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Cowlesite

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Formula:
CaAl
 
2
Si
 
3
O
 
10
· 6H
 
2
O
System:OrthorhombicColour:Colourless, White
Hardness:5 - 5½
Member of:Zeolite Group


Zeolite Group.

Unlike other zeolites, cowlesite has a very limited compositional range (Vezzalini et al., 1992).

Classification of Cowlesite

IMA status:Approved
Strunz 8th edition ID:8/J.24-10
Nickel-Strunz 10th (pending) edition ID:9.GG.05

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
G : Unclassified zeolites
Dana 8th edition ID:77.1.5.8

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites
Hey's CIM Ref.:16.9.28

16 : Silicates Containing Aluminum and other Metals
9 : Aluminosilicates of Ca
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Type Occurrence of Cowlesite

Co-type Localities:Unnamed wash, adjacent to State Route 177, Superior area, Superior District, Pinal Co., Arizona, USA
Neer Road, Goble, Columbia Co., Oregon, USA
Year of Discovery:1975

Physical Properties of Cowlesite

Lustre:Vitreous, Greasy
Colour:Colourless, White
Streak:White
Hardness (Mohs):5 - 5½

Crystallography of Cowlesite

Crystal System:Orthorhombic
Cell Parameters:a = 11.27Å, b = 15.25Å, c = 12.61Å
Ratio:a:b:c = 0.739 : 1 : 0.827
Unit Cell Volume:V 2,167.25 ų (Calculated from Unit Cell)
Comment:A doubled cell with a 23.3, b 30.6, c 25.0 A is also reported (Vezzalini et al., 1992).

Optical Data of Cowlesite

Type:Biaxial (-)
RI values: nα = 1.505 - 1.513 nβ = 1.509 - 1.516 nγ = 1.509 - 1.518
Maximum Birefringence:δ = 0.004 - 0.005

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:none

Chemical Properties of Cowlesite

Formula:
CaAl
 
2
Si
 
3
O
 
10
· 6H
 
2
O
Simplified for copy/paste:CaAl2Si3O10·6H2O
Essential elements:Al, Ca, H, O, Si
All elements listed in formula:Al, Ca, H, O, Si
Common Impurities:Fe,Na,K

Relationship of Cowlesite to other Species

Member of:Zeolite Group
Other Members of Group:

- +
Alflarsenite
NaCa
 
2
Be
 
3
Si
 
4
O
 
13
(OH) · 2H
 
2
O
Amicite
K
 
2
Na
 
2
Al
 
4
Si
 
4
O
 
16
· 5H
 
2
O
Ammonioleucite
(NH
 
4
,K)(AlSi
 
2
O
 
6
)
Analcime
Na
 
2
(Al
 
2
Si
 
4
O
 
12
) · 2H
 
2
O
Barrerite
(Na,K,Ca
 
0.5
)
 
2
[Al
 
2
Si
 
7
O
 
18
] · 7H
 
2
O
Beaumontite (of Lévy)
Bellbergite
(K,Ba,Sr)
 
2
Sr
 
2
Ca
 
2
(Ca,Na)
 
4
[Al
 
3
Si
 
3
O
 
12
]
 
6
· 30H
 
2
O
Bikitaite
LiAlSi
 
2
O
 
6
· H
 
2
O
Boggsite
Ca
 
8
Na
 
3
(Si,Al)
 
96
O
 
192
· 70H
 
2
O
Brewsterite
Brewsterite-Ba
(Ba,Sr)[Al
 
2
Si
 
6
O
 
16
] · 5H
 
2
O
Brewsterite-Sr
(Sr,Ba,Ca)[Al
 
2
Si
 
6
O
 
16
] · 5H
 
2
O
Chabazite-Ca
(Ca,K
 
2
,Na
 
2
)
 
2
[Al
 
2
Si
 
4
O
 
12
]
 
2
· 12H
 
2
O
Chabazite-K
(K
 
2
,Ca,Na
 
2
,Sr,Mg)
 
2
[Al
 
2
Si
 
4
O
 
12
]
 
2
· 12H
 
2
O
Chabazite-Levyne Subgroup
Chabazite-Mg
(Mg
 
0.7
K
 
0.5
Ca
 
0.5
Na
 
0.1
)[Al
 
3
Si
 
9
O
 
24
]·10H
 
2
O
Chabazite-Na
(Na
 
2
,K
 
2
,Ca,Sr,Mg)
 
