Mindat Logo

Erionite-Na

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



Formula:
(Na
 
2
,K
 
2
,Ca)
 
2
[Al
 
4
Si
 
14
O
 
36
] · 15H
 
2
O
System:HexagonalColour:White
Lustre:VitreousHardness:3½ - 4
Member of:Zeolite Group
Name:From the Greek for wool, in allusion to its white, fibrous, wool-like appearance.


A zeolite difficult to distinguish from offrétite.

Classification of Erionite-Na

IMA status:Approved 1998
Strunz 8th edition ID:8/J.26-90
Nickel-Strunz 10th (pending) edition ID:9.GD.20

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
D : Chains of 6-membered rings – tabular zeolites
mindat.org URL:http://www.mindat.org/min-6917.html
Please feel free to link to this page.

Type Occurrence of Erionite-Na

Type Locality:Cady Mts, San Bernardino Co., California, USA

Physical Properties of Erionite-Na

Lustre:Vitreous
Colour:White
Streak:White
Hardness (Mohs):3½ - 4

Crystallography of Erionite-Na

Crystal System:Hexagonal
Class (H-M):6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:P63/mmc {P63/m 2/m 2/c}
Cell Parameters:a = 13.15Å, c = 15.05Å
Ratio:a:c = 1 : 1.144
Unit Cell Volume:V 2,253.82 ų (Calculated from Unit Cell)

Optical Data of Erionite-Na

Type:Uniaxial (+)
RI values: nω = 1.471 nε = 1.474
Maximum Birefringence:δ = 0.003

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

Chemical Properties of Erionite-Na

Formula:
(Na
 
2
,K
 
2
,Ca)
 
2
[Al
 
4
Si
 
14
O
 
36
] · 15H
 
2
O
Essential elements:Al, H, Na, O, Si
All elements listed in formula:Al, Ca, H, K, Na, O, Si

Relationship of Erionite-Na 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
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
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-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
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
Related Minerals - Nickel-Strunz Grouping):

- +
9.GD.05Gmelinite-Ca
(Ca,Na
 
2
)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
9.GD.05Gmelinite-K
(K
 
2
,Na
 
2
,Ca)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
9.GD.05Gmelinite-Na
(Na
 
2
,Ca)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
9.GD.10Willhendersonite
KCa[Al
 
3
Si
 
3
O
 
12
] · 5H
 
2
O
9.GD.10Chabazite-Ca
(Ca,K
 
2
,Na
 
2
)
 
2
[Al
 
2
Si
 
4
O
 
12
]
 
2
· 12H
 
2
O
9.GD.10Chabazite-K
(K
 
2
,Ca,Na
 
2
,Sr,Mg)
 
2
[Al
 
2
Si
 
4
O
 
12
]
 
2
· 12H
 
2
O
9.GD.10Chabazite-Na
(Na
 
2
,K
 
2
,Ca,Sr,Mg)
 
2
[Al
 
2
Si
 
4
O
 
12
]
 
2
· 12H
 
2
O
9.GD.10Chabazite-Sr
Sr
 
2
[Al
 
2
Si
 
4
O
 
12
]
 
2
· 12H
 
2
O
9.GD.15Lévyne-Ca
(Ca,Na
 
2
,K
 
2
)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
9.GD.15Lévyne-Na
(Na
 
2
,Ca,K
 
2
)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
9.GD.20Bellbergite
(K,Ba,Sr)
 
2
Sr
 
2
Ca
 
2
(Ca,Na)
 
4
[Al
 
3
Si
 
3
O
 
12
]
 
6
· 30H
 
2
O
9.GD.20Erionite-Ca
(Ca,K
 
2
,Na
 
2
)
 
2
[Al
 
4
Si
 
14
O
 
36
] · 15H
 
2
O
9.GD.20Erionite-K
(K
 
2
,Ca,Na
 
2
)
 
2
[Al
 
4
Si
 
14
O
 
36
] · 15H
 
2
O
9.GD.25Offretite
KCaMgAl
 
5
Si
 
13
O
 
36
· 16H
 
2
O or near
9.GD.25Wenkite
(Ba,K)
 
4
(Ca,Na)
 
6
[(SO
 
4
)
 
3
|(Si,Al)
 
20
O
 
39
(OH)
 
2
] · 0.5H
 
2
O
9.GD.30Faujasite-Ca
(Ca,Na
 
2
,Mg)
 
3.5
[Al
 
7
Si
 
17
O
 
48
] · 32H
 
2
O
9.GD.30Faujasite-Mg
(Mg,Na
 
2
,Ca)
 
3.5
[Al
 
7
Si
 
17
O
 
48
] · 32H
 
2
O
9.GD.30Faujasite-Na
(Na
 
2
,Ca,Mg)
 
3.5
[Al
 
7
Si
 
17
O
 
48
] · 32H
 
2
O
9.GD.35Maricopaite
Pb
 
7
Ca
 
2
(Si,Al)
 
48
O
 
100
· 32H
 
2
O
9.GD.35Mordenite
(Na
 
2
,Ca,K
 
2
)Al
 
2
Si
 
10
O
 
24
· 7H
 
2
O
9.GD.40Dachiardite-Ca
(Ca,Na
 
2
,K
 
2
)
 
5
Al
 
10
Si
 
38
O
 
96
· 25H
 
2
O
9.GD.40Dachiardite-Na
(Na
 
2
,Ca,K
 
2
)
 
