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Heulandite-Ca

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Berufjördur, Suður-Múlasýsla, Iceland
© Rob Lavinsky

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Formula:
(Ca,Na)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
 · 12H
 
2
O
System:MonoclinicColour:White, Colorless, Red, ...
Lustre:Vitreous, PearlyHardness:3½ - 4
Member of:Zeolite Group
Name:Named after the English mineral collector, John Henry Heuland (1778-1856), a British mineral collector and dealer. And for its calcium content.


The calcium analogue of Heulandite-Ba, Heulandite-K, Heulandite-Na, and Heulandite-Sr. Clinoptilolite-Ca-Heulandite-Ca Series.

Classification of Heulandite-Ca

IMA status:Approved 1997
Explanation of status:Redefined by Zeolites Subcommittee 1997
Strunz 8th edition ID:8/J.23-10
Nickel-Strunz 10th (pending) edition ID:9.GE.05

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
E : Chains of T10O20 Tetrahedra
Dana 7th edition ID:77.1.4.1
Dana 8th edition ID:77.1.4.1

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites
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Type Occurrence of Heulandite-Ca

Type Locality:Strathclyde (Dunbartonshire), Scotland, UK

Occurrences of Heulandite-Ca

Geological Setting:Cavities in basalt and as a devitrification product from volcanic glasses.

Physical Properties of Heulandite-Ca

Lustre:Vitreous, Pearly
Diaphaneity (Transparency):Transparent
Comment:Pearly on cleavage {010}
Colour:White, Colorless, Red, Yellow, Brown, Green
Streak:White
Hardness (Mohs):3½ - 4
Tenacity:Brittle
Cleavage:Perfect
Perfect on the {010}
Fracture:Irregular/Uneven, Sub-Conchoidal
Density (measured):2.1 - 2.2 g/cm3
Density (calculated):2.17 g/cm3

Crystallography of Heulandite-Ca

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m {B1 1 2/m} {C2/m} {C1 2/m 1}
Cell Parameters:a = 7.435(7) Å, b = 16.84Å, c = 15.88Å
β = 91.433°
Ratio:a:b:c = 0.442 : 1 : 0.943
Unit Cell Volume:V 1,987.64 ų (Calculated from Unit Cell)
Z:2
Morphology:Coffin shaped tabular crystals, granular, massive
Twinning:{100} is twin and contact plane

Optical Data of Heulandite-Ca

Type:Biaxial (+)
RI values: nα = 1.491 - 1.505 nβ = 1.493 - 1.503 nγ = 1.500 - 1.512
2V:Measured: 10° to 48°
Maximum Birefringence:δ = 0.009

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

Chemical Properties of Heulandite-Ca

Formula:
(Ca,Na)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
 · 12H
 
2
O
Essential elements:Al, Ca, H, O, Si
All elements listed in formula:Al, Ca, H, Na, O, Si

Relationship of Heulandite-Ca to other Species

Series:Forms a series with Clinoptilolite-Ca (see here)
Member of:Zeolite Group
Other Members of Group:

- +
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
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
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
Cowlesite
CaAl
 
2
Si
 
3
O
 
10
 · 6H
 
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
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
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-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
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
(Na,K,Ca)
 
4
(Be,Al)
 
2
Si
 
6
O
 
16
 · 4H
 
2
O
Maricopaite
Pb
 
7
Ca
 
2
(Si,Al)
 
48
O
 
100
 · 32H
 
2
O
Mazzite-Mg
K
 
2
Mg
 
2
Ca
 
1.5
Al
 
9.5
Si
 
26.5
O
 
72
 · 28H
 
2
O or near
Mazzite-Na
Na
 
4
[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
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
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
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
(Sr,Ca)
 
2
Na[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
Common Associates:
DatoliteCalciteApophyllite
Related Minerals - Nickel-Strunz Grouping):

- +
9.GE.05Clinoptilolite-Ca
(Ca,Na,K)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
 · 12H
 