2
[Al
 
2
Si
 
4
O
 
12
]
 
2
· 12H
 
2
O
Chabazite-Sr
Sr
 
2
[Al
 
2
Si
 
4
O
 
12
]
 
2
· 12H
 
2
O
Chiavennite
CaMnBe
 
2
Si
 
5
O
 
13
(OH)
 
2
· 2H
 
2
O
Clinoptilolite-Ca
(Ca,Na,K)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
· 12H
 
2
O
Clinoptilolite-K
(K,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
· 12H
 
2
O
Clinoptilolite-Na
(Na,K,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
· 12H
 
2
O
Dachiardite-Ca
(Ca,Na
 
2
,K
 
2
)
 
5
Al
 
10
Si
 
38
O
 
96
· 25H
 
2
O
Dachiardite-Na
(Na
 
2
,Ca,K
 
2
)
 
5
Al
 
10
Si
 
38
O
 
96
· 25H
 
2
O
Direnzoite
NaK
 
6
MgCa
 
2
(Al
 
13
Si
 
47
O
 
120
) · 36H
 
2
O
Edingtonite
Ba[Al
 
2
Si
 
3
O
 
10
] · 4H
 
2
O
Epistilbite
CaAl
 
2
Si
 
6
O
 
16
· 5H
 
2
O
Erionite-Ca
(Ca,K
 
2
,Na
 
2
)
 
2
[Al
 
4
Si
 
14
O
 
36
] · 15H
 
2
O
Erionite-K
(K
 
2
,Ca,Na
 
2
)
 
2
[Al
 
4
Si
 
14
O
 
36
] · 15H
 
2
O
Erionite-Na
(Na
 
2
,K
 
2
,Ca)
 
2
[Al
 
4
Si
 
14
O
 
36
] · 15H
 
2
O
Faujasite Subgroup
Faujasite-Ca
(Ca,Na
 
2
,Mg)
 
3.5
[Al
 
7
Si
 
17
O
 
48
] · 32H
 
2
O
Faujasite-Mg
(Mg,Na
 
2
,Ca)
 
3.5
[Al
 
7
Si
 
17
O
 
48
] · 32H
 
2
O
Faujasite-Na
(Na
 
2
,Ca,Mg)
 
3.5
[Al
 
7
Si
 
17
O
 
48
] · 32H
 
2
O
Ferrierite
Ferrierite-K
(K
 
2
,Na
 
2
,Mg,Ca)
 
3-5
Mg[Al
 
5-7
Si
 
27.5-31
O
 
72
] · 18H
 
2
O
Ferrierite-Mg
(Mg,Na
 
2
,K
 
2
,Ca)
 
3-5
Mg[Al
 
5-7
Si
 
27.5-31
O
 
72
] · 18H
 
2
O
Ferrierite-Na
(Na
 
2
,K
 
2
,Mg,Ca)
 
3-5
Mg[Al
 
5-7
Si
 
27.5-31
O
 
72
] · 18H
 
2
O
Ferrochiavennite
Ca
 
1-2
Fe[(Si,Al,Be)
 
5
Be
 
2
O
 
13
(OH)
 
2
]•2H
 
2
O
Flörkeite
(K
 
3
Ca
 
2
Na)[Al
 
8
Si
 
8
O
 
32
] · 12H
 
2
O
Garronite
Na
 
2
Ca
 
5
Al
 
12
Si
 
20
O
 
64
· 27H
 
2
O
Gaultite
Na
 
4
Zn
 
2
Si
 
7
O
 
18
· 5H
 
2
O
Gismondine
Gismondine-Ba
Ba
 
2
Al
 
4
Si
 
4
O
 
16
· 4-6H
 
2
O
Gismondine-Ca
CaAl
 
2
Si
 
2
O
 
8
· 4H
 
2
O
Gmelinite
Gmelinite-Ca
(Ca,Na
 
2
)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
Gmelinite-K
(K
 
2
,Na
 
2
,Ca)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
Gmelinite-Na
(Na
 
2
,Ca)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
Gobbinsite
Na
 
4
(Ca,Mg,K
 
2
)Al
 
6
Si
 
10
O
 
32
· 12H
 
2
O
Gonnardite
(Na,Ca)
 
2
(Si,Al)
 
