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

Lawsonite

Big Photo

Reed Station, Tiburon Peninsula, Marin Co., California, USA
© Caltech

Show Lawsonite Photos (6)
Formula:
CaAl
 
2
[(OH)
 
2
|Si
 
2
O
 
7
] · H
 
2
O
System:OrthorhombicColour:colorless, white, ...
Hardness:7½
Name:For geologist Andrew Cowper Lawson (1861-1952)
This page provides mineralogical data about Lawsonite.

Classification of Lawsonite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/C.10-10
Nickel-Strunz 10th (pending) edition ID:9.BE.05

9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
Dana 8th edition ID:56.2.3.1

56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Hey's CIM Ref.:16.9.18

16 : Silicates Containing Aluminum and other Metals
9 : Aluminosilicates of Ca
mindat.org URL:http://www.mindat.org/min-2353.html
Please feel free to link to this page.

Type Occurrence of Lawsonite

Type Locality:Reed Station, Tiburon Peninsula, Marin Co., California, USA

Physical Properties of Lawsonite

Lustre:Vitreous, Greasy
Diaphaneity (Transparency):Transparent, Translucent
Colour:colorless, white, grayish blue, pale blue
Streak:white
Hardness (Mohs):7½
Cleavage:Perfect
[001] perfect
[110] poor
Fracture:Irregular/Uneven
Density (measured):3.1 g/cm3
Density (calculated):3.09 g/cm3

Crystallography of Lawsonite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Cmcm (C2/m 2/c 21/m)
Cell Parameters:a = 5.847Å, b = 8.79Å, c = 13.128Å
Ratio:a:b:c = 0.665 : 1 : 1.494
Unit Cell Volume:V 674.72 ų
Z:4
Morphology:prismatic/tabular
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.
X-Ray Powder Diffraction:
d-spacingIntensity
4.84 (60)
3.66 (60)
2.726 (70)
2.680 (50)
2.624 (100)
2.433 (60)
2.129 (60)

Optical Data of Lawsonite

Type:Biaxial (+)
RI values: nα = 1.665 nβ = 1.672 - 1.676 nγ = 1.684 - 1.686
2V:Measured: 84° to 85°, Calculated: 76° to 86°
Maximum Birefringence:δ = 0.019 - 0.021

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

Chemical Properties of Lawsonite

Formula:
CaAl
 
2
[(OH)
 
2
|Si
 
2
O
 
7
] · H
 
2
O
Essential elements:Al, Ca, H, O, Si
All elements listed in formula:Al, Ca, H, O, Si

Relationship of Lawsonite to other Species

Related Minerals - Nickel-Strunz Grouping):
9.BE.02Wadsleyite
(Mg,Fe
2+
 
)
 
2
[SiO
 
4
]
9.BE.05Hennomartinite
SrMn
3+
2
[(OH)
 
2
|Si
 
2
O
 
7
] · H
 
2
O
9.BE.05Noelbensonite
BaMn
3+
2
[(OH)
 
2
|Si
 
2
O
 
7
] · H
 
2
O
9.BE.05Itoigawaite
SrAl
 
2
[(OH)
 
2
|Si
 
2
O
 
7
] · H
 
2
O
9.BE.07Ilvaite
CaFe
2+
2
Fe
3+
 
[O|OH|Si
 
2
O
 
7
]
9.BE.07Manganilvaite
Ca(Mn
2+
 
,Fe
2+
 
)
 
2
Fe
3+
 
[O|OH|Si
 
2
O
 
7
]
9.BE.10Suolunite
Ca
 
2
[H
 
2
Si
 
2
O
 
7
] · H
 
2
O
9.BE.12Jaffeite
Ca
 
6
[(OH)
 
6
|Si
 
2
O
 
7
]
9.BE.15Fresnoite
Ba
 
2
Ti[O|Si
 
2
O
 
7
]
9.BE.17Baghdadite
Ca
 
3
(Zr,Ti)[O
 
2
|Si
 
2
O
 
7
]
9.BE.17Burpalite
Na
 
2
CaZr[F
 
2
|Si
 
2
O
 
7
]
9.BE.17Cuspidine
Ca
 
4
[(F,OH)
 
2
|Si
 
2
O
 
7
]
9.BE.17Hiortdahlite
(Ca,Na)
 
