Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Zeophyllite

Big Photo

Schellkopf Mt., Brenk, Niederzissen, Eifel Mts, Rhineland-Palatinate, Germany
© Saul Krotki 2004

Show Zeophyllite Photos (9)
Formula:
Ca
 
4
Si
 
3
O
 
8
(OH,F)
 
4
·2H
 
2
O
System:TriclinicColour:White
Hardness:3
Name:From Greek "zeon", to boil, plus "phyllon", a leaf, alluding to its occurrence in hemispheral foliated forms and intumescence on heating.
This page provides mineralogical data about Zeophyllite.

Classification of Zeophyllite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/H.34-50
Nickel-Strunz 10th (pending) edition ID:9.EE.70

9 : SILICATES (Germanates)
E : Phyllosilicates
E : Single tetrahedral nets of 6-membered rings connected by octahedral nets or octahedral bands
Dana 7th edition ID:73.1.4.1
Dana 8th edition ID:73.1.4.1

73 : PHYLLOSILICATES Condensed Tetrahedral Sheets
1 : Condensed Tetrahedral Sheets with double layers
Hey's CIM Ref.:17.1.17

17 : Silicates Containing other Anions
1 : Silicates with fluoride (not containing Al)
mindat.org URL:http://www.mindat.org/min-4396.html
Please feel free to link to this page.

Type Occurrence of Zeophyllite

Type Locality:Velký Březno (Brezno nad Labem; Großpriesen), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic
Year of Discovery:1902

Physical Properties of Zeophyllite

Lustre:Pearly
Diaphaneity (Transparency):Translucent
Colour:White
Hardness (Mohs):3

Crystallography of Zeophyllite

Crystal System:Triclinic
Cell Parameters:a = 9.34Å, b = 9.34Å, c = 13.2Å
α = 90°, β = 110°, γ = 120°
Ratio:a:b:c = 1 : 1 : 1.413
Unit Cell Volume:V 916.17 ų (Calculated from Unit Cell)
Morphology:Pseudo-Hexagonal. As platy crystals in radiating spherical aggregates.
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 Zeophyllite

Type:Uniaxial (-)
RI values: nω = 1.565 - 1.577 nε = 1.560 - 1.569
Maximum Birefringence:δ = 0.005 - 0.008

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

Chemical Properties of Zeophyllite

Formula:
Ca
 
4
Si
 
3
O
 
8
(OH,F)
 
4
·2H
 
2
O
Essential elements:Ca, H, O, Si
All elements listed in formula:Ca, F, H, O, Si
Common Impurities:Al,Fe,Mg,Na,K

Relationship of Zeophyllite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.EE.05Bementite
Mn
 
5
Si
 
4
O
 
10
(OH)
 
6
9.EE.10Brokenhillite
Mn
 
8
Si
 
6
O
 
15
(OH)
 
10
9.EE.10Pyrosmalite-(Fe)
(Fe,Mn)
 
8
Si
 
6
O
 
15
(OH,Cl)
 
10
9.EE.10Friedelite
(Mn,Fe)
 
8
Si
 
6
O
 
15
(OH,Cl)
 
10
9.EE.10Pyrosmalite-(Mn)
(Mn,Fe)
 
8
Si
 
6
O
 
15
(OH,Cl)
 
10
9.EE.10Mcgillite
(Mn,Fe)
 
8
Si
 
6
O
 
15
(OH)
 
8
Cl
 
2
9.EE.15Nelenite
(Mn,Fe)
 
16
Si
 
12
As
 
3
O
 
36
(OH)
 
17
9.EE.15Schallerite
(Mn,Fe)
 
16
Si
 
12
As
 
3
O
 
36
(OH)
 
17
9.EE.20Palygorskite
(Mg,Al)
 
5
(Si,Al)
 
8
O
 
20
(OH)
 
2
·8H
 
2
O
9.EE.20Tuperssuatsiaite
Na
 
2
Fe
 
3
Si
 
8
O
 
20
(OH)
 
2
·4H
 
2
O
9.EE.20Yofortierite
Mn
 
5
Si
 
8
O
 
20
(OH)
 
2
·8-9H
 
2
O
9.EE.25Falcondoite
(Ni,Mg)
 
4
Si
 
6
O
 
15
(OH)
 
2
·6H
 
2
O
9.EE.25Loughlinite
Na
 
2
Mg
 
3
Si
 
6
O
 
16
·8H
 
2
O
9.EE.25Sepiolite
Mg
 
4
Si
 
6
O
 
15
(OH)
 
2
·6H
 
2
O
9.EE.25Kalifersite
(K,Na)
 
5
Fe
3+
7
Si
 
20
O
 
50
(OH)
 
6
·12H
 
2
O
9.EE.30Gyrolite
Ca
 
4
(Si
 
6
O
 
15
)(OH)
 
2
·3H
 
2
O
9.EE.30Orlymanite
Ca
 
4
Mn
 
3
Si
 
8
O
 
20
(OH)
 
6
·2H
 
2
O
9.EE.30Tungusite
Ca
 
4
Fe
 
2
Si
 
6
O
 
15
(OH)
 
6
9.EE.35Reyerite
(Na,K)
 
2
Ca
 
14
(Si,Al)
 
24
O
 
58
(OH)
 
8
·6H
 
2
O
9.EE.35Truscottite
(Ca,Mn)
 
14
Si
 
24
O
 
58
(OH)
 
8
·2H
 
2
O
9.EE.40Natrosilite
Na
 
2
Si
 
2
O
 
5
9.EE.45Makatite
Na
 
2
Si
 
4
O
 
8
(OH)
 
2
·4H
 
2
O
9.EE.50Varennesite
Na
 
8
Mn
 
2
Si
 
10
O
 
25
(OH,Cl)
 