5
O
 
10
· 3H
 
2
O
Goosecreekite
Ca[Al
 
2
Si
 
6
O
 
16
] · 5H
 
2
O
Gottardiite
Na
 
3
Mg
 
3
Ca
 
5
Al
 
19
Si
 
117
O
 
272
· 93H
 
2
O
Harmotome
(Ba
 
0.5
,Ca
 
0.5
,K,Na)
 
5
[Al
 
5
Si
 
11
O
 
32
] · 12H
 
2
O
Heulandite-Ba
(Ba,Ca,K,Na,Sr)
 
5
Al
 
9
Si
 
27
O
 
72
· 22H
 
2
O
Heulandite-Ca
(Ca,Na)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
· 12H
 
2
O
Heulandite-K
(K,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
· 12H
 
2
O
Heulandite-Na
(Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
· 12H
 
2
O
Heulandite-Sr
(Sr,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
· 12H
 
2
O
Hsianghualite
Ca
 
3
Li
 
2
(Be
 
3
Si
 
3
O
 
12
)F
 
2
Kirchhoffite
Cs(BSi
 
2
O
 
6
)
Laumontite
CaAl
 
2
Si
 
4
O
 
12
· 4H
 
2
O
Leucite
K(AlSi
 
2
O
 
6
)
Lévyne
Lévyne-Ca
(Ca,Na
 
2
,K
 
2
)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
Lévyne-Na
(Na
 
2
,Ca,K
 
2
)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
Lovdarite
K
 
2
Na
 
6
Be
 
4
Si
 
14
O
 
36
•9H
 
2
O
Maricopaite
Pb
 
7
Ca
 
2
(Si,Al)
 
48
O
 
100
· 32H
 
2
O
Mazzite-Mg
(Mg,K,Ca)
 
5
(Si
 
26
Al
 
10
)O
 
72
· 28H
 
2
O
Mazzite-Na
Na
 
8
[Al
 
4
Si
 
14
O
 
36
]
 
2
· 30H
 
2
O
Merlinoite
(K,Na)
 
5
(Ca,Ba)
 
2
Al
 
9
Si
 
23
O
 
64
· 23H
 
2
O
Mesolite
Na
 
2
Ca
 
2
Si
 
9
Al
 
6
O
 
30
· 8H
 
2
O
Montesommaite
(K,Na)
 
9
Al
 
9
Si
 
23
O
 
64
· 10H
 
2
O
Mordenite
(Na
 
2
,Ca,K
 
2
)Al
 
2
Si
 
10
O
 
24
· 7H
 
2
O
Mutinaite
Na
 
3
Ca
 
4
Si
 
85
Al
 
11
O
 
192
· 60H
 
2
O
Nabesite
Na
 
2
BeSi
 
4
O
 
10
· 4H
 
2
O
Natrolite
Na
 
2
Al
 
2
Si
 
3
O
 
10
· 2H
 
2
O
Natrolite Subgroup
Offretite
KCaMgAl
 
5
Si
 
13
O
 
36
· 16H
 
2
O or near
Pahasapaite
Li
 
8
(Ca,Li,K)
 
10.5
Be
 
24
(PO
 
4
)
 
24
· 38H
 
2
O
Paranatrolite
Na
 
2
Al
 
2
Si
 
3
O
 
10
· 3H
 
2
O
Parthéite
CaAl
 
2
Si
 
2
O
 
8
· 2H
 
2
O
Paulingite
Paulingite-Ca
(Ca,K
 
2
,Na
 
2
,Ba)
 
5
[Al
 
10
Si
 
35
O
 
90
] · 45H
 
2
O
Paulingite-K
(K
 
2
,Ca,Na
 
2
,Ba)
 
5
[Al
 
10
Si
 
35
O
 
90
] · 45H
 
2
O
Paulingite-Na
(Na
 
2
,K
 
2
,Ca,Ba)
 
5
[Al
 
10
Si
 
35
O
 
90
] · 45H
 
2
O
Perlialite
K
 
9
Na(Ca,Sr)[Al
 
2
Si
 
4
O
 
12
]
 
6
· 15H
 
2
O
Phillipsite-Ca
(Ca
 
0.5
,K,Na,Ba
 
0.5
)
 
4-7
[Al
 
4-7
Si
 
12-9
O
 
32
.
 
12H2O
Phillipsite-K
(K,Na,Ca
 
0.5
,Ba
 
0.5
)
 
4-7
[Al
 
4-7
Si
 
12-9
O
 
32
]
.
 