3
(Zr,Ti)Si
 
2
O
 
7
(O,OH,F)
 
2
9.BE.17Janhaugite
(Na,Ca)
 
3
(Mn,Fe)
 
3
(Ti,Zr,Nb)
 
2
Si
 
4
O
 
15
(OH,F,O)
 
3
9.BE.17Låvenite
(Na,Ca)
 
2
(Mn
2+
 
,Fe
2+
 
)(Zr,Ti)[(O,OH,F)
 
2
|Si
 
2
O
 
7
]
9.BE.17Niocalite
(Ca,Nb)
 
4
[(O,OH,F)
 
2
|Si
 
2
O
 
7
]
9.BE.17Normandite
NaCa(Mn,Fe)(Ti,Nb,Zr)[(O,F)
 
2
|Si
 
2
O
 
7
]
9.BE.17Wöhlerite
NaCa
 
2
(Zr,Nb)[(O,OH,F)
 
2
|Si
 
2
O
 
7
]
9.BE.17Hiortdahlite I
(Na
 
3
Ca)Ca
 
8
Zr
 
2
(M
3+
 
)
 
2
(Si
 
2
O
 
7
)
 
4
O
 
3
F
 
5
9.BE.17IMA2005-005a
Na
 
2
Ca
 
4
(Nb,Zr)
 
2
[(O,F)
 
2
|Si
 
2
O
 
7
]
 
2
9.BE.20Mosandrite
(Ca,Na,Ce)
 
12
(Ti,Zr)
 
2
[F
 
4
|(OH)
 
6
|SiO
 
4
|(Si
 
2
O
 
7
)
 
3
]
9.BE.20Nacareniobsite-(Ce)
Na
 
3
Ca
 
3
(Ce,La,Nd)Nb[F
 
3
|O|(Si
 
2
O
 
7
)
 
2
]
9.BE.20Rinkite
Na(Na,Ca)
 
2
(Ca,Ce)
 
4
Ti[F
 
2
|(O,F)
 
2
|(Si
 
2
O
 
7
)
 
2
]
9.BE.22Götzenite
Na
 
2
Ca
 
5
Ti[F
 
4
|(Si
 
2
O
 
7
)
 
2
]
9.BE.22Hainite
Na
 
4
Ca
 
8
(Ti,Zr,Mn)
 
3
[F
 
4
|(Si
 
2
O
 
7
)
 
2
]
 
2
9.BE.22Rosenbuschite
(Ca,Na)
 
3
(Zr,Ti)[O|F|Si
 
2
O
 
7
]
9.BE.22Kochite
(Na,Ca)
 
3
Ca
 
2
(Mn,Ca)ZrTi[(F,O)
 
4
|(Si
 
2
O
 
7
)
 
2
]
9.BE.23Dovyrenite
Ca
 
6
Zr(Si
 
2
O
 
7
)
 
2
(OH)
 
4
9.BE.25Barytolamprophyllite
(Ba,Na)
 
2
(Na,Ti,Fe
3+
 
)
 
4
Ti
 
2
[O|(OH,F)|Si
 
2
O
 
7
]
 
2
9.BE.25Ericssonite
BaMn
2+
2
Fe
3+
 
[O|OH|Si
 
2
O
 
7
]
9.BE.25Lamprophyllite
(Sr,K,Ba)
 
2
(Na,Ti,Mn
2+
 
,Fe
3+
 
)
 
4
Ti
 
2
[O|(O,OH,F)|Si
 
2
O
 
7
]
 
2
9.BE.25Orthoericssonite
BaMn
2+
2
Fe
3+
 
[O|OH|Si
 
2
O
 
7
]
9.BE.25Seidozerite
Na
 
8
Zr
 
3
Ti
 
3
Mn
2+
2
[O|F|Si
 
2
O
 
7
]
 
4
9.BE.25Nabalamprophyllite
Na
 
3
(Ba,Na)
 
2
Ti
 
3
[O|(OH,F)|Si
 
2
O
 
7
]
 
2
9.BE.25Grenmarite
(Zr,Mn)
 
2
(Zr,Ti)(Mn,Na)(Na,Ca)
 
4
(Si
 
2
O
 
7
)
 
2
(O,F)
 
4
9.BE.27Murmanite
Na
 
2
(Ti,Nb)
 