2
O
9.GE.05Clinoptilolite-K
(K,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
 · 12H
 
2
O
9.GE.05Clinoptilolite-Na
(Na,K,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
 · 12H
 
2
O
9.GE.05Heulandite-K
(K,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
 · 12H
 
2
O
9.GE.05Heulandite-Na
(Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
 · 12H
 
2
O
9.GE.05Heulandite-Sr
(Sr,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
 · 12H
 
2
O
9.GE.05Heulandite-Ba
(Ba,Ca,K,Na,Sr)
 
5
Al
 
9
Si
 
27
O
 
72
 · 22H
 
2
O
9.GE.10Stilbite-Ca
NaCa
 
4
[Al
 
9
Si
 
27
O
 
72
] · nH
 
2
O
9.GE.10Stilbite-Na
(Na,Ca,K)
 
6-7
[Al
 
8
Si
 
28
O
 
72
] · nH
 
2
O
9.GE.15Barrerite
(Na,K,Ca
 
0.5
)
 
2
[Al
 
2
Si
 
7
O
 
18
] · 7H
 
2
O
9.GE.15Stellerite
Ca[Al
 
2
Si
 
7
O
 
18
] · 7H
 
2
O
9.GE.20Brewsterite-Ba
(Ba,Sr)[Al
 
2
Si
 
6
O
 
16
] · 5H
 
2
O
9.GE.20Brewsterite-Sr
(Sr,Ba,Ca)[Al
 
2
Si
 
6
O
 
16
] · 5H
 
2
O
Related Minerals - Dana Grouping):

- +
77.1.4.1Heulandite-K
(K,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
 · 12H
 
2
O
77.1.4.1Heulandite-Na
(Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
 · 12H
 
2
O
77.1.4.1Heulandite-Sr
(Sr,Na,Ca)
 
2-3
Al
 
3
(Al,Si)
 
2
Si
 
13
O
 
36
 · 12H
 
2
O
77.1.4.3Stilbite-Ca
NaCa
 
4
[Al
 
9
Si
 
27
O
 
72
] · nH
 
2
O
77.1.4.3Stilbite-Na
(Na,Ca,K)
 
6-7
[Al
 
8
Si
 
28
O
 
72
] · nH
 
2
O
77.1.4.5Barrerite
(Na,K,Ca
 
0.5
)
 
2
[Al
 
2
Si
 
7
O
 
18
] · 7H
 
2
O

Other Names for Heulandite-Ca

Other Languages:
Russian:Гейландит-Ca

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 Heulandite-Ca

Reference List:

- +
Merkle, A.B., and M. Slaughter (1968), Determination and refinement of the structure of heulandite: American Mineralogist: 53: 1120-1138.

Alberti, A. (1972), On the crystal structure of the zeolite heulandite: Tschermaks Mineralogische und Petrographische Mitteilungen: 18: 129-146.

Comodi, P., G.D. Gatta, & P.F. Zanazzi (2001), High-pressure structural behavior of heulandite: European Journal of Mineralogy: 15: 247-255.

Internet Links for Heulandite-Ca

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    • Localities for Heulandite-Ca

    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.
    Austria
     
    • Styria
      • Koralpe
        • Stainz
          • Marhof
    		Postl, W. et al. (2007)
    • Tyrol
      • North Tyrol
        • Kauns valley
          • Feichten
            • Vergötschen
    		Bernhard, F. (2009)
    Brazil
     
    • Minas Gerais
      • Doce valley
        • Divino das Laranjeiras
    		Rob Lavinsky
    • São Paulo
      • Pederneiras
    		Tested by Gunnar Färber
    Canada
     
    • Northwest Territories
      • Tungsten
    		The Canadian Mineralogist Vol. 41, pp. 139-160 (2003)
    • Nova Scotia
      • Digby Co.
    		Traill, R. J., 1970, A Catalogue of Canadian Minerals, Paper 69-45.
      • Kings Co.
        • Bay of Fundy
    		Can. Min. 38, 1215
    Canadian Mineralogist Vol 38 pp. 1215-1232 (2000)
    Rob Lavinsky
    • Québec
      • Laurentides
        • Argenteuil RCM
          • Harrington
    		Van Velthuizen et al. (2006). Min. Record 37, 283
          • Wentworth
            • Laurel
    		Van Velthuizen et al. (2006) Mineral. Record 37, 283 [locality 48]; Tschernich, R. (1992): Zeolites of the World, p.52,255
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Hradec Králové Region
        • Jičín (Jitschin; Gitschin)
    		Zeman, M.: Zeolity melafyrů SV Čech. Minerál, 1996, roč. 4, č. 2, s. 107
      • Liberec Region
        • Železný Brod (Eisenbrod)
    		No reference listed
    • Moravia (Mähren; Maehren)
      • Olomouc Region
        • Šumperk (Mährisch Schönberg)
          • Dolní Temenice
    		Novotný, P.: Minerály žil alpského typu v severovýchodní části Českého masivu. Zprávy Vlastivědného muzea v Olomouci, 2004, č. 281, s. 13-63.
          • Horni Temenice
    		Novotný, P.: Minerály žil alpského typu v severovýchodní části Českého masivu. Zprávy Vlastivědného muzea v Olomouci, 2004, č. 281, s. 13-63.
          • Kouty nad Desnou
    		Novotný, P.: Minerály žil alpského typu v severovýchodní části Českého masivu. Zprávy Vlastivědného muzea v Olomouci, 2004, č. 281, s. 13-63.
    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.
          • Sobotín (Zöptau; Zoeptau)
    		Novotný, P.: Minerály žil alpského typu v severovýchodní části Českého masivu. Zprávy Vlastivědného muzea v Olomouci, 2004, č. 281, s. 13-63.
          • Vikyrovice
    		Novotný, P.: Minerály žil alpského typu v severovýchodní části Českého masivu. Zprávy Vlastivědného muzea v Olomouci, 2004, č. 281, s. 13-63.
    Ecuador
     