12H
 
2
O
Phillipsite-Na
(Na,K,Ca
 
0.5
,Ba
 
0.5
)
 
4-7
[Al
 
4-7
Si
 
12-9
O
 
32
] · 12H
 
2
O
Pollucite
(Cs,Na)
 
2
(Al
 
2
Si
 
4
O
 
12
) · 2H
 
2
O
Roggianite
Ca
 
2
Be(OH)
 
2
Al
 
2
Si
 
4
O
 
13
· 2.5H
 
2
O
Scolecite
CaAl
 
2
Si
 
3
O
 
10
· 3H
 
2
O
Stellerite
Ca[Al
 
2
Si
 
7
O
 
18
] · 7H
 
2
O
Stilbite-Ca
NaCa
 
4
[Al
 
9
Si
 
27
O
 
72
] · nH
 
2
O
Stilbite-Na
(Na,Ca,K)
 
6-7
[Al
 
8
Si
 
28
O
 
72
] · nH
 
2
O
Strontiohurlbutite
SrBe
 
2
(PO
 
4
)
 
2
Terranovaite
(Na,Ca)
 
8
(Si
 
68
Al
 
12
)O
 
160
· 29H
 
2
O
Tetranatrolite
Thomsonite-Ca
NaCa
 
2
[Al
 
5
Si
 
5
O
 
20
] · 6H
 
2
O
Thomsonite-Sr
Na(Sr,Ca)
 
2
[Al
 
5
Si
 
5
O
 
20
] · 7H
 
2
O
Tschernichite
(Ca,Na
 
2
)[Al
 
2
Si
 
4
O
 
12
] · 4-8H
 
2
O
Tschörtnerite
Ca
 
4
(Ca,Sr,K,Ba)
 
3
Cu
 
3
[(OH)
 
2
|Al
 
3
Si
 
3
O
 
12
]
 
4
· nH
 
2
O
Wairakite
Ca(Al
 
2
Si
 
4
O
 
12
) · 2H
 
2
O
Weinebeneite
CaBe
 
3
(PO
 
4
)
 
2
(OH)
 
2
· 4H
 
2
O
Wenkite
(Ba,K)
 
4
(Ca,Na)
 
6
[(SO
 
4
)
 
3
|(Si,Al)
 
20
O
 
39
(OH)
 
2
] · 0.5H
 
2
O
Willhendersonite
KCa[Al
 
3
Si
 
3
O
 
12
] · 5H
 
2
O
Yugawaralite
CaAl
 
2
Si
 
6
O
 
16
· 4H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
9.GG.10Mountainite
KNa
 
2
Ca
 
2
[Si
 
8
O
 
19
(OH)] · 6H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
16.9.1Gehlenite
Ca
 
2
Al(AlSiO
 
7
)
16.9.2Anorthite
CaAl
 
2
Si
 
2
O
 
8
16.9.3Yoshiokaite
(Ca,Na)[Al(Al,Si)O
 
4
]
16.9.4Svyatoslavite
CaAl
 
2
Si
 
2
O
 
8
16.9.5Dmisteinbergite
CaAl
 
2
Si
 
2
O
 
8
16.9.6Grossular
Ca
 
3
Al
 
2
(SiO
 
4
)
 
3
16.9.7Vuagnatite
CaAl(SiO
 
4
)(OH)
16.9.8Zoisite
{Ca
 
2
}{Al
 
3
}(Si
 
2
O
 
7
)(SiO
 
4
)O(OH)
16.9.9Clinozoisite
{Ca
 
2
}{Al
 
3
}(Si
 
2
O
 
7
)(SiO
 
4
)O(OH)
16.9.10Prehnite
Ca
 
2
Al
 
2
Si
 
3
O
 
10
(OH)
 
2
16.9.11Kamaishilite
Ca
 
2
(Al
 
2
SiO
 
6
)(OH)
 
2
16.9.12Bicchulite
Ca
 
2
(Al
 
2
SiO
 
6
)(OH)
 
2
16.9.13Margarite
CaAl
 
2
(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
16.9.14Chantalite
CaAl
 
2
(SiO
 
4
)(OH)
 
4
16.9.15Cebollite
Ca
 
5
Al
 
2
(SiO
 
4
)
 
3
(OH)
 
4
16.9.17Katoite
Ca
 
3
Al
 
2
(SiO
 
4
)
 
3-x
(OH)
 
4x
16.9.18Lawsonite
CaAl
 
2
(Si
 
2
O
 
7
)(OH)
 
2
· H
 
2
O
16.9.19Parthéite
CaAl
 
2
Si
 
2
O
 
8
· 2H
 
2
O
16.9.20Wairakite
Ca(Al
 
2
Si
 
4
O
 
12
) · 2H
 
2
O
16.9.21Vertumnite
Ca
 
4
Al
 
4
Si
 
4
O
 
6
(OH)
 
24
· 3H
 
2
O
16.9.22Scolecite
CaAl
 
2
Si
 
3
O
 
10
· 3H
 
2
O
16.9.23Laumontite
CaAl
 
2
Si
 
4
O
 
12
· 4H
 
2
O
16.9.24Yugawaralite
CaAl
 
2
Si
 
6
O
 
16
· 4H
 
2
O
16.9.25Gismondine-Ca
CaAl
 
2
Si
 
2
O
 
8
· 4H
 
2
O
16.9.26Epistilbite
CaAl
 
2
Si
 
6
O
 
16
· 5H
 
2
O
16.9.27Goosecreekite
Ca[Al
 
2
Si
 
6
O
 
16
] · 5H
 
2
O
16.9.30Stellerite
Ca[Al
 
2
Si
 
7
O
 
18
] · 7H
 
2
O
16.9.31Strätlingite
Ca
 
2
Al
 
2
SiO
 
7
· 8H
 
2
O
16.9.32Amstallite
CaAl(Si,Al)
 
4
O
 
8
(OH)
 
4
· (H
 
2
O,Cl)

Other Names for Cowlesite

Synonyms:
IMA1975-016
Other Languages:
German:Cowlesit
Spanish:Cowlesita

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 Cowlesite

Reference List:

- +
Wise, W.S. & R.W. Tschernich (1975): Cowlesite, a new Ca-zeolite: American Mineralogist 60, 951-956.

Nawaz, R. (1984): New data on cowlesite from Northern Ireland, Mineralogical Magazine, 48, 565-566.

Vezzalini, G., Artioli, G., Quartieri, S., Foy, H. (1992): The crystal chemistry of cowlesite, Mineralogical Magazine, 56, 575-579.

Internet Links for Cowlesite

Search Engines:
  • Look for Cowlesite on Google
  • Look for Cowlesite images on Google
  • External Links:
  • Look for Cowlesite on Webmineral
  • Look for Cowlesite on Athena Mineralogy
  • Look for Cowlesite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Cowlesite details from Handbook of Mineralogy (PDF)
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  • Localities for Cowlesite

    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.
    Antarctica
     
    • Eastern Antarctica
      • Victoria Land
    AmMin 82:423; Galli E, Quartieri S, Vezzalini G, Alberti A (1996) Gottardiite, a new high-silica zeolite from Antarctica: the natural counterpart of synthetic NU-87, European Journal of Mineralogy 8, 687-693
    Australia
     
    • New South Wales
      • Gloucester Co.
        • Barrington Tops
          • Barrington
    Graham, I. T., Pogson, R. E. and Colchester, D. (2002): Cowlesite and associated minerals from the Barrington Tops area, New South Wales. Australian J. Mineral. 8, 3-8.
    • Victoria
      • Baw Baw Shire
        • Jindivick
    Tschernich, R. (1992): Zeolites of the World, p.49; Haupt,J. (1989) Chapter 4: South Gippsland,59-65 in: Birch, W.D. (Ed.) Zeolites of Victoria,101 pp, Melbourne, 1989
      • Flinders area
    Tschernich, R. (1992): Zeolites of the World, p.49
    Austria
     
    • Lower Austria
      • Waldviertel
        • Mühldorf
    R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Canada
     
    • British Columbia
      • Kamloops Mining Division
    Tschernich, R. (1992): Zeolites of the World, p.124
    Tschernich, R. (1992): Zeolites of the World, p.51,99,124
        • Westwold
    Tschernich, R. (1992): Zeolites of the World, p.98,124
    • Ontario
      • Hastings Co.
        • Dungannon Township
    Tschernich, R. (1992): Zeolites of the World, p.51,100,124
    • Québec
      • Laurentides
        • Argenteuil RCM
          • Wentworth
            • Laurel
    Van Velthuizen et al. (2006) Mineral. Record 37, 283 [locality 48]; Tschernich, R. (1992): Zeolites of the World, p.52,124
    Costa Rica
     