2
Si
 
2
O
 
9
·nH
 
2
O
9.BE.30Epistolite
Na
 
2
(Nb,Ti)
 
2
[O
 
2
|Si
 
2
O
 
7
] · nH
 
2
O
9.BE.32Lomonosovite
Na
 
5
Ti
 
2
[O
 
2
|PO
 
4
|Si
 
2
O
 
7
]
9.BE.35Vuonnemite
Na
 
11
Ti
4+
 
Nb
 
2
(Si
 
2
O
 
7
)
 
2
(PO
 
4
)
 
2
O
 
3
(F,OH)
9.BE.37Sobolevite
Na
 
12
Ca(NaCaMn)Ti
 
2
(Si
 
2
O
 
7
)
 
2
(PO
 
4
)
 
4
O
 
3
F
 
3
9.BE.40Innelite
Na
 
2
(Ba,K)
 
4
(Mg,Ca,Fe)Ti
 
3
Si
 
4
O
 
18
(OH,F)
 
1.5
SO
 
4
9.BE.40Phosphoinnelite
Ba
 
4
Na
 
3
Ti
 
3
[(O,F)
 
3
|(PO
 
4
,SO
 
4
)
 
2
|Si
 
4
O
 
14
]
9.BE.42Yoshimuraite
Ba
 
2
Mn
 
2
TiOSi
 
2
O
 
7
(PO
 
4
)(OH)
9.BE.45Quadruphite
Na
 
14
Ca
 
2
Ti
 
4
[O
 
2
|F|(PO
 
4
)
 
2
|Si
 
2
O
 
7
]
 
2
9.BE.47Polyphite
Na
 
5
(Na
 
4
Ca
 
2
)Ti
 
2
(Si
 
2
O
 
7
)(PO
 
4
)
 
3
O
 
2
F
 
2
9.BE.50Bornemanite
BaNa
 
4
Ti
 
2
NbSi
 
4
O
 
17
(F,OH)·Na
 
3
PO
 
4
9.BE.50Shkatulkaite
Na
 
10
Mn
2+
 
Ti
 
3
Nb
 
3
[(OH)
 
2
|F|(Si
 
2
O
 
7
)
 
6
] · 12H
 
2
O
9.BE.50Shkatulkalite
9.BE.50Bykovaite
BaNa(Na,Ti)
 
4
[(OH,F)
 
2
|(Ti,Nb)
 
2
Si
 
4
O
 
14
(O,OH)
 
3
] · 3H
 
2
O
9.BE.55Bafertisite
Ba(Fe
3+
 
,Mn
2+
 
)
 
2
Ti[O|(O,OH)
 
2
|Si
 
2
O
 
7
]
9.BE.55Hejtmanite
Ba(Mn
2+
 
,Fe
2+
 
)
 
2
Ti[O|(OH,F)
 
2
|Si
 
2
O
 
7
]
9.BE.55Nechelyustovite
(Ba,Na)
 
2
{(Na,Ti,Mn)
 
4
[(Ti,Nb)
 
2
(OH)
 
3
Si
 
4
O
 
14
](OH,O,F)
 
2
} · 3H
 
2
O
9.BE.60Delindeite
(Na,K)
 
2.7
(Ba,Ca)
 
4
(Ti,Fe,Al)
 
6
Si
 
8
O
 
26
(OH)
 
14
9.BE.65Bussenite
Na
 
2
Ba
 
2
FeTiSi
 
2
O
 
7
(CO
 
3
)(OH)
 
3
F
9.BE.67Jinshajiangite
(Na,Ca)(Ba,K)(Fe,Mn)
 
4
Ti
 
2
Si
 
4
O
 
16
(F,O,OH)
 
2-3
9.BE.67Perraultite
(Na,Ca)(Ba,K)(Mn,Fe)
 
4
(Ti,Nb)
 
2
Si
 
4
O
 
16
(OH,F,O)
 
3
9.BE.67Surkhobite
(Ba,K)
 
2
CaNaMn
 
8
Ti
 
4
(Si
 
2
O
 
7
)
 
4
O
 
4
(F,OH,O)
 
6
9.BE.70Karnasurtite-(Ce)
(Ce,La,Th)(Ti,Nb)(Al,Fe)(Si,P)
 
2
O
 
7
(OH)
 