5
Al
 
10
Si
 
38
O
 
96
· 25H
 
2
O
9.GD.45Epistilbite
CaAl
 
2
Si
 
6
O
 
16
· 5H
 
2
O
9.GD.50Ferrierite-K
(K
 
2
,Na
 
2
,Mg,Ca)
 
3-5
Mg[Al
 
5-7
Si
 
27.5-31
O
 
72
] · 18H
 
2
O
9.GD.50Ferrierite-Mg
(Mg,Na
 
2
,K
 
2
,Ca)
 
3-5
Mg[Al
 
5-7
Si
 
27.5-31
O
 
72
] · 18H
 
2
O
9.GD.50Ferrierite-Na
(Na
 
2
,K
 
2
,Mg,Ca)
 
3-5
Mg[Al
 
5-7
Si
 
27.5-31
O
 
72
] · 18H
 
2
O
9.GD.55Bikitaite
LiAlSi
 
2
O
 
6
· H
 
2
O

Other Names for Erionite-Na

Other Languages:
Russian:Эрионит-Na

Other Information

Health Warning:Carcinogenic upon inhalation of its dust, due to its fibrous structure (Ref.: IARC Monography 42:225-239, 1987)

References for Erionite-Na

Reference List:

- +
Sheppard, R.A. and Gude, A.J. (1969b) Chemical composition and physical properties of the related zeolites offretite and erionite. American Mineralogist: 54: 875-886.

Gualtieri, A., G. Artioli, E. Passaglia, S. Bigi, A. Viani, and J.C. Hanson (1998): Crystal structure-crystal chemistry relationships in the zeolites erionite and offretite American Mineralogist: 83, 590-606.

Passaglia, E., G. Artioli, and A. Gualtieri (1998): Crystal chemistry of the zeolites erionite and offretite American Mineralogis: 83, 577-589.

European Journal of Mineralogy: 10 (1998), 1037.

Internet Links for Erionite-Na

Search Engines:
  • Look for Erionite-Na on Google
  • Look for Erionite-Na images on Google
  • External Links:
  • Look for Erionite-Na on Webmineral
  • Look for Erionite-Na on Athena Mineralogy
  • Look for Erionite-Na on Wikipedia
  • Look for Erionite-Na on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • Search for minerals at Heliodor
  • Search for - Erionite-Na - on e-Rocks Mineral Sales & Auctions
  • The Arkenstone - Fine Minerals
  • rare and unusual minerals mainly crystallized
  • Buy from David K Joyce minerals
  • webminerals
  • Fine Minerals from Weinrich Minerals, Inc.
  • Erionite-Na specimens for sale - minfind.com
  • Buy fine minerals and gemstones from Pala International
  • Fabre Minerals - search for Erionite-Na specimens
  • SpiriferMinerals.com - high quality low prices
  • Rare and Unusual minerals at Mineralogical Research Company
  • Jobs:
  • Mining & Geology Jobs
  • Localities for Erionite-Na

    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
      • Terra Nova Bay
    Dogan,Umran and Dogan,Meral (2008) Re-evaluation and re-classification of erionite series minerals:Environ Geochem Health 30:355-366
      • Victoria Land
    Dogan,Umran and Dogan,Meral (2008) Re-evaluation and re-classification of erionite series minerals:Environ Geochem Health 30:355-366
    Australia
     
    • Victoria
      • Flinders
    Dogan,Umran and Dogan,Meral (2008) Re-evaluation and re-classification of erionite series minerals,Environ Geochem Health 30:355-366
    Dogan,Umran and Dogan, Meral (2008) RE-evaluation and re-classification of erionite series minerals,Environ Geochem Health 30:355-366
    Italy
     
    • Veneto
      • Vicenza Province
        • Montecchio Maggiore
          • San Pietro
    Passaglia E., Artioli G., Gualtieri A. - Crystal chemistry of zeolites erionite and offretite. Amer. Mineral. (1998), Vol. 83, pp. 577-589.
    Japan
     
    • Kyushu Region
      • Nagasaki Prefecture
        • Iki Island
    M. Shimazu & T. Mizota, J. Japan. assoc. Min. Petr. Econ. Geol. 67:418-424 (1972)
    Tanzania
     
    • Arusha Region
    Dogan,Umran and Dogan,Meral(2008) Re-evaluation and re-classification of erionite series minerals,Environ Geochem Health 30:355-366
    Turkey
     
    • Central Anatolia Region
      • Nevşehir Province
    Dogan,Umran and Dogan,Meral (2008) Re-evaluation and re-classification of erionite series minerals,Environ Geochem Health 30:355-366
    UK
     
    • Northern Ireland
      • Co. Antrim
        • Giant's Causeway
    Passaglia E., Artioli G. and Gualtieri A. (1998): Crystal chemistry of the zeolites erionite and offretite. American Mineralogist 83, 577-589; Jaroslaw Skupiewski.RRUFF database-specimen I.D R061126
    USA
     
    • California
      • San Bernardino Co.
    Am.Min. 83 (1998), 577
    • North Dakota
      • Dunn Co.
    USGS Open File report 10-1286
    • Oregon
      • Baker Co.
        • Durkee
    A. Eakle (1898)
      • Malheur Co.
    Dogan,Umran and Dogan,Meral (2008) Re-evaluation and re-classification of erionite series minerals, Environ Geochem Health 30:355-366
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2012. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 29th Jul 2012 18:49:16
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds