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Saponite

Big Photo

Laurium Mine, Laurium, Houghton Co., Michigan, USA
© Elmar Lackner

Show Saponite Photos (20)
Formula:
Ca
 
0.25
(Mg,Fe)
 
3
(Si,Al)
 
4
O
 
10
(OH)
 
2
·nH
 
2
O
System:MonoclinicColour:White, gray-green, ...
Hardness:1½ - 2
Name:From Latin, sap, soap, alluding to its greasy or soapy feel and appearance.


Smectite Group.
Beidellite-Saponite Series.
See also the Fe-dominant end-member ferrosaponite.

Classification of Saponite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/H.20-20
Nickel-Strunz 10th (pending) edition ID:9.EC.45

9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
Dana 8th edition ID:71.3.1b.2

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
3 : Sheets of 6-membered rings with 2:1 clays
Hey's CIM Ref.:16.7.7

16 : Silicates Containing Aluminum and other Metals
7 : Aluminosilicates of Mg
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Type Occurrence of Saponite

Type Locality:Lizard Point, Landewednack, Lizard Peninsula, Cornwall, England, UK
Year of Discovery:1840

Physical Properties of Saponite

Lustre:Greasy, Dull
Colour:White, gray-green, bluish, yellow
Hardness (Mohs):1½ - 2

Crystallography of Saponite

Crystal System:Monoclinic
Cell Parameters:a = 5.3Å, b = 9.14Å, c = 16.9Å
β = 97°
Ratio:a:b:c = 0.58 : 1 : 1.849
Unit Cell Volume:V 812.57 ų (Calculated from Unit Cell)

Optical Data of Saponite

Type:Biaxial (-)
RI values: nα = 1.479 - 1.490 nβ = 1.510 - 1.525 nγ = 1.511 - 1.527
2V:Calculated: 20° to 26°
Maximum Birefringence:δ = 0.032 - 0.037

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 Saponite

Formula:
Ca
 
0.25
(Mg,Fe)
 
3
(Si,Al)
 
4
O
 
10
(OH)
 
2
·nH
 
2
O
Essential elements:Ca, H, Mg, O, Si
All elements listed in formula:Al, Ca, Fe, H, Mg, O, Si
Common Impurities:Ti,Mn,Ni,K,P

Relationship of Saponite to other Species

Series:Forms a series with Beidellite (see here)
Member of:Smectite Group
Related Minerals - Nickel-Strunz Grouping):

- +
9.EC.05Minnesotaite
(Fe,Mg)
 
3
Si
 
4
O
 
10
(OH)
 
2
9.EC.05Talc
Mg
 
3
Si
 
4
O
 
10
(OH)
 
2
9.EC.05Willemseite
(Ni,Mg)
 
3
Si
 
4
O
 
10
(OH)
 
2
9.EC.10Ferripyrophyllite
Fe
 
2
Si
 
4
O
 
10
(OH)
 
2
9.EC.10Pyrophyllite
Al
 
2
Si
 
4
O
 
10
(OH)
 
2
9.EC.15Boromuscovite
KAl
 
2
[(OH)
 
2
|BSi
 
3
O
 
10
]
9.EC.15Celadonite
K(Mg,Fe
2+
 
)(Fe
3+
 
,Al)[(OH)
 
2
|Si
 
4
O
 
10
]
9.EC.15Chernykhite
(Ba,Na)(V
3+
 
,Al,Mg)
 
2
[(OH)
 
2
|(Si,Al)
 
4
O
 
10
]
9.EC.15Montdorite
(K,Na)
 
2
(Fe
2+
 
,Mn
2+
 
,Mg)
 
5
[(OH,F)
 
2
|Si
 
4
O
 
10
]
 
2
9.EC.15Muscovite
KAl
 
2
[(OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.15Nanpingite
CsAl
 
2
[(OH,F)
 
2
|AlSi
 
3
O
 
10
]
9.EC.15Paragonite
NaAl
 
2
[(OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.15Roscoelite
K(V,Al)
 
2
[(OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.15Tobelite
(NH
 
4
,K)Al
 
2
[(OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.15Aluminoceladonite
K(Mg,Fe
2+
 
)(Al,Fe
3+
 
)[(OH)
 
2
|Si
 
4
O
 
10
]
9.EC.15Chromphyllite
K(Cr,Al)
 
2
[(OH,F)
 
2
|AlSi
 
3
O
 
10
]
9.EC.15Ferro-aluminoceladonite
K(Fe
2+
 
,Mg)(Al,Fe
3+
 
)[(OH)
 
2
|Si
 
4
O
 
10
]
9.EC.15Ferroceladonite
K(Fe
2+
 
,Mg)(Fe
3+
 
,Al)[(OH)
 
2
|Si
 
4
O
 
10
]
9.EC.15Chromceladonite
K(Mg,Fe
2+
 
)(Cr,Al)[(OH)
 
2
|Si
 
4
O
 
10
]
9.EC.15Tainiolite
KLiMg
 
2
[F
 
2
|Si
 
4
O
 
10
]
9.EC.15Ganterite
(Ba,Na,K)(Al,Mg)
 
2
[(OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.20Annite
KFe
2+
3
[(OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.20Ephesite
NaLiAl
 
2
[(OH)
 
2
|Al
 
2
Si
 
2
O
 
10
]
9.EC.20Hendricksite
K(Zn,Mg,Mn
2+
 
)
 
3
[(OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.20Masutomilite
(K,Rb)(Li,Mn
3+
 
,Al)
 
3
[(F,OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.20Norrishite
KLiMn
2+
2
[(OH)
 
2
|Si
 
4
O
 
10
]
9.EC.20Phlogopite
KMg
 
3
[(OH,F)
 