4
·3H
 
2
O
9.BE.70Perrierite-(Ce)
(Ce,Ca,Th)
 
4
(Mg,Fe
2+
 
)
 
2
(Ti,Fe
3+
 
)
 
3
[O
 
4
|Si
 
2
O
 
7
]
 
2
9.BE.70Strontiochevkinite
(Sr,La,Ce,Ca)
 
4
Fe
3+
 
(Ti,Zr)
 
2
Ti
 
2
[O
 
4
|Si
 
2
O
 
7
]
 
2
9.BE.70Chevkinite-(Ce)
(Ce,La,Ca,Na,Th)
 
4
(Fe
2+
 
,Mg)(Fe
3+
 
,Ti,Fe
2+
 
)
 
2
(Ti,Fe
3+
 
,Nb)
 
2
[O
 
4
|Si
 
2
O
 
7
]
 
2
9.BE.70Polyakovite-(Ce)
(Ce,Ca)
 
4
(Mg,Fe
2+
 
)(Cr
3+
 
,Fe
3+
 
)
 
2
(Ti,Nb)
 
2
[O
 
4
|Si
 
2
O
 
7
]
 
2
9.BE.70Rengeite
Sr
 
4
ZrTi
 
4
[O
 
4
|Si
 
2
O
 
7
]
 
2
9.BE.70Matsubaraite
Sr
 
4
Ti
 
5
[O
 
4
|Si
 
2
O
 
7
]
 
2
9.BE.70Dingdaohengite-(Ce)
Ce
 
4
Fe
2+
 
Ti
 
2
Ti
 
2
[O
 
4
|Si
 
2
O
 
7
]
 
2
9.BE.70Maoniupingite-(Ce)
(REE,Ca)
 
4
(Fe
3+
 
,Ti,Fe
2+
 
,[])(Ti,Fe
3+
 
,Fe
2+
 
,Nb)
 
4
[O
 
4
|Si
 
2
O
 
7
]
 
2
9.BE.70Perrierite-(La)
(La,Ce, Ca)
 
4
(Fe,Mn
2+
 
,Mg)(Ti,Fe)
 
4
[O
 
4
|Si
 
2
O
 
7
]
 
2
9.BE.72Fersmanite
(Ca,Na)
 
4
(Ti,Nb)
 
2
Si
 
2
O
 
11
(F,OH)
 
2
9.BE.75Belkovite
Ba
 
3
(Nb,Ti)
 
6
[O
 
6
|Si
 
2
O
 
7
]
 
2
9.BE.77Nasonite
Pb
 
6
Ca
 
4
[Cl
 
2
|(Si
 
2
O
 
7
)
 
3
]
9.BE.80Kentrolite
Pb
 
2
Mn
3+
2
[O
 
2
|Si
 
2
O
 
7
]
9.BE.80Melanotekite
Pb
 
2
Fe
3+
2
[O
 
2
|Si
 
2
O
 
7
]
9.BE.82Tilleyite
Ca
 
5
[(CO
 
3
)
 
2
|Si
 
2
O
 
7
]
9.BE.85Killalaite
Ca
 
3
[Si
 
2
O
 
7
] · 0.5H
 
2
O
9.BE.87Stavelotite-(La)
(La,Nd,Ca)
 
3
Mn
2+
3
Cu(Mn
3+
 
,Fe
3+
 
,Mn
4+
 
)
 
26
[O
 
5
|Si
 
2
O
 
7
]
 
6
9.BE.90Biraite-(Ce)
Ce
 
2
Fe
2+
 
[CO
 
3
|Si
 
2
O
 
7
]
Related Minerals - Hey's Index Grouping:
16.9.1Gehlenite
Ca
 
2
Al[AlSiO
 
7
]
16.9.2Anorthite
Ca[Al
 
2
Si
 
2
O
 
8
]
16.9.3Yoshiokaite
(Ca,Na)[Al(Al,Si)O
 
4
]
16.9.4Svyatoslavite
Ca[Al
 
2
Si
 
2
O
 
8
]
16.9.5Dmisteinbergite
Ca[Al
 
2
Si
 
2
O
 
8
]
16.9.6Grossular
Ca
 
3
Al
 
2
[SiO
 
4
]
 