2
·12H
 
2
O
9.EE.55Raite
(Na,Ca)
 
4
(Mn,Ti,Fe)
 
3
Si
 
8
O
 
16
(OH)
 
12
·5H
 
2
O
9.EE.60Intersilite
Na
 
6
Mn
2+
 
Ti[Si
 
10
O
 
24
(OH)](OH)
 
3
·4H
 
2
O
9.EE.65Shafranovskite
(Na,K)
 
6
(Mn,Fe)
 
3
Si
 
9
O
 
24
·6H
 
2
O
9.EE.65Zakharovite
Na
 
4
Mn
 
5
Si
 
10
O
 
24
(OH)
 
6
·6H
 
2
O
9.EE.75Minehillite
(K,Na)
 
2-3
Ca
 
28
Zn
 
4
Al
 
4
Si
 
40
O
 
112
(OH)
 
16
9.EE.80Fedorite
(Na,K)
 
2-3
(Ca
 
4
Na
 
3
)Si
 
16
O
 
38
F
 
2
 · 3.5H
 
2
O
9.EE.80Martinite
(Na,Ca)
 
11
Ca
 
4
(Si,S,B)
 
14
B
 
2
O
 
40
F
 
2
·4H
 
2
O
9.EE.85Lalondeite
(Na,Ca)
 
6
(Ca,Na)
 
3
Si
 
16
O
 
38
(F,OH)
 
2
·3H
 
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
17.1.6Apophyllite-(KOH)
KCa
 
4
[(OH,F)|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
17.1.18Rowlandite-(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
(Ca,Na,Ce)
 
12
(Ti,Zr)
 
2
[F
 
4
|(OH)
 
6
|SiO
 
4
|(Si
 
2
O
 
7
)
 
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
BaKNaCaTi
 
2
Fe
3+
6
Mn
 
2
[Si
 
2
O
 
7
]
 
4
O
 
2
(OH)
 
8
F
 
2
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 Zeophyllite

Synonyms:
KnolliteRadiophyllite
Other Languages:
German:Knollit
Radiophyllit
Zeophyllit
Russian:Цеофиллит
Spanish:Knollita
Radiophyllita
Zeophyllita

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 Zeophyllite

Reference List:Mineralogical Magazine (1958): 31: 726-735.

Acta Crystallographica: 28, IV: 2726-2732.

Mineralogy and Petrology (1997): 61: 199.

Internet Links for Zeophyllite

Search Engines:
  • Look for Zeophyllite on Google
  • Look for Zeophyllite images on Google
    • External Links:
  • Look for Zeophyllite on Webmineral
  • Look for Zeophyllite on Athena Mineralogy
  • Look for Zeophyllite on Wikipedia
  • Look for Zeophyllite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Zeophyllite in the Natural History Museum (London) online catalogue
  • Zeophyllite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Fabre Minerals - search for Zeophyllite specimens
  • Wendel Minerals - Auktion & Shop
  • Rare and Unusual minerals at Mineralogical Research Company
  • Find Zeophyllite on www.crystalclassics.co.uk
  • High-end worldwide specimens & outstanding customer service
  • Search for Zeophyllite on minvision.com
  • Buy fine minerals and gemstones from Pala International
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Fine Minerals from Dan Weinrich Minerals
  • Top quality minerals from Kristalle of California
  • Search for Zeophyllite at Thames Valley Minerals
  • Buy Fine Minerals from mineralsweb.com
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

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

    Localities for Zeophyllite

    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.
    These maps work faster with Firefox!
    (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.
    Canada
     
    • Québec
      • Rouville Co.
        • Mont Saint-Hilaire
    		Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Ústí Region
        • Děčín (Tetschen)
    		No reference listed
    Pelikan A (1902) Beiträge zur kenntnis der zeolithe Böhmens, Sitzungsberichte der Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Klasse, 111, 334-347
    Germany
     
    • North Rhine-Westphalia
      • Siebengebirge
        • Königswinter
    		Brauns, R., (1922): Die Mineralien der Niederrheinischen Vulkangebiete, Schweizerbart, Stuttgart
    • Rhineland-Palatinate
      • Eifel Mts
        • Mayen
          • Ettringen
            • Bellerberg volcano
    		[Blass, G., Graf, H.W., Neufunde von bekannten Fundorten (VI), Mineralien-Welt 3/6,32-35, 1992] [A. Wittern: Mineralfundorte in Deutschland, Schweizerbart (Stuttgart), 2001]
        • Niederzissen
          • Brenk
    		Brauns, A., Brauns, R., Ein Kalkzeolith aus der Gruppe der Glimmerzeolithe vom Schellkopf bei Brenk, Cbl. Mineral. Geol. Paläont. 549-551, 1924
    Italy
     
    • Campania
      • Naples Province
        • Somma-Vesuvius Complex
          • Monte Somma
    		Passaglia, E., Porcelli. C. (1983): Zeophyllite from Monte Somma, Vesuvius, Italy, Mineralogical Magazine, Vol. 47, 397-400
    Japan
     
    • Honshu Island
      • Chugoku Region
        • Okayama Prefecture
          • Takahashi
    		Matsueda, H. (1983) Journal of the Mining College, Akita University, Ser. A, Mining Geology, 6, #3, 259-292.
      • Tohoku Region
        • Fukushima Prefecture
    		Matsuyama, F. (2001)
    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
            • Yukspor Mt
    		[World of Stones 95:5-6, p64]
    Sweden
     
    • Skåne
      • Hässleholm
        • Häglinge
    USA
     
    • Michigan
      • Ontonagon Co.
        • Mass City
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    • Texas
      • Culberson Co.
        • Apache Peak area
    		Am Min 51:1766-1774
    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.