2
|AlSi
 
3
O
 
10
]
9.EC.20Polylithionite
KLi
 
2
Al[(F,OH)
 
2
|Si
 
4
O
 
10
]
9.EC.20Preiswerkite
NaMg
 
2
Al[(OH)
 
2
|Al
 
2
Si
 
2
O
 
10
]
9.EC.20Siderophyllite
KFe
2+
2
Al[Al
 
2
Si
 
2
O
 
10
](OH)
 
2
9.EC.20Tetra-ferriphlogopite
KMg
 
3
[(OH,F)
 
2
|(Fe
3+
 
,Al)Si
 
3
O
 
10
]
9.EC.20Wonesite
(Na,K)(Mg,fe,Al)
 
6
(Al,Si)
 
8
O
 
20
(OH,F)
 
4
9.EC.20Zinnwaldite
KLiFe
2+
 
Al[(F,OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.20Eastonite
KMg
 
2
Al[(OH)
 
2
|Al
 
2
Si
 
2
O
 
10
]
9.EC.20Tetraferriannite
KFe
2+
3
[(OH)
 
2
|(Fe
3+
 
,Al)Si
 
3
O
 
10
]
9.EC.20Trilithionite
K(Li,Al)
 
3
[(F,OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.20Fluorannite
KFe
2+
3
[(F,OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.20Shirokshinite
KNaMg
 
2
[F
 
2
|Si
 
4
O
 
10
]
9.EC.20Shirozulite
K(Mn
2+
 
,Mg)
 
3
[(OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.20Sokolovaite
CsLi
 
2
AlSi
 
4
O
 
10
F
 
2
9.EC.20Aspidolite
NaMg
 
3
[(OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.20Fluorophlogopite
KMg
 
3
[(F,OH)
 
2
|AlSi
 
3
O
 
10
]
9.EC.20UM2004-49-SiO:AlCsFHKLi
(Cs,K)(Al,Li)
 
2.6
[(Si,Al)
 
4
O
 
10
](F,OH)
 
2
9.EC.20Suhailite
(NH
 
4
)Fe
 
3
(Si
 
3
Al)O
 
10
(OH)
 
2
9.EC.20IMA2009-017
KMg
 
2.5
[Si
 
4
O
 
10
]F
 
2
9.EC.20IMA2009-006
KLi
 
2
TiSi
 
4
O
 
11
F
9.EC.25Brammallite
Na
 
0.65
Al
 
2.0
ٱAl
 
0.65
Si
 
3.35
O
 
10
(OH)
 
2
9.EC.30Margarite
CaAl
 
2
[(OH)
 
2
|Al
 
2
Si
 
2
O
 
10
]
9.EC.35Anandite
(Ba,K)(Fe
2+
 
,Mg)
 
3
[(O,OH)
 
2
|(Si,Al,Fe)
 
4
O
 
10
]
9.EC.35Bityite
CaLiAl
 
2
[(OH)
 
2
|BeAlSi
 
2
O
 
10
]
9.EC.35Clintonite
Ca(Mg,Al)
 
3
[(OH)
 
2
|Al
 
3
SiO
 
10
]
9.EC.35Kinoshitalite
(Ba,K)(Mg,Mn
2+
 
,Al)
 
3
[(OH)
 
2
|Al
 
2
Si
 
2
O
 
10
]
9.EC.35Ferrokinoshitalite
(Ba,K)(Fe
2+
 
,Mg)
 
3
[(OH,F)
 
2
|Al
 
2
Si
 
2
O
 
10
]
9.EC.35Oxykinoshitalite
(Ba,K)(Mg,Ti,Fe
3+
 
,Fe
2+
 
)
 
3
[(O,OH,F)
 
2
|(Si,Al)
 
4
O
 
10
]
9.EC.40Beidellite
(Na,Ca
 
0.5
)
 
0.3
Al
 
2
(Si,Al)
 
4
O
 
10
(OH)
 
2
·nH
 
2
O
9.EC.40Kurumsakite
(Zn,Ni,Cu)
 
8
Al
 
8
V
 
2
Si
 
5
O
 
35
·27H
 
2
O (or near)
9.EC.40Montmorillonite
(Na,Ca)
 
0.33
(Al,Mg)
 
2
Si
 
4
O
 
10
(OH)
 
2
·nH
 
2
O
9.EC.40Nontronite
Na
 
0.3
Fe
 
2
(Si,Al)
 
4
O
 
10
(OH)
 
2
·nH
 
2
O
9.EC.40Volkonskoite
Ca
 
0.3
(Cr,Mg,Fe)
 
2
(Si,Al)
 
4
O
 
10
(OH)
 
2
·4H
 
2
O
9.EC.40Yakhontovite
(Ca,Na)
 
0.5
(Cu,Fe,Mg)
 
2
Si
 
4
O
 
10
(OH)
 
2
·3H
 
2
O
9.EC.40Smectite
9.EC.45Hectorite
Na
 
0.3
(Mg,Li)
 
3
Si
 
4
O
 
10
(F,OH)
 
2
9.EC.45Sauconite
Na
 
0.3
Zn
 
3
(Si,Al)
 
4
O
 
10
(OH)
 
2
·4H
 
2
O
9.EC.45Spadaite
MgSiO
 
2
(OH)
 
2
·H
 
2
O
9.EC.45Stevensite
(Ca,Na)
 
x
Mg
 
3
Si
 
4
O
 
10
(OH)
 
2
9.EC.45Swinefordite
Li(Al,Li,Mg)
 
4
(Si,Al)
 
8
O
 
20
,(OH,F)
 
4
·xH
 
2
O
9.EC.45Zincsilite
Zn
 
3
Si
 
4
O
 
10
(OH)
 
2
·4H
 
2
O
9.EC.45Ferrosaponite
Ca
 
0.3
(Fe
2+
 
,Mg,Fe
3+
 
)
 
3
(Si,Al)
 
4
O
 
10
(OH)
 
2
·4H
 
2
O
9.EC.50Vermiculite
(Mg,Fe,Al)
 
3
(Al,Si)
 
4
O
 
10
(OH)
 
2
·4H
 
2
O
9.EC.55Baileychlore
(Zn,Fe,Al,Mg)
 
6
(Si,Al)
 
4
O
 
10
(OH)
 
8
9.EC.55Chamosite
(Fe
2+
 
,Mg)
 
5
Al[(OH)
 
8
|AlSi
 
3
O
 
10
]
9.EC.55Clinochlore
(Mg,Fe
2+
 
)
 
5
Al[(OH)
 
8
|AlSi
 
3
O
 
10
]
9.EC.55Cookeite
LiAl
 
4
(Si
 
3
Al)O
 
10
(OH)
 
8
9.EC.55Franklinfurnaceite
Ca
 
2
FeMn
 
3
MnZn
 
2
Si
 
2
O
 
10
(OH)
 
8
9.EC.55Gonyerite
(Mn,Mg)
 
5
Fe(Si
 
3
Fe)O
 
10
(OH)
 
8
9.EC.55Nimite
(Ni,Mg,Al)
 
6
(Si,Al)
 
4
O
 
10
(OH)
 
8
9.EC.55Orthochamosite
(Fe,Mg,Fe)
 
5
Al(Si
 
3
Al)O
 
10
(OH,O)
 
8
9.EC.55Pennantite
(Mn
 
5
Al)(Si
 
3
Al)O
 
10
(OH)
 
8
9.EC.55Sudoite
(Mg,Fe
2+
 
)
 
2
Al
 
3
[(OH)
 
8
|AlSi
 
3
O
 
10
]
9.EC.55Donbassite
Al
 
2
[Al
 
2.33
][Si
 
3
AlO
 
10
](OH)
 
8
9.EC.55Glagolevite
Na(Mg,Al)
 
6
[(OH,O)
 
8
|AlSi
 
3
O
 
10
]
9.EC.55Borocookeite
Li
 
1+3x
Al
 
4-x
[(BSi
 
3
)O
 
10
](OH)
 
8
 [0.00 <= x <=0.33]
9.EC.60Aliettite
Ca
 
0.2
Mg
 
6
(Si,Al)
 
8
O
 
20
(OH)
 
4
·4H
 
2
O
9.EC.60Corrensite
(Mg,Fe)
 
9
(Si,Al)
 
8
O
 
20
(OH)
 
10
·nH
 
2
O
9.EC.60Dozyite
Mg
 
7
Al
 
2
[(OH)
 
12
|Al
 
2
Si
 
4
O
 
15
]
9.EC.60Hydrobiotite
9.EC.60Karpinskite
(Ni,Mg)
 
2
Si
 
2
O
 
5
(OH)
 
2
9.EC.60Kulkeite
Mg
 
8
Al(AlSi
 
7
)O
 
20
(OH)
 
10
9.EC.60Lunijianlaite
Li
 
0.7
Al
 
6.2
(Si
 
7
AlO
 
20
)(OH,O)
 
10
9.EC.60Rectorite
(Na,Ca)Al
 
4
(Si,Al)
 
8
O
 
20
(OH)
 
4
·2H
 
2
O
9.EC.60Saliotite
Li
 
0.5
Na
 
0.5
Al
 
3
Si
 
3
AlO
 
10
(OH)
 
5
9.EC.60Tosudite
9.EC.60Brinrobertsite
Na
 
0.3
Al
 
4
[(OH)
 
2
|Si
 
4
O
 
10
]
 
2
 · 3.5 H
 
2
O
9.EC.65Macaulayite
(Fe,Al)
 
24
Si
 
4
O
 
43
(OH)
 
2
9.EC.70Burckhardtite
Pb
 
2
(Fe,Mn)AlTeO
 
2
Si
 
3
O
 
10
(OH)
 
2
·H
 
2
O
9.EC.75Ferrisurite
(Pb,Ca)
 
2-3
(CO
 
3
)
 
1.5-2
(OH,F)
 
0.5-1
[(Fe,Al)
 
2
Si
 
4
O
 
10
(OH)
 
2
]·nH
 
2
O
9.EC.75Surite
Pb(Pb,Ca)(CO
 
3
)
 
2
(Al,Fe,Mg)
 
2
(Si,Al)
 
4
O
 
10
(OH)
 
2
9.EC.75Niksergievite
(Ba,Ca)
 
2
(Al,Si)
 
7
O
 
10
(CO
 
3
)(OH)
 
6
·nH
 
2
O
9.EC.80Kegelite
Pb
 
12
(Zn,Fe)
 
2
Al
 
4
(SO
 
4
)
 
4
Si
 
11
O
 
38
 or near
Related Minerals - Hey's Index Grouping:

- +
16.7.1Pyrope
Mg
 
3
Al
 
2
[SiO
 
4
]
 
3
16.7.2Sapphirine
(Mg,Fe)
 
4-x
Al
 
4+x
[Al
 
4+x
Si
 
2-x
O
 
18
]O
 
2
16.7.3Sapphirine-1A
(Mg,Al,Fe
2+
 
)
 
8
[(Al,Si,Fe
3+
 
)
 
6
O
 
18
]O
 
2
16.7.4Magnesiochloritoid
MgAl
 
2
[O|(OH)
 
2
|SiO
 
4
]
16.7.5Kulkeite
Mg
 
8
Al(AlSi
 
7
)O
 
20
(OH)
 
10
16.7.6Palygorskite
(Mg,Al)
 
5
(Si,Al)
 
8
O
 
20
(OH)
 
2
·8H
 
2
O
16.7.8Aliettite
Ca
 
0.2
Mg
 
6
(Si,Al)
 
8
O
 
20
(OH)
 
4
·4H
 
2
O
16.7.9Montmorillonite
(Na,Ca)
 
0.33
(Al,Mg)
 
2
Si
 
4
O
 
10
(OH)
 
2
·nH
 
2
O
16.7.10Baumite
(Mg,Al,Mn,Zn,Fe)
 
3
(Si,Al)
 
2
O
 
5
(OH)
 
4

Other Names for Saponite

Synonyms:
AuxiteCathkiniteLicianiteLucianitePiotine
Other Languages:
German:Afrodit
Auxit
Cathkinit
Licianit
Lucianit
Saponit
Spanish:Auxita
Cathkinita
Licianita
Lucianita
Saponita
Varieties:
Aluminium-saponiteBowlingiteCuprian SaponiteFerroan SaponiteSobotkite

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 Saponite

Reference List:Journal of the Mineral Society of Japan (1971): 6: 299-312.