3
16.9.7Vuagnatite
CaAl[OH|SiO
 
4
]
16.9.8Zoisite
{Ca
 
2
}{Al
 
3
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
16.9.9Clinozoisite
{Ca
 
2
}{Al
 
3
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
16.9.10Prehnite
Ca
 
2
Al
 
2
Si
 
3
O
 
12
(OH)
16.9.11Kamaishilite
Ca
 
2
[(OH)
 
2
|Al
 
2
SiO
 
6
]
16.9.12Bicchulite
Ca
 
2
[(OH)
 
2
|Al
 
2
SiO
 
6
]
16.9.13Margarite
CaAl
 
2
[(OH)
 
2
|Al
 
2
Si
 
2
O
 
10
]
16.9.14Chantalite
CaAl
 
2
[(OH)
 
4
|SiO
 
4
]
16.9.15Cebollite
Ca
 
5
Al
 
2
Si
 
3
O
 
12
(OH)
 
4
 or near
16.9.17Katoite
Ca
 
3
Al
 
2
[(OH)
 
8-6
|(SiO
 
4
)
 
1-1.5
]
16.9.19Parthéite
CaAl
 
2
Si
 
2
O
 
8
·2H
 
2
O
16.9.20Wairakite
Ca[Al
 
2
Si
 
4
O
 
12
] · 2H
 
2
O
16.9.21Vertumnite
Ca
 
4
Al
 
4
Si
 
4
O
 
6
(OH)
 
24
·3H
 
2
O
16.9.22Scolecite
Ca[Al
 
2
Si
 
3
O
 
10
] · 3H
 
2
O
16.9.23Laumontite
CaAl
 
2
Si
 
4
O
 
12
·4H
 
2
O
16.9.24Yugawaralite
CaAl
 
2
Si
 
6
O
 
16
·4H
 
2
O
16.9.25Gismondine-Ca
CaAl
 
2
Si
 
2
O
 
8
·4H
 
2
O
16.9.26Epistilbite
CaAl
 
2
Si
 
6
O
 
16
·5H
 
2
O
16.9.27Goosecreekite
Ca[Al
 
2
Si
 
6
O
 
16
] · 5H
 
2
O
16.9.28Cowlesite
CaAl
 
2
Si
 
3
O
 
10
·6H
 
2
O
16.9.30Stellerite
Ca[Al
 
2
Si
 
7
O
 
18
] · 7H
 
2
O
16.9.31Strätlingite
Ca
 
2
Al
 
2
SiO
 
7
·8H
 
2
O
16.9.32Amstallite
CaAl(Si,Al)
 
4
O
 
8
(OH)
 
4
·(H
 
2
O,Cl)

Other Names for Lawsonite

German names:
Lawsonit
Russian names:
Лавсонит
Spanish names:
Lawsonita
Traditional Chinese names:
硬柱石

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 Lawsonite

Reference List:Ransome, Frederick Leslie (1895), On lawsonite, a new rock-forming mineral from the Tiburon Peninsula, Marin County: University of California, Department of Geological Science Bull.: 1: 301-312.

Ransome, Frederick Leslie & Charles Palache (1896), Ueber Lawsonit en Neues gesteinbildendes Mineral aus Californien: Zeitschr. Kristallographie, Band 25: 531-537.

Schaller, Waldemar Theodore & W.F. Hillebrand (1904), Crystallographical and chemical notes on lawsonite: American Journal of Science, 4th. Series: 17: 195-197.

Schaller, Waldemar Theodore & W.F. Hillebrand (1905), Notes on lawsonite: USGS Bull. 262: 58-60.

Crawford, W.A. & W.S. Fyfe (1965), Lawsonite equilibria: American Journal of Science: 263: 262-270.

Labotka, T.C. & G.R. Rossman (1974), The infrared pleochroism of lawsonite: the orientation of water and hydroxide groups: American Mineralogist: 59: 799-806.

Baur, W.H. (1978), Crystal structure refinement of lawsonite: American Mineralogist: 63: 311-315.

Pawley, A.R. (1994), The pressure and temperature stability limits of lawsonite: implications for H2O recycling in subduction zones. Contributions to Mineralogy and Petrology: 118: 99-108.

Schmidt, M.W. and Poli, S. (1994), The stability of lawsonite and zoisite at high pressures: experiments in CASH to 92 kbar and implications for the presence of hydrous phases in subducted lithosphere. Earth and Planetary Science Letters: 124: 105-118.