    • Guayas Province
    		R. S. Bowman and S. E. Delap (Eds.) Zeolite ’06—7th International Conference on the Occurrence, Properties, and Utilization of Natural Zeolites Socorro, New Mexico USA, 16–21 July 2006
    R. S. Bowman and S. E. Delap (Eds.) Zeolite ’06—7th International Conference on the Occurrence, Properties, and Utilization of Natural Zeolites Socorro, New Mexico USA, 16–21 July 2006
    France
     
    • Rhône-Alpes
      • Savoie
        • La Lauzière massif
          • Pussy
    		DE ASCENCAO GUEDES R., VALANGE S. et GABELICA Z. (2002). L’heulandite de La Gorraz, Pussy, massif de La Lauzière, Savoie. Le Règne Minéral n°45, pp. 18-21. Editions du Piat.
    Bernard, O. (2011): L'heulandite-Ca de Roche Brisée, Massif de La Lauzière, Savoie. Le Règne Minéral. 97: 26-27
    Germany
     
    • Bavaria
      • Lower Bavaria
        • Bavarian Forest
          • Waldkirchen
            • Röhrnbach
    		Habel, M. (2009): Der Granodioritbruch der Fa. Josef Uhrmann OHG, Steinerleinbach bei Röhrnbach. Mineralien-Welt 20 (2), 66-86.
    • Lower Saxony
      • Harz
        • St Andreasberg District
          • St Andreasberg
    		No reference listed
    Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Peine
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Salzgitter
        • Lengede
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Rhineland-Palatinate
      • Hunsrück
        • Baumholder
    		Weiss: "Mineralfundstellen, Deutschland West", 1990
    • Thuringia
      • Wurzbach
        • Weitisberga
    		Wittern: "Mineralfundorte in Deutschland", 2001
    Hungary
     
    • Baranya Co.
      • Mecsek Mts.
        • Magyaregregy
    		Mineral Species of Hungary, 2005
    Mineral Species of Hungary, 2005
    Iceland
     
    • Suður-Múlasýsla
      • Berufjördur
    		Zeolite collection of Volker Betz
    India
     
    • Maharashtra
    		www.johnbetts-fineminerals.com/jhbnyc/minsize.htm
    Rob Lavinsky specimen
    Rob Lavinsky
      • Pune District (Poonah District)
        • Lonavale (Lonavala)
    		Praszkier, T. & Siuda, R. (2007): The Lonavala Quarry, Pune District, Maharashtra, India. Mineralogical Record 38: 185-189
        • Pashan
    		Rock Currier photo
    Ireland
     
    • Co. Galway
      • Connemara
    		Moreton, S. & Green, D.I. (2006) J. Russ. Soc., 9, p.90-2.
    Italy
     