Internet Links for Saponite

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  • Raman and XRD data at RRUFF project
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    Localities for Saponite

    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.
    (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.
    		England, B. M. (1996): Zeolites and associated minerals from Borambil, New South Wales, Australia. Austral. J. Mineral. 2, 11-20.
    England, B. M. (2002): Zeolites and associated minerals from the Krui Valley, Merriwa, New South Wales. Austral. J. Mineral. 8, 61-71.
      • Pottinger Co.
        • Coonabarabran district
    		Min Rec (1988) 19:389-406
    • Queensland
    		Vic Cloete.
    • South Australia
      • Mt Lofty Ranges
        • South Mt Lofty Ranges
          • Barossa Valley
            • Angaston
    • Tasmania
      • Hampshire district
        • Guilford
    		Ref: FL Sutherland & RS Bottrill (2004) Zeolites of western Tasmania. Australian Jornal of Mineralogy 10:2 pp 59-72
      • Heazlewood district
    		Anderson, P., Bottrill, R. & Davidson, P. (2002): Famous mineral localities: The Lord Brassey mine, Tasmania. Mineralogical Record 33, 321-332
      • Marrawah district
        • Redpa
    		http://www.crocoite.com/locationbulletins/part1/zeolites.pdf
      • Moina District (Middlesex District)
        • Middlesex Plains
    		Ref: FL Sutherland & RS Bottrill (2004) Zeolites of western Tasmania. Australian Jornal of Mineralogy 10:2 pp 59-72
      • Penguin
    		Ref: FL Sutherland & RS Bottrill (2004) Zeolites of western Tasmania. Australian Jornal of Mineralogy 10:2 pp 59-72
      • Table Cape
    		Ref: FL Sutherland & RS Bottrill (2004) Zeolites of western Tasmania. Australian Jornal of Mineralogy 10:2 pp 59-72
    Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
    Austria
     
    • Carinthia
      • Lavant valley
        • St Paul
          • Kollnitz
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    • Lower Austria
      • Waldviertel
        • Drosendorf
          • Geras
    		Niedermayr, G. (1990): Eine bemerkenswerte Zeolithparagenese aus einem Serpentinitsteinbruch bei Pingendorf in Niederösterreich. Mineralien-Welt, 1 (2), 31-34.
    • Styria
      • Bad Radkersburg
        • Klöch
    		Taucher, J. et al. (1989)
      • Graz
        • Wildon
          • Weitendorf
    		Aufschluss 1972(SB), 76-79
      • Leoben
    		Aufschluss 1972(SB), 80-83
    Bolivia
     
    • Potosí Department
      • Sud Lípez Province
        • San Antonio de Lípez
    		Salomon Rivas y Federico Ahlfeld (1998) Los Minerales de Bolivia y sus Parajes. (Santa Cruz)
    Brazil
     
    • South Region
      • Paraná
        • Foz do Iguaçu
    		Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)
    • Southeast Region
      • São Paulo
        • São Paulo
    Canada
     
    • British Columbia
      • Vernon Mining Division
        • Vernon
    		www.em.gov.bc.ca/cf/minfile
    • Ontario
      • Thunder Bay District
        • Rabbit Mountain
    		Willet Miller (1905) Sessional Papers (Mines Report) By Ontario. Legislative Assembly (11th Session)
    • Québec
      • Mégantic Co.
    		[www.johnbetts-fineminerals.com]
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		No reference listed
      • Montréal
    		Mineralogical Record (2006): 37: 5-60.
    • Yukon Territory
      • Whitehorse Mining District
        • Carcross
          • Tagish Lake
    		Lunar and Planetary Science XXXII (2001)
    Chile
     
    • Arica and Parinacota Region
      • Arica Province
        • Los Camarones
    		[var: Sobotkite] Howard Minerals specimens, April 1984; Diederik Visser photo.
    China
     
    • Shaanxi Province
      • Hanzhong Prefecture
        • Ningqiang Co.
          • Western Qinling gold belt
            • Jianchaling Mine
    		Vielreicher, R.M., Vielreicher, N.M., Hagemann, S.G., and Jones, G. (2003): Mineralium Deposita 38, 538-554
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
        • Čáslav (Tschaslau)
    		Litochleb, J.: Markovice a Horky u Čáslavi – klasické lokality zeolitů v alpských žilách. Minerál, 1996, roč. 4, č. 2, s. 98-100.
      • Hradec Králové Region
        • Jičín (Jitschin; Gitschin)
    		Pauliš, P.: Nejzajímavější mineralogická naleziště Čech. Kutná Hora: Kuttna, 2000, s. 61.
      • Liberec Region
    		Pauliš, P.: Nejzajímavější mineralogická naleziště Čech. Kutná Hora: Kuttna, 2000, s. 57-58.
      • South Bohemia Region
        • České Budějovice (Budweis)
    		Welser, P.: Minerály pegmatitů a alpské parageneze z Rudolfova u Českých Budějovic. Bulletin Mineralogicko-petrografického oddělení Národního muzea v Praze, 2002, roč. 10, s. 293-297.
      • Ústí Region
        • Ústí nad Labem (Aussig)
          • Krásné Březno
    		Melka, K. et al.: Celadonite and saponite nodules from Tertiary volcanic breccia of Račí vrch Hill, České středohoří Mts. Acta Universitatis Carolinae – Geologica, 2000, vol. 44, nos. 2-4, pp. 109-116.
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Havlíčkův Brod
    		Pauliš, P.: Nejzajímavější mineralogická naleziště Čech II. Kutná Hora: Kuttna, 2003, s. 96 - 98.
    Houzar, S.: Přehled minerálů amfibolitového lomu v Mirošově (západní Morava), Minerál, 1999, roč. 7, č. 4, s. 294-296.
        • Žďár nad Sázavou
          • Pernštejn
    		Petr Pauliš (2001): Nejzajímavější mineralogická naleziště Moravy a Slezska. Kuttna, Kutná Hora.
    France
     