Libowitzky, E. and Armbruster, T. (1995), Low-temperature phase transitions and the role of hydrogen bonds in lawsonite. American Mineralogist: 80: 1277-1285.

Schmidt, M.W. (1995), Lawsonite: upper pressure stability and formation of higher density hydrous phases. American Mineralogist: 80: 1286-1292.

Pawley, A.R., Redfern, S.A.T., and Holland, T.J.B. (1996), Volume behavior of hydrous minerals at high pressures and temperatures: 1. Thermal expansion of lawsonite, zoisite, clinozoisite, and diaspore. American Mineralogist: 81: 335-340.

Holland, T.J.B., Redfern, S.A.T., and Pawley, A.R. (1996), Vlume behavior of hydrous minerals at high pressure and temperature: II. Compressibilities of lawsonite, zoisite, clinozoisite and epidote. American Mineralogist: 81: 341-348.

Libowitzky, E. and Rossman, G.R. (1996), FTIR spectroscopy of lawsonite between 82 and 325 K. American Mineralogist: 81: 1080-1091.

American Mineralogist (1996): 81: 1277-1285.

Scott, H.P. and Williams, Q. (1999), An infrared spectroscopic study of lawsonite to 20 GPa Physics and Chemistry of Minerals: 26: 437-445.

Daniel, I., Fiquet, G., Gillet, P., Schmidt M.W., and Hanfland, M. (2000), High-pressure behaviour of lawsonite: a phase transition at 8.6 GPa. European Journal of Mineralogy: 12: 721-733.

Grevel, K.-D., Nowlan, E.U., Fasshauer, D.W., and Burchard, M. (2000), In situ X-ray diffraction investigation of lawsonite and zoisite at high pressures and temperatures American Mineralogist: 85: 206-216.

Meyer, H.-W., Carpenter, M.A., Graeme-Barber, A., Sondergeld, P., and Schranz, W. (2000), Local and macroscopic order parameter variations associated with low temperature phase transitions in lawsonite, CaAl2Si2O7(OH)2·H2O. European Journal of Mineralogy: 12: 1139-1150.

Sinogeikin, S.V., Schilling, F.R., and Bass, J.R. (2000), Single crystal elasticity of lawsonite. American Mineralogist: 85: 1834-1837.

Sondergeld, P., Schranz, W., Kityk, A.V., Carpenter, M.A., and Libowitzky, E. (2000a), Ordering behaviour of the mineral lawsonite. Phase Transitons: 71: 189-203.

Sondergeld, P., Schranz, W., Tröster, A., Carpenter, M.A., ibowitzky E., and Kityk, A.V. (2000b) Optical, elastic, and dielectric studies of the phase transitions in lawsonite. Physical Review B: 62: 6143-6147.

Martin-Olalla, J.-M., Hayward, S.A., Meyer, H.-W., Ramos, S., del Cerro, J., and Carpenter, M.A. (2001), Phase transitions in lawsonite: a calorimetric study. European Journal of Mineralogy: 13: 5-14.

Meyer, H.-W., Marion, S., Sondergeld, P., Carpenter, M.A., Knight, K.S., Redfern, S.A.T., and Dove, M.T. (2001), Displacive components of the low-temperature phase transitions in lawsonite. American Mineralogist: 86: 566-577.

Pawley, A.R. and Allan, D.R. (2001), A high-pressure structural study of lawsonite using angle-dispersive powder-diffraction methods with synchrotron radiation. Mineralogical Magazine: 65: 41-58.

Sondergeld, P., Schranz, W., Tröster, A., Kabelka, H., Meyer, H.-W., Carpenter, M.A., Lodziana, Z., and Kityk, A.V. (2001) Dielectric relaxation and order-parameter dynamics in lawsonite. Physical Review B: 64: 024105.

Hayward, S.A., Burriel, R., Marion, S., Meyer, H.-W., and Carpenter, M.A. (2002), Kinetic effects associated with the low-temperature phase transitions in lawsonite. European Journal of Mineralogy: 14: 1145-1153.

Boffa Ballaran, T. and Angel, R.J. (2003), Equation of state and high-pressure phase transitions in lawsonite. European Journal of Mineralogy: 15: 241-246.