    • Guanacaste Province
    Micro Probe Vol 7 No. 7 Spring 1993
    Micro Probe Vol. 7 No. 7 Spring 1993
    • San José Province
      • Bajo Chacones
    Micro Probe Volume VII Number 7 Spring 1993
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
        • Mladá Boleslav
          • Bela pod Bezdezem
    Ing. O. Janeček - New localities of Offretite and Cowlesite
      • Liberec Region
        • Česká Lípa (Böhmisch Leipa)
    L.Hrůzek,O.Janeček-Personal reference
      • Ústí Region
        • Děčín (Tetschen)
          • Česká Kamenice
    Levyn a další zeolity z Hackenbergu u České Kamenice
    L.Hrůzek,O.Janeček-Zapomenutá zeolitpvá lokalita Eschlers Bergl u Kunratic u České Kamenice,mag.Minerál 2013/6; L.Hrůzek,O.Janeček,P.Fuchs-Zapomenutá zeolitová lokalita Eschlers Bergl u Kunratic u České Kamenice.mag.Minerál 2013/6
    O.Janeček,L.Hrůzek-Personal reference
    L.Hrůzek,O.Janeček-Nová lokalita zeolitů Rollberg u Kunratic u Č.Kamenice,mag.Minerál 2013/6; L.Hrůzek,O.Janeček(2013)Nová lokalita zeolitů Rollberg u Kunratic u České Kamenice.mag.Minerál 2013/6
    Petr Fuchs 2007
        • Ústí nad Labem (Aussig)
    Rychlý, R., Langrová, A., Had, J.: Chemicstry of cowlesite from Zezice, Bohemia. Scripta Fac. Sci. Nat. Univ. Masaryk. Brun, Geol., 1996, vol. 26, p. 43 - 44.
    Denmark
     
    • Faroe Islands
      • Sandoy Island
    Tschernich, R. W. (1992): Zeolites of the world. Geoscience Press, Phoenix, Arizona.(p. 124,301)
      • Streymoy Island
    Betz, V. (1981): Famous mineral localities: Zeolites from Iceland and the Faeroes. Mineralogical Record 12 (1), 5-26.; Tschernich, R. W. (1992): Zeolites of the world. Geoscience Press, Phoenix, Arizona, p.124
    Hungary
     
    • Pest Co.
      • Pilis Mtns
        • Pilisszentlászló
    GEODA 2005/3; Szakáll, S., Fehér, B. & Vezzalini, G. (2006): Occurrence of cowlesite in andesite at Pilisszentlászló, Pilis Mts., Hungary. Acta Mineralogica-Petrographica, Abstract Series, 5, p. 113.
    Iceland
     
    • Capital Region
    Selbekk, R. S. & Mattsson, H. (2004): Zeolitt mineraliseringer i Hvalfjördur, Island. STEIN 31 (1), 28-33
    Multi-stage zeolite facies mineralization in the Hvalfjo¨rdur area,
    • Western Region
      • Mýrasýsla
        • Norðurárdalur
          • Hvammur
    Betz, V. (1981): Famous mineral localities: Zeolites from Iceland and the Faeroes. Mineralogical Record 12 (1), 5-26
    Italy
     
    • Sardinia
      • Oristano Province
    Bortolozzi, G., Ciriotti, M. E., Galli, E., & Bonacina, E. (2007). Carlhintzeite e cowlesite della Sardegna: primi ritrovamenti italiani. Micro (UK report), 1/2007, 33-38.
      • Sassari Province
        • Anglona
    - Bortolozzi, G., Ciriotti, M. E., Galli, E., Bonacina, E. (2007): Carlhintzeite e cowlesite della Sardegna: primi ritrovamenti italiani. Micro (UK report), 1/2007, 33-3
    Japan
     
    • Chugoku Region
      • Shimane Prefecture
        • Oki Islands
          • Nishinoshima
    Matsubara, S. et al (1978) Bulletin of the National Science Museum (Tokyo), 4, 33-36.
    • Kyushu Region
      • Nagasaki Prefecture
        • Hirado City
    Fujimoto et al. (1990) Chigaku Kenkyu, 39, 219-224.
    New Zealand
     