    • Rhône-Alpes
      • Ardèche
        • Villeneuve-de-Berg
          • Mirabel
    		Ch. Robert, B. Goffé and P. Saliot : "Zeolitization of a basaltic flow in a continental environment : an example of mass transfer under thermal control", Bull. Minéral., 1988, 111, pp. 207-223.
    Ch. Robert, B. Goffé and P. Saliot : "Zeolitization of a basaltic flow in a continental environment : an example of mass transfer under thermal control", Bull. Minéral., 1988, 111, pp. 207-223.
          • Saint-Jean-le-Centenier
    		E. Passaglia et al. , Bull. Minéral. , 1985, 108, pp. 719-724. see also : http://membres.lycos.fr/volcanogeol/prismation/sites_france.htm
    Germany
     
    • Baden-Württemberg
      • Black Forest
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    • Bavaria
      • Franconia
        • Fichtelgebirge
          • Marktredwitz
            • Pechbrunn
    		Weiss: "Mineralfundstellen, Deutschland West", 1990
        • Maroldsweisach
    		Wittern: "Mineralfundorte in Deutschland", 2001
        • Spessart Mts
          • Aschaffenburg
            • Dörrmorsbach
    		A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
      • 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.
      • Upper Palatinate
        • Nittenau
          • Roßbach
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
        • Oberpfälzer Wald
          • Mitterteich
            • Wiesau
    		Weiss: "Mineralfundstellen, Deutschland West", 1990
    • Hesse
      • Vogelsberg
        • Ortenberg
    • Lower Saxony
      • Harz Mts
        • St Andreasberg District
    		No reference listed
    • Rhineland-Palatinate
      • Eifel Mts
        • Gerolstein
          • Birresborn
    		Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag, München (2. Auflage), 1987
        • Niederzissen
          • Hannebach
    		Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag, München (2. Auflage), 1987
          • Wassenach
    		Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag, München (2. Auflage), 1987
    • Saarland
      • St Wendel
        • Walhausen
    		D.F. Mertz et al. : "Isotopic dating of adularia-bearing epigenetic mineralizations : I. Saar-Nahe region/Southwest Germany", Eur. J. Mineral, 1990, 2, pp. 89-102..
    • Saxony
      • Erzgebirge
        • Schwarzenberg District
          • Langenberg
    		Schüller, A., Köhler, R., and Reh, H. (1950): Contributions to Mineralogy and Petrology 2(4), 279-290.
    Greece
     
    • Aegean Islands (Aiyaíon) Department
      • Kykládes Prefecture
        • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
          • Tinos Island
            • Panormos Bay
    		Gunnar Farber specimens
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Agios Konstantinos [St Constantine] (Kamariza)
    		No reference listed
          • Plaka
            • Plaka Mines
    		No reference listed
    No reference listed
    Hungary
     
    • Borsod-Abaúj-Zemplén Co.
      • Zempléni Mts.
        • Erdőbénye
    • Fejér Co.
      • Szár Hill
        • Kőszárhegy
    		Szakáll & Jánosi: Minerals of Hungary, 1995
    • Heves Co.
      • Mátra Mts.
        • Gyöngyösoroszi
    		Koch: Minerals of Hungary, 1985
        • Kisnána
        • Recsk
    		Szakáll-Gatter-Szendrei:Mineral Species of Hungary,2005
    • Nógrád Co.
      • Cserhát Mts.
        • Nagylóc-Zunypuszta
    		Mineral Species of Hungary, 2005
    • Pest Co.
      • Börzsöny Mts.
        • Nagybörzsöny
    		Szakáll & Jánosi: Minerals of Hungary, 1995
      • Visegrádi Mts.
        • Dunabogdány
    		Topographia Mineralogica Hungariae VI.; Harangi, S. et al. (2009): Dunabogdány: Zeolites, laccolith, contact zone, Field Trip 2, 9th September 2009. MinPet2009 field trip booklet, 17 pp.
    • Veszprém Co.
      • Bakony Mts.
        • Sümegprága
    		Analized in Geological Institute of Hungary (Péter Kónya)
    India
     
    • Maharashtra
      • Latur District
    		[var: Ferroan Saponite] AmMin 88:1983–1988, (2003)
    Indian Ocean
     
    • Ninety East Ridge (90° E Ridge; Indian Ridge)
      • D.S.D.P.
        • Leg 26
    		D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
    Israel
     
    • Negev desert
    		Gross, S. (1977): The Mineralogy of the Hatrurim Formation, Israel. Geological Survey of Israel, Bulletin no. 70, 80 pp.
    Italy
     