    • Aosta Valley
      • Courmayeur
        • Monte Bianco Massif (Mont Blanc Massif)
          • Veny Valley
    		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.
    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.
    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.
    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.
    • Liguria
      • La Spezia Province
        • Levanto
    		Bracco R., Castellaro F., Kolitsch U. (2005): Levyna-Ca e altre zeoliti da Costa Sopramare, Levanto (La Spezia, Liguria). Micro, (notizie mineralogiche), 2/2005, 55-64.
    • Lombardy
      • Sondrio Province
        • 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.
    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.
    Ghizzoni, S. & Mazzoleni, G. (2005): Itinerari mineralogici in val Codera. Geologia Insubrica, Ed., Milano, 316 pp.
    • Piedmont
      • Biella Province
        • Cervo Valley
    		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, 607 pag.
    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.
          • Rosazza
    		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, 607 pag.
      • Cuneo Province
        • Bagnolo Piemonte
          • Ortieul
    		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, 607 pag.
      • Torino Province
        • Canavese District
          • Chiusella Valley
            • Traversella
    		Bianco, S., & Barresi, A. (2006). La cava di diorite "Tomaino" di Traversella. Osservazioni mineralogiche al 2005. MICRO (località), 2006, 141-160
        • Germanasca Valley
          • Prali
    		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.
        • Luserna San Giovanni
    		Ambrino, P., Brizio, P., Ciriotti, M.E., Finello, G., Marello, B. (2009). Minerali della pietra di Luserna. AMI. CD-ROM (in italian and in english)
      • 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.
        • Ossola Valley
          • Antigorio Valley
            • Premia
    		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.
          • Beura-Cardezza
    		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.
    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.
    • Sardinia
      • Olbia-Tempio Pausania Province
        • Arzachena
    		S. Cuccuru, A. Gamboni & L. Casini (2011): The Mt. Mazzolu quarry: a new mineralogical locality. PLINIUS 37, 304.
    • Trentino-Alto Adige
      • Trento Province
        • Fassa Valley
          • Buffaure Group
    		M.E. Ciriotti, 2006, probed
    • Veneto
      • Vicenza Province
        • Arzignano
          • Main Mt.
    		M. Boscardin (2002): " Presenze Mineralogiche significative nei Lessini Vicentini - Studi e Ricerche- Associazione Amici del Museo- Museo Civico "G. Zannato" Montecchio Maggiore (VI). 15 Dicembre 2002, pp. 49-56.
        • Montorso Vicentino
          • Case Nori
    		- M.Boscardin (2002) -Presenze mineralogiche significative nei Lessini vicentini - Studi e Ricerche- Associazione Amici del Museo-Museo Civico "G.Zannato" Montecchio Maggiore (Vicenza) , pp 49 - 56.
        • Santorso
    		http://www.tron.vi.it/minerali/index.html
        • Schio
          • San Rocco di Tretto
    		Carbonin, S., Manzone, A., Boscardin, M., Pegoraro, S. : Zeoliti del
        • Spagnago
          • Cornedo Vicentino
    		Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
    Japan
     
    • Honshu Island
      • Kanto Region
        • Kanagawa Prefecture
          • Yugawara
    		Harada et al (1969) Chishitsugaku Zasshi, 75, 551-552.
    • Tokyo Prefecture
      • Ogasawara Islands
        • Chichijima Group
    		Mineralogical Journal Vol. 11 (1982) , No. 1 pp1-14
    Mexico
     
    • Chihuahua
      • Mun. de Batopilas
        • Andres del Rio District
    		Wilson, W. and Panczner, C., 1986, Batopilas, Mineralogical Record, v 17: 61-80.
    Norway
     
