz
    Panczner(1987): 79 - 369.
    Panczner (1987): 236.
    • Hidalgo
      • Mun. de Pachuca
        • Pachuca de Soto (Pachuca)
    Panczner (1987): 87-344.
    • Zacatecas
      • Mun. de Mazapil
        • Noche Buena
    Panczner (1987): 100-378.
    Namibia
     
    • Khomas Region
      • Windhoek District
        • Windhoek
          • Aris
    [http://www.koeln.netsurf.de/~w.steffens/aris.htm]
    Norway
     
    • Nordland
      • Fauske
        • Sulitjelma Mines
    Larsen,A.O.(1980):Fluorapofyllitt og hydroksyapofyllitt" NAGS-nytt 7(2),36-37 (in norwegian)
      • Rana
        • Mofjellet
    Larsen,A.O.(1980):Fluorapofyllitt og hydroksyapofyllitt" NAGS-nytt 7(2),36-37 (in norwegian)
    Romania
     
    • Hunedoara Co.
    www.minerals-of-the carpathians.eu (2009)
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
    www.koeln.netsurf.de/~w.steffens/lovo.htm
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Ufaley (Ufalei) District
    Talovina, I.V., Lazarenkov, V.G., and Vorontsova, N.I. (2003): Lithology and Mineral Resources 38(5), 403-415.
    South Africa
     
    • Mpumalanga Province
      • Belfast
    Minerals of South Africa
    Cairncross, B. & Windisch, W.(1998): Microminerals from the Bushveld Complex South Africa. Mineralogical Record 29: 461-465
    • Northern Cape Province
      • Kalahari manganese fields
        • Hotazel
    Gutzmer, J. & Cairncross, B. (1993): Recent discoveries from the Wessels mine South Africa. Mineralogocal Record 24 (5): 365-368
        • Kuruman
          • 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
    American Mineralogist, Volume 63, pages 196-202, 1978
    UK
     
    • England
      • Co. Durham
        • North Pennines
          • Weardale
            • Copthill
    No reference listed
    • Scotland
      • North West Highlands (Inverness-shire)
        • Isle of Skye
          • Duirinish
            • Dunvegan
    [UKJMM 16:21-27]
    Ukraine
     
    • Crimea Oblast'
      • Bakhchisaray
        • Trudolyubovka Village
    Karpenko V., Ignatenko K. Babingtonite form the Pervomaiskii quarry in the Crimea // Novye dannye o mineralakh (New Data on Minerals), 1991, #37, 58 - 63 (in Russ.) Getling R.V. Datolith of the Bodrak area in the Crimea and some features of his genesis // ZVMO, 1960, vol. 89, #1, 102 - 106 (in Russ.)
      • Crimea peninsula
    Tischenko A. data
    USA
     
    • California
      • Tulare Co.
        • Chickencoop Canyon
    • Nevada
      • Eureka Co.
        • Lynn District
    NBMG Spec. Pub. 31 Minerals of Nevada
    • New Jersey
      • Passaic Co.
        • Little Falls Township
    American Mineralogist, Volume 63, pages 196-202, 1978
        • Prospect Park
    MinRecord 9:89-92
      • Sussex Co.
        • Franklin Mining District
          • Franklin
    Dunn(1995):Pt4:497.
    • New York
      • Lewis Co.
        • Diana Township
          • Harrisville
    Chamberlain, Steven C., Vandall T. King, Donald Cooke, George W. Robinson & Wayne Holt (1999), Minerals of the Gouverneur Talc Company No. 4 Quarry (Valentine deposit), Town of Diana, Lewis County, New York: Rocks & Minerals: 74(4): 236-249 (July, 1999).
    • North Carolina
      • Ashe Co.
        • Ore Knob
    Joseph A. Mandarino and Malcolm E. Back , 2004, Fleischers Glossary of Mineral Species 2004; American Mineralogist, Volume 63, pages 196-202, 1978
    • Pennsylvania
      • Lebanon Co.
        • Cornwall
    Kearns, L.E. & Kearns, C.A. (2008) Mineral News, 24, #1, 8-9.
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 17th Nov 2009 09:05:33