    • Aosta Valley
      • Nus
        • Saint-Barthélemy
    		• Barresi, A.A., Kolitsch, U., Ciriotti, M.E., Ambrino, P., Bracco, R., Bonacina, E. (2005): La miniera di manganese di Varenche (Aosta, Italia nord-occidentale): ardennite, arseniopleite, manganberzeliite, pirofanite, sarkinite, thortveitite, nuovo As-Sc-analogo della metavariscite e altre specie. Micro (località), 2/2005, 81-122.
    • Emilia-Romagna
      • Ferrara Province
    		www.lpi.usra.edu/meetings/metsoc2000/pdf/5103.pdf.
      • Parma Province
        • Berceto
          • Corchia mine
    		ADORNI F., GUELFI F. (1997) - La miniera di Fe e Cu di Corchia, Berceto, Appennino Parmense. - Riv. Min. It., N. 3, 217-250.
      • Piacenza Province
        • Nure valley
          • Ferriere
    		Veniale, F., and van der Marel, H.W. (1968): Contributions to Mineralogy and Petrology 17, 237-254.
    • Liguria
      • Genova Province
        • Cogoleto
    		www.asahi-net.or.jp/~UG7S-KTU/e_saponi.htm.
        • Tiglieto
    		Antofilli, Borgo, Palenzona, 1985. I nostri minerali. Geologia e mineralogia in Liguria. Edizioni Melita, La Spezia.
      • La Spezia Province
        • Vara Valley
          • Borghetto Vara
    • Lombardy
      • Brescia Province
        • Adamello-Brenta Natural Park
          • Adamello Massif
            • Mt. Foppa
    		E. Passaglia and A. Tagliavini : "Chabazite-offretite epitaxial overgrowths in cornubianite from Passo Forcel Rosso, Adamello, Italy", European Journal of Mineralogy, 1994, Vol. 6, N° 3, pp. 397-405.
    • Piedmont
      • Torino province
        • Germanasca valley
          • Prali
    		G.C. Piccoli, G. Maletto, P. Bosio, B. Lombardo. I minerali del Piemonte e della Vall d'Aosta. Ass. Amici del museo "F. Eusebio", Alba, 2007.
    • Tuscany
      • Florence Province
    		Brizzi G., Meli R., 1996. I minerali della formazione ofiolitica dell'Impruneta (FI). Riv. Miner. Ital., 20: 81-98.
    Ivory Coast (Côte d'Ivoire)
     
    • Worodougou region
      • Séguéla department
        • Toubabouko
    		Pouclet A. et al. (2004) C.R.Geoscience 336, 9-17
    Japan
     
    • Honshu Island
      • Chubu region
        • Shizuoka prefecture
    		No reference listed
        • Yamanashi prefecture
    		No reference listed
      • Chugoku Region
        • Tottori Prefecture
          • Hino-gun
            • Nichinan-cho
    		Alfredo Petrov - unpublished
      • Kinki Region
        • Hyogo Prefecture
          • Yabu-gun
            • Oya-cho
    		Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
    • Kyushu Island
      • Kagoshima Prefecture
        • Kushikino City
    		Econ Geol (1985) 80:283-293
    Madagascar
     
    • Mahajanga (Majunga) Province
      • Boeny Region
        • Soalala District
    		[var: Bowlingite] Lacroix, A. (1898): Matériaux pour la Minéralogie de Madagascar. I. Zeolites et minéraux cuprifères de Bekiady. Bulletin du Muséum national d'histoire naturelle 4 : 291-292
    Mars
    Gornitz, V. (2008) Mineral News, 24, #9, 1-2.
    Gornitz, V. (2008) Mineral News, 24, #9, 1-2.
    Netherlands Antilles
     
    • Curaçao
    		www.excaliburmineral.com/cdintro/sapon.htm.
    New Caledonia
     
    • Northern Province
      • Nouméa Commune
        • Népoui
    		T. Sameshima et al. , Am. Min. , 1983, 68, pp. 1076-1082. / C. Campiglio et al. , Bull. Minéral. , 1986, 109, pp. 423-440.
    Norway
     
    • Aust-Agder
      • Risør
        • Søndeled
    		Breivik, H. (2001): Mineralene i Ravneberget pukkverk, Søndeled. Bergverksmuseets Skrift 18: 31-36
    • Oppland
      • Lunner
        • Øståsen - Hadeland
          • Surka
    		Kvamsdal, L.O. (1993): Noen mineraler fra nordmarkitten mellom Roa og Maura. STEIN 20 (1), 30-45
    • Telemark
      • Skien
    		Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Gogołów-Jordanów Massif
        • Wiry
    		[var: Sobotkite] Czeslaw Haranczyk and Karol Prchazka (1974) Hydrous magnesium-nickel silicates from Wiry, Lower Silesia. Prace Muzeum Ziemi, 22, 3-64 (in Polish, with English summary, p.56-62)
      • Strzegom-Sobótka Massif
        • Wrocław District
          • Sobótka (Zobten; Zobten am Berge)
    		[var: Bowlingite] Spangenberg, K. (1949): Contributions to Mineralogy and Petrology 1(5/6), 529-535.
      • Ząbkowice District
        • Ząbkowice (Frankenstein)
    		[var: Bowlingite] Spangenberg, K., and Müller, M. (1949): Contributions to Mineralogy and Petrology 1(5/6), 560-572.
    • Małopolskie
      • Kraków
    		Eligiusz Szełęg collection
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
        • Aldan Shield
          • Aldan
            • Kuranakh Au Deposit
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    • Far-Eastern Region
      • Primorskiy Kray
        • Dal'negorsk (Dalnegorsk; Tjetjuche; Tetjuche)
          • Nikolaevskoe Pb-Zn-Ag deposit
    		Rogulina, L.I., and Sveshnikova, O.L. (2008): Geology of Ore Deposits 50(1), 60-74.
    • Northern Caucasus Region
      • Chechen Republic (Chechnya)
        • Mekensk
      • Kabardino-Balkarian Republic
        • Elbrus
    		Gurbanov, A.G., Bogatikov, O.A., Dokuchaev, A.Y., Gazeev, V.M., Abramov, S.S., Groznova, E.O., and Shevchenko, A.V. (2008): Geology of Ore Deposits 50(3), 199-217.
        • Verkhnechegemskaya (Upper Chegem) volcanic structure
    		A. E. Zadov data
    • Northern Region
      • Arkhangel'skaja Oblast'
        • Zimny Bereg District
          • Zimny Bereg kimberlite field
            • Verkhotina occurrence
    		Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.
      • 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
    www.koeln.netsurf.de/~w.steffens/lovo.htm
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Magnitogorsk
            • Sakhara (Sakharin) District
              • Sakhara massif
    		Talovina, I.V., Lazarenkov, V.G., Ryzhkova, S.O., Ugol\'kov, V.L., and Vorontsova, N.I. (2008): Lithology and Mineral Resources 43(6), 588-595.
          • Ufaley (Ufalei) District
    		Talovina, I.V., Lazarenkov, V.G., Ryzhkova, S.O., Ugol\'kov, V.L., and Vorontsova, N.I. (2008): Lithology and Mineral Resources 43(6), 588-595.
        • Orenburgskaya Oblast'
          • Svetlyi
            • Buruktal District
              • Buruktal massif
    		Talovina, I.V., Lazarenkov, V.G., and Vorontsova, N.I. (2003): Lithology and Mineral Resources 38(5), 403-415.
    Slovakia
     
    • Banská Bystrica Region
      • Western Slovenské Rudohorie Mts
    		Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
        • Dobšiná (Dobschau) Mining District
    		Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
      • Košická basin
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    South Africa
     
    • KwaZulu-Natal Province
      • Durban
        • Umhlatuzana valley
    		Cairncross, B. & Dixon, R. (1995). Minerals of South Africa. Geological Society of South Africa: Linden
    Minerals of South Africa
    • Limpopo Province
      • Phalaborwa
        • Loolekop
    		[Gliddon, J. P. and Braithwaite, R. S. (1991) - Zeolites and associated minerals from the Palabora mine, Transvaal (Afrique du Sud), Mineralogical Record, 22 (4), 255-262.]
    • Northern Cape Province
      • Kalahari manganese fields
        • Kuruman
          • N'Chwaning Mines
    		Minerals of South Africa
    South Korea
     
    • Gyeonggi-do (Kyonggi-do)
      • Yonchon-gun
        • Wangjing-myon
          • Nodong-ni
    		[var: Bowlingite] Hideo Tsuda (1969) Supplement to "Minerals of Korea".
    Spain
     
    • Aragón
      • Teruel
    		Schüller, A., Köhler, R., and Reh, H. (1950): Contributions to Mineralogy and Petrology 2(4), 279-290.
    • Canary Islands
      • Las Palmas Province
        • Lanzarote
          • Playa Blanca
    		Kratzsch E. (2001) Mineralfundstellen auf Lanzarote, Kanarische Inseln; Lapis 2001, 3, 13-23 (reference via Ferdinando Giovine)
    Sweden
     
    • Dalarna
      • Falun
        • Svärdsjö
    • Jämtland
      • Strömsund
    • Värmland
      • Filipstad
        • Nordmark
    		No reference listed
    • Västmanland
      • Norberg
    		No reference listed
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Engadin
        • Samnaun
          • Piz Mundin
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 163.
    • Schaffhausen
      • Ramsen
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 377.
    UK
     
    • England
      • Cornwall
    		No reference listed
          • Landewednack
    		No reference listed
    No reference listed
      • Cumbria
        • South Western Region (Furness)
          • Coniston District
    		BMS Database
      • Derbyshire
        • Buxton
    		Ford, T., A. Sarjeant & M. Smith (1993) The minerals of the Peak district of Derbyshire UK Jour. Mines & Minerals 13:16-55
      • Somerset
        • Cranmore
    		Turner R.W. and Rumsey, M.S. (2007) Merehead Mineralogy - an Update. Russell Soc Newsletter, No 50, pp 17-18 (March 2007)
    • Northern Ireland
      • Co. Antrim
        • Ballyclare
    		Mineralogical Magazine 1962 33 : 187-201.
    Trevor Boyd collection
    Mineralogical Magazine 1962 33 : 173-186.
        • Magee Island
    		S Rust collection
      • Co. Down
        • Mourne Mts
          • Newcastle
    		Green, D.I., Bell, R. & Moreton, S. (2005) UK J. Mines & Minerals, No. 25, p.25-30.
    • Scotland
      • North West Highlands (Inverness-shire)
        • Isle of Skye
          • Trotternish
            • Staffin
      • Strathclyde (Dunbartonshire)
    		[var: Bowlingite] Jan Bernard & Jaroslav Hyrsl (2004) Minerals and their Localities; www.mindat.org/mesg-9-106733.html
      • Strathclyde (Renfrewshire)
        • Barrhead
    		No Reference
    • Wales
      • Powys (Radnorshire)
        • Builth Wells
    		NNational Museum of Wales database
    USA
     
    • Arizona
      • Cochise Co.
        • Tombstone Hills
          • Tombstone District
            • Tombstone
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 361.
      • Maricopa Co.
        • Big Horn Mts
          • Osborn District
            • Tonopah
              • Belmont Mountain
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 357.
        • Phoenix
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 361; Shannon, D.M. (1983b), Zeolites and associated minerals from Horseshoe Dam, AZ, Min.Rec.: 14: 115-117; Tschernich, R. (1992): Zeolites of the World, 63
      • Mohave Co.
    		Arizona Dept. of Mines & Min. Resources, 1989, Directory of active mines in Arizona, incorporating sand and gravel operations - 1989-90; MRDS file #10062144.
      • Pima Co.
        • Pantano
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 361.
      • Santa Cruz Co.
        • Patagonia Mts
          • Harshaw District
            • Alum Gulch
              • Flux Gulch
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 361.
      • Yavapai Co.
        • Eureka District
          • Bagdad
    		Anderson, C.A., et al (1955), Geology and ore deposits of the Bagdad area, Yavapai County, Arizona, USGS PP 278: 51.
    • California
      • Inyo Co.
        • Ballarat
        • Death Valley
          • Badwater
    		Starkey, H.C. and Blackmon, P.D. (1979) Clay mineralogy of Pleistocene Lake Tecopa, Inyo County, California. USGS Professional Paper 1061, 34 pp.: 23, 25; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 439.
      • Kern Co.
        • Kramer District
          • Boron
            • Kramer Borate deposit
              • U.S. Borax Mine (Pacific West Coast Borax Mine; Pacific Coast Borax Co. Mine; Boron Mine; U.S. Borax and Chemical Corp. Mine; Kramer Mine; Baker Mine)
                • Baker mine
    		[var: Ferroan Saponite] Tschernich, R. (1992): Zeolites of the World, 64, 311
      • Los Angeles Co.
    		[var: Ferroan Saponite]
          • Brush Canyon
    		[var: Ferroan Saponite] Neuerberg, George J., (1951), Minerals of the Neuerberg, George Joseph (1951), Minerals of the eastern Santa Monica Mountains, Los Angeles city: American Mineralogist: 36: 136; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 208; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 440.
          • Los Angeles
            • Griffith Park
    		[var: Ferroan Saponite]
      • Napa Co.
        • Mayacmas Mts (Mayacamas Mts)
          • East Mayacmas District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • San Bernardino Co.
        • Barstow
          • Hector Station area
    		Ames, Lloyd L., Jr., et al (1958), A contribution on the Hector, California bentonite deposit: Economic Geology: 53: 28; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 151.
      • Santa Clara Co.
        • Diablo Range
          • Mount Hamilton
      • Ventura Co.
    		http://www.mineralsocal.org/scfm/california/v.htm
    • Colorado
      • Eagle Co.
        • Wolcott
    		Minerals of Colorado (1997) E.B. Eckels
      • Gunnison Co.
        • Dorchester District
          • Taylor Park
    		Minerals of Colorado (1997) Eckels, E. B.
      • Mineral Co.
        • Creede District
          • Wolf Creek Pass
    		Rocks & Minerals 79:5 pp316-324
    • Connecticut
      • New Haven Co.
    		Januzzi, 1976. Mineral Localities of CT and Southeastern NY State
    • Hawaii
      • Honolulu Co.
        • Oahu Island
    		specimens associated with epistilbite, exhibited at Franklin NJ show, sept 2009.
    • Maine
      • Washington Co.
        • Edmunds
    		King, V. and Foord, E., 1994, Mineralogy of Maine, v1
        • Pembroke
    		King, V. and Foord, E., 1994, Mineralogy of Maine, v1
        • Perry
    		Thompson, W.B., et.al., 1999, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.
    • Massachusetts
    		Emerson, 1917. Geology of Mass. & Rhode Island
        • Deerfield
    		Gleba, 1978. Massachusetts Mineral & Fossil Localities
    • Michigan
    		www.deq.state.mi.us/documents/deq-glm-rcim-geology-Minerals_Found_In_Michigan.Pdf.
    T. Kennedy collection
        • Centennial
    		Mineralogy of Michigan (2004) Heinrich & Robinson
        • Houghton
    		Rocks & Min.:58:109.
        • Laurium
    		Collection Elmar Lackner
        • Osceola
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    USGS PP144
        • Tamarack
    		Dana 6: 1086.
      • Keweenaw Co.
        • Ahmeek
    		Rocks & Min.:58:111.
        • Central
    		Rocks & Min.:58:111.
        • Mandan
    		Rocks & Min.: 58:111.
        • Mohawk
    		Rocks & Min.:58:111.
        • Phoenix
    		No reference listed
      • Ontonagon Co.
    		Mineralogy of Michigan (2004) Heinrich & Robinson
        • Greenland
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    Mineralogy of Michigan (2004) Heinrich & Robinson
    Mineralogy of Michigan (2004) Heinrich & Robinson
    Ref.: Rocks & Min.: 58:112; 63:494; 65:240-243.
    • Minnesota
      • Lake Co.
    		AmMin 46:430
    • Missouri
      • Iron Co.
        • Graniteville
    		R&M 73:2 pp 98-117
    • Nevada
      • Douglas Co.
        • Gardnerville District
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Nye Co.
    		Rocks & Minerals, Nov. 1999.
    NBMG Spec. Pub. 31 Minerals of Nevada
      • White Pine Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
    • New Jersey
      • Somerset Co.
        • Bernards Township
    		Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
    • New Mexico
      • Catron Co.
    		Minerals of New Mexico 3rd ed.
      • Eddy Co.
        • Carlsbad
    		Clays and Clay Minerals; June 2000; v. 48; no. 3; p. 317-321
      • Hidalgo Co.
        • Pyramid Mts
    		Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    Northrop, Minerals of New Mexico, 3rd rev. ed., 1996
    Minerals of New Mexico 3rd ed.
    • North Carolina
    		Gems and Minerals of America-Jay Ellis Ransom-1974
    • Oregon
      • Clackamas Co.
    		Micro Probe Vol. 6 No. 4
    • Pennsylvania
      • Delaware Co.
        • Ridley Township
          • Leiperville
    		Rocks & Min.:59:109-120.
    • Utah
      • Beaver Co.
        • Star Range
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Grand Co.
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Utah Co.
        • East Tintic Mts
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Virginia
      • Highland Co.
    		Minerals of Virginia 1990 by R. V. Dietrich
    • Wisconsin
    • Wyoming
      • Sweetwater Co.
        • Green River Formation
    		Am Min 49:778-781
    Yemen
     
    • South Yemen
    		LPSC 25, 1565(1994); Zolensky, M. & A.Ivanov, Chemie der Erde 63,185-246(2003)
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