    • North Island
      • Northland
        • Kaipara
          • Aranga
    Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
    Collection of Rod Martin
    NZ Zeolite list and locations. Neville Berkahn, New Zealand Micromounters Group, December 2006.
    • South Island
      • Canterbury
        • Lyttelton
    Thornton, J. (Ed.), The Micro-Scope, No. 26, July 1998
      • Marlborough
    J. Thornton. Zeolites and other minerals on Middlehurst Station. Essence of Microscope (NZ)
    Essence of Micro-Scope, Lookout volcanics, Mt Lookout and Upcot Stations. 2009
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
    www.koeln.netsurf.de/~w.steffens/lovo.htm
    Spain
     
    • Canary Islands
      • Las Palmas Province
        • Lanzarote
          • Yaiza
            • Playa Blanca
    Kratzsch E. (2001) Mineralfundstellen auf Lanzarote, Kanarische Inseln; Lapis 2001, 3, 13-23 (reference via Ferdinando Giovine)
    UK
     
    • Northern Ireland
      • Co. Antrim
        • Antrim
    Trevor Boyd collection
        • Ballyclare
    Trevor Boyd collection
    Wilson O., Dyer A., Enamy H. (2003): Zeolites of the British Isles. British Micromount Society, Occasional Paper, 15; BMS Collection; MINERALOGICAL MAGAZINE, DECEMBER 1984, VOL. 48, PP. 565 6
        • Giant's Causeway
    http://rruff.geo.arizona.edu/doclib/hom/cowlesite.pdf.; MINERALOGICAL MAGAZINE, DECEMBER 1984, VOL. 48, PP. 565-6
        • Glenarm
    Trevor Boyd (Ferdinando Giovine collection)
        • Island Magee
          • Gobbins
    http://www.habitas.org.uk/escr/summary.asp?item=527
        • Larne
    Foy, H. (1994). Gobbinsite from Magheramorne Quarry, Northern Ireland. Mineralogical Magazine, 58, 615-620.
    Trevor Boyd Collection
        • Portrush
    Zeolite colletion of Volker Betz
        • Waterfoot
    Trevor Boyd Collection
    • Scotland
      • North West Highlands (Inverness-shire)
        • Isle of Skye
          • Duirinish
            • Dunvegan
    [UKJMM 16:21-27]
    No reference listed
          • Trotternish
            • Loch Snizort
              • Kingsburgh
    BMS Database
    USA
     
    • Arizona
      • Pinal Co.
        • Superior District
          • Superior area
            • adjacent to State Route 177
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 109, 160, 191, 230, 305, 395; Wise, W.S. & R.W. Tschernich (1975), Cowlesite, a new Ca-zeolite, Am.Min.: 60: 951-956.
    • Colorado
      • Jefferson Co.
        • Golden District
          • Golden
    Rocks & Minerals 79:4
    MinRec 19:153
    • Idaho
      • Adams Co.
    R&M 70:4 pp 242-263
      • Idaho Co.
        • Skookumchuck Creek
    Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
    • Oregon
      • Columbia Co.
        • Goble
    Amer.Min.(1975) 60, 951-956; Micro Probe Vol. 6 No. 5 Fall 1987; Tschernich, R. (1992): Zeolites of the World, 117
      • Grant Co.
        • Mount Vernon
    Micro Probe Volume VI Number 4
        • North Fork John Day River
    Tschernich, R. (1992): Zeolites of the World, 118
        • Ritter
    Micro Probe Volume VII Number 8 Fall 1993
    Micro Probe Volume VII Number 8 Fall 1993
      • Jackson Co.
        • Lost Creek Reservoir
    K. Starnes, personal ID, 1986
      • Lake Co.
    Micro Probe Vol. 7 No. 9 Spring 1994; Tschernich, R. (1992): Zeolites of the World, 118
      • Wallowa Co.
        • Joseph
          • Aneroid Lake
    Micro Probe Volume VI Number 4
      • Wheeler Co.
        • Spray
    Micro Probe Vol. 6 No. 4; Tschernich, R. (1992): Zeolites of the World, 118
    Micro Probe VolumeVII Number 3 Spring 1996
    • Washington
      • Clark Co.
        • Yacolt
    Micro Probe Volume VI Number 4
      • Cowlitz Co.
        • Wolf Point
    Micro Probe Vol. 7 No. 10
      • Grays Harbor Co.
        • Porter
    Micro Probe Vol. 7 No. 5 Spring '92
      • Thurston Co.
        • Olympia
    Zeolites of the World, Rudy W. Tschernich 1992
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