    • Akershus
      • Asker
    		Stensrud, S. (2004): Mineralfunn i ny sikkerhetstunnel i Vardåsen og langs ny gangvei langs Heggedalsveien i Asker i 2002-2003. Norsk Bergverksmuseum Skrift 28: 76-102; Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
      • Eidsvoll (Eidsvold)
        • Feiring
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
      • Nittedal
    		Nordrum, F.S. ; Larsen, A.O. & Erambert, M. (2003): Minerals of the heulandite series in Norway- a progress report. Norsk Bergverksmuseum skrift 25: 51-62
    • Aust-Agder
      • Arendal
        • Arendal Iron Mines
          • Barbudalen
    		Nordrum, F.S. ; Larsen, A.O. & Erambert, M. (2003): Minerals of the heulandite series in Norway- a progress report. Norsk Bergverksmuseum skrift 25: 51-62
    Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
      • Evje og Hornnes
        • Flåt
    		Nordrum, F. S. ; Larsen, A. O. & Erambert, M. (2003): Minerals of the heulandite series in Norway - a progress report. Norsk Bergverksmuseum skrift 25: 51-62
      • Iveland
        • Ljosland
          • Knipan (Knipane)
    		Breivik, H., Myre, K. & Gunnufsen, K. (2010): Gammelt og nytt, stort og smått fra Storsynken, Knipane, Iveland. Norsk Bergverksmuseum Skrift. 43: 88-93
    • Buskerud
      • Drammen
        • Drammensmarka
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
    Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
      • Flesberg
        • Svene
          • Kongsberg Silver Mining District
    		Nordrum, F.S. ; Larsen, A.O. & Erambert, M. (2003): Minerals of the heulandite series in Norway- a progress report. Norsk Bergverksmuseum skrift 25: 51-62
            • Vinoren Silver Mine Field
              • Vinoren Southern Mines
    		Nordrum, F.S. ; Larsen, A.O. & Erambert, M. (2003): Minerals of the heulandite series in Norway- a progress report. Norsk Bergverksmuseum skrift 25: 51-62
      • Lier
        • Lierskogen
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
    Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
        • Sylling
    		Nordrum, F.S. ; Larsen, A.O. & Erambert, M. (2003): Minerals of the heulandite series in Norway- a progress report. Norsk Bergverksmuseum skrift 25: 51-62 [with analysis on heulandite-Ca]
      • Nedre Eiker
    		Nordrum, F.S. ; Larsen, A.O. & Erambert, M. (2003): Minerals of the heulandite series in Norway- a progress report. Norsk Bergverksmuseum skrift 25: 51-62
      • Øvre Eiker
    		Nordrum, F.S. ; Larsen, A.O. & Erambert, M. (2003): Minerals of the heulandite series in Norway- a progress report. Norsk Bergverksmuseum skrift 25: 51-62
    Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
    • Hedmark
      • Tynset
        • Kvikne
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
    • Hordaland
      • Osterøy
    		Nordrum, F. S. ; Larsen, A. O. & Erambert, M. (2003): Minerals of the heulandite series in Norway - a progress report. Norsk Bergverksmuseum skrift 25: 51-62
    • Nordland
      • Fauske
        • Sulitjelma
    		Nordrum, F. S. ; Larsen, A. O. & Erambert, M. (2003): Minerals of the heulandite series in Norway - a progress report. Norsk Bergverksmuseum skrift 25: 51-62
      • Grane
    		Nordrum, F. S. ; Larsen, A. O. & Erambert, M. (2003): Minerals of the heulandite series in Norway - a progress report. Norsk Bergverksmuseum skrift 25: 51-62
      • Sørfold
    		Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum, skrift 38, 5-28.
    • Oppland
      • Lom
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
      • Lunner
        • Øståsen - Hadeland
          • Surka
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112 [with analysis of heulandite-Ca from Surka]
      • Valdres
        • Øystre Slidre
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
      • Vang
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
    • Oslo
      • Grorud
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112 [with analysis of heulandite-Ca from Huken]
    • Sogn og Fjordane
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
      • Luster
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
    Nordrum, F. S. ; Larsen, A. O. & Erambert, M. (2003): Minerals of the heulandite series in Norway - a progress report. Norsk Bergverksmuseum skrift 25: 51-62
    • Sør-Trøndelag
      • Oppdal
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
        • Trollheimen Mts
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
      • Rennebu
    		Nordrum, F. S. ; Larsen, A. O. & Erambert, M. (2003): Minerals of the heulandite series in Norway - a progress report. Norsk Bergverksmuseum skrift 25: 51-62
    • Telemark
      • Kragerø
        • Valberg
    		Nordrum, F.S. ; Larsen, A.O. & Erambert, M. (2003): Minerals of the heulandite series in Norway- a progress report. Norsk Bergverksmuseum skrift 25: 51-62
      • Porsgrunn
        • Mørje
          • Sagåsen (Strandåsen)
    		Larsen, A.O., Åsheim, A. and Gault, R. A. (2005): Minerals of the eudialyte group from the Sagåsen larvikite quarry, Porsgrunn, Norway. Norsk Bergverksmuseum Skrifter 30: 58-62
    • Troms
      • Tromsø
        • Kvaløya
    		Nordrum, F.S. (2008): Nyfunn av mineraler i Norge 2007-2008. STEIN 35 (2), 8-20
    • Vestfold
      • Holmestrand
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
        • Botne
    		Nordrum, F.S., Larsen, A.O. & Erambert M. (2006): Minerals of the heulandite- and axinite series in Norway- additional data. Norsk Bergverksmuseum Skrift, 33: 27-34
      • Horten
        • Borre
          • Falkensten
    		Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
      • Larvik
        • Tjølling
          • Håkestad
    		Larsen, A. O. (2002): Zeolitter fra syenittpegmatittene i Oslofeltet. Bergverksmuseets Skrift 20, 60-65
    Larsen, A. O. (2002): Zeolitter fra syenittpegmatittene i Oslofeltet. Norsk Bergverksmuseums Skrift 20, 60-65
          • Klåstad
    		Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p.
          • Stålaker
    		Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p.
        • Tvedalen
    		Larsen, A. O. (2002): Zeolitter fra syenittpegmatittene i Oslofeltet. Bergverksmuseets Skrift 20, 60-65; Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p.
    Collection of Peter Andresen.
    Larsen, A. O. (2002): Zeolitter fra syenittpegmatittene i Oslofeltet. Bergverksmuseets Skrift 20, 60-65
      • Re
        • Helland
    		Nordrum, F. S. ; Larsen, A. O. & Erambert, M. (2003): Minerals of the heulandite series in Norway - a progress report. Norsk Bergverksmuseum skrift 25: 51-62 ; Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
    Nordrum, F. S., Larsen, A.O. & Erambert, M. (2005): Minerals of the heulandite series in Norway- additional data and summary. Norsk Bergverksmuseum Skrift, 30: 98-112
      • Sandefjord
        • Vesterøya
    		Nordrum, F.S. ; Larsen, A.O. & Erambert, M. (2003): Minerals of the heulandite series in Norway- a progress report. Norsk Bergverksmuseum skrift 25: 51-62
    Russia
     
    • 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
          • Lovozero Massif
            • Seidozero Lake
    		Yakovenchuk, V.N., Pakhomovsky, Ya.A., Men’shikov, Yu.P., Mikhailova, J.A., and Ivanyuk, G.Yu. (2007): Canadian Mineralogist 45, 451-456.
    • Western-Siberian Region
      • Prepolar Ural
        • Tyumenskaya Oblast'
          • Khanty-Mansi (Khanty Mansiysk) Okrug
            • Saranpaul
    		[MinRec 30:465]
    South Africa
     
    • KwaZulu-Natal Province
      • Durban
        • Umhlatuzana valley
    		Tschernich, R.W. (1992). Zeolites of the World. Geoscience Press Inc.: Phoenix; Cairncross, B. & Dixon, R. (1995). Minerals of South Africa. Geological Society of South Africa: Linden; Heron, H.D.C. New analyses performed in 2004.
    Switzerland
     
    • Bern
      • Hasli Valley
        • Grimsel area
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
    • Grischun (Grisons; Graubünden)
      • Bregaglia Valley (Bergell)
        • Forno Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 215.
        • Promontogno
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 215.
        • Soglio
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 215.
      • Misox (Mesolcina Valley)
        • Calanca Valley
          • Arvigo
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
      • Vorderrhein Valley
        • Trun
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
        • Tujetsch (Tavetsch)
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
          • Milà Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
          • Sedrun
    		Jahn, S. (2008): Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mienralien-Welt, 19 (3), 42-67.
          • Strem Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
    • Ticino (Tessin)
      • Leventina
        • Central St Gotthard Massif
          • Airolo
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
      • Maggia Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
    • Uri
      • Maderanertal
        • Etzli Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
      • Reuss Valley
        • Felli Valley
          • Schattig Wichel (Piz Giuv)
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
        • Rien Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
    • Wallis (Valais)
      • Binn Valley
        • Kriegalp Valley (Chriegalp Valley)
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
      • Goms
        • Fiesch
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.; American Mineralogist (1968), 53:1120-1138
      • Hérens Valley
        • Arolla Valley
          • Arolla
    		Stéphane Cuchet and Nicolas Meisser, Schweizer Strahler 1/2008, p.9-16
      • Lötschen valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
        • Lang glacier area
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 214.
    Tanzania
     
    • Arusha Region
      • Lelatema Mts
    		Mineralogical Record (2009) 40:347-408
    UK
     
    • England
      • Cornwall
        • St Just District
          • St Just
            • Botallack
              • Botallack Mine
    		J. Russell Socierty 2006, 68-71
    • Northern Ireland
      • Co. Down
        • Mourne Mts
          • Newcastle
    		Green, D.I., Bell, R. & Moreton, S. (2005) UK J. Mines & Minerals, No. 25, p.25-30.
    • Scotland
    		Brooke H J (1822) On the comptonite of Vesuvius, the brewsterite of Scotland, the stilbite and the heulandite, Edinburgh Philosophy Journal, 6, 112-115
    Ukraine
     
    • Crimea Oblast'
      • Crimea peninsula
        • Balaklava area
    		Dobrovolskaya T.I., Polkanov Y.A. The Paleovolcano Fiolent. Giude (2004) - Simferopol, 2004, 19 p. (in Russ.) Oleg V. Zinchenko at al. (2008).The mineralogy of seasonal sulfates in the cape Fiolent - Zapiski Ukrainskogo Mineralogichnogo Tovaristva (Proceeding Ukrainian Mineralogical Society), 2008, #5, p. 75-83 (in Ukr.)
    Tischenko A. data
      • Simferopol area
        • Lozovoye Village area
    		Tischenko Alexander
        • Ukrainka (Kurtsy) Village area
    		- Dvoichenko P.A. The minerals of Crimea (1914) - Zapiski Krymskogo obshchestva estestvoispytatelei (Proceeding of the Crimea Society of Naturalistes), 1914, vol. 4, p. 1-208 (Rus.) - Popov S.P. Mineralogy of the Crimea (1938). - M.-L., AN SSSR, 1938, 352 p. (Rus.)
    USA
     
    • Colorado
      • Jefferson Co.
        • Golden District
          • Golden
    		Rocks & Minerals 79:4
    Rocks & Minerals 79:4
    • Hawaii
      • Honolulu Co.
        • Oahu Island
    		Dunham, K.C. (1933) The American Mineralogist, 18, 369-385.
    • Idaho
      • Custer Co.
    		Rocks & Minerals (March, 2001)
    Idaho Minerals (2004) L. Ream 2nd ed
    • Michigan
      • Houghton Co.
        • Houghton
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    • New Jersey
      • Passaic Co.
        • Paterson
    		Rob Lavinsky photo
        • Prospect Park
    		http://rruff.info/index.php/r=sample_detail/sample_id=21/sample_search_id=ljmWWUIjwBmqgvPyDuhvjyWK
    • New York
      • New York City
        • Queens (Queens Co.)
          • Woodside
    		Jeff Weissman specimen
      • St. Lawrence Co.
        • Fine
    		Marian Lupulescu (2010) The Pegmatites of New York. The 37th Rochester Mineralogical Symposium, April 15-18, 2010
        • West Pierrepont
    		Chamberlain, Steve C., Walter, M., and Richards, R. P., 2011, Phlogopite Triplets from the Selleck Road Occurrence, West Pierrepont, St. Lawrence County, NY, 38th Rochester Mineralogical Symposium Progran and Abstracts, p. 14-15.
      • Westchester Co.
    		New York State Museum mineral collection; specimen number 438.6
    Leonard S.Wiener and Sigrid Ballew,1995, Updated by Kenny Gay,2006, A Listing Of North Carolina Minerals,Geologic Note No.4
      • Catawba Co.
        • Hickory
    		Kenny Gay - North Carolina Geological Survey
      • Guilford Co.
        • Jamestown
    		Kenny Gay - North Carolina Geological Survey
      • Rowan Co.
        • Woodleaf
    		Kenny Gay - North Carolina Geological Survey
    • Oregon
      • Clackamas Co.
        • Clackamas River Localities
    		Micro Probe Volume IX Number 3 Spring 2001
      • Jackson Co.
        • Lost Creek Reservoir
    		Phyllis Richardson
    Phyllis Richardson
    • Pennsylvania
      • Montgomery Co.
        • Lower Merion Township
    		Gordon, S.G. (1922) "The Mineralogy of Pennsylvania," Special Publication No. 1, The Academy of Natural Sciences of Philadelphia: p. 213.
    • Rhode Island
      • Providence Co.
        • Lincoln
          • Lime Rock
    		Michael W. Kieron collection
      • Washington Co.
        • Westerly
          • Bradford
    		Michael W. Kieron collection
    • Virginia
      • Fairfax Co.
    		ID'd by Tony Kampf, except the no-brainers: calcite and pyrite
      • Prince William Co.
        • Manassas
    		ID'd by Tony Kampf. I had listed them for the Manassas Quarry in Fairfax County, VA, a mistake.
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