Carpenter, M.A., Meyer, H.-W., Sondergeld, P., Marion, S., and Knight, K.S. (2003), Spontaneous strain variations through the low temperature phase4 transitions of deuterated lawsonite. American Mineralogist: 88: 534-546.

Schilling, F.R., Sinogeikin, S.V., and Bass, J.D. (2003), Single-crystal elastic properties of lawsonite and their variations with temperature. Physics of Earth and Planetary Interiors: 136: 107-118.

Sondergeld, P., Schranz, W., Tröster, A., Armbruster, T., Giester, G., Kityk, A., and Carpenter, M.A. (2005), Ordering and elasticity associated with low-temperature phase transitions in lawsonite. American Mineralogist: 90: 448-456.

Internet Links for Lawsonite

Search Engines:
  • Look for Lawsonite on Google
  • Look for Lawsonite images on Google
    • External Links:
  • Look for Lawsonite on Webmineral
  • Look for Lawsonite on Athena Mineralogy
  • Look for Lawsonite on Wikipedia
  • Look for Lawsonite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Lawsonite in the Natural History Museum (London) online catalogue
  • Lawsonite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Search for Lawsonite on minvision.com
  • Search for Lawsonite at Thames Valley Minerals
  • Buy Minerals and Crystals from Crystalarium.com
  • Wilensky Fine Minerals
  • Buy Fine Minerals from mineralsweb.com
  • Lapis Mineral Magazin
  • e-Rocks - Mineral Auctions and Sales
  • rare and unusual minerals mainly crystallized
  • Buy from David K Joyce minerals
  • Fine Minerals from Dan Weinrich Minerals
  • Rare and Unusual minerals at Mineralogical Research Company
  • Wright's Rock Shop - excellent mineral specimens since 1970
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to find out how you can sponsor this page.

    Localities for Lawsonite

    Hide Locality List
    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    These maps work faster with Firefox!
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Antarctica
    AmMin 36:361-367
    AmMin 36:361-367
    Australia
     
    • New South Wales
      • Macquarie Co.
        • Port Macquarie
    		Mineralogical Magazine, August 2003, V. 67, N° 4, pp. 609-624.
    Austria
     
    • Salzburg
      • Hohe Tauern Mts
        • Fusch valley
          • Brennkogel Mt. area
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    China
     
    • Gansu (Ganzu) Province
      • Zhangye Prefecture
        • Sunan Co.
          • Nine Springs area
    		Qian-Jie Wang, Li-Fei Zhang, and Shu-Guang Song (2007): Earth Science Frontiers [Dixue Qian Yuan] 14(1), 157-171.
    • Qinghai (Chinghai) Province
      • Haibei Autonomous Prefecture
        • Qilian Co.
    		Zhang, J.X., Meng, F.C., and Wan, Y.S. (2007): Journal of Metamorphic Geology 25(3), 285-304.
    Cuba
     
    • Villa Clara Province
    France
     
    • Provence-Alpes-Côte d'Azur
      • Hautes-Alpes
        • Briançon
          • Montgenèvre
    		Bull. Minéral. , 1984, 107, pp. 345-356.
        • Saint-Véran
    		R. Pierrot, P. Picot, P.A. Poulain, "Inventaire Minéralogique de la France : Hautes-Alpes", BRGM, 1972
    Greece
     
    • Aegean Islands (Aiyaíon) Department
      • Kykládes Prefecture
        • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
    		Eur. J. Mineral. , 1996, 8, pp. 607-623.
    Guatemala
     
    • Motagua Valley
    		Am. Miner., V. 90, pp. 836-842, 2005.
    Italy
     
    • Liguria
      • Savona Province
        • Savona
    		Antofilli, Borgo, Palenzona, 1985. I nostri minerali. Geologia e mineralogia in Liguria. Edizioni Melita, La Spezia.
    • Piedmont
      • Cuneo Province
        • Maira Valley
    		Mariani P., Scaini G.: "I minerali d'Italia" - Rizzoli, 1978 and A. Del Caldo, C. Del Moro, C.M. Gramaccioli, M. Boscardin M. "Guida ai Minerali" Fabbri ed. Milano, 1981 and De Michele V. (1975) – Guida Mineralogica d’Italia – Ist. Geogr. De Agostini, Novara
      • Torino Province
        • Sesia-Lanzo zone
          • Lanzo Valley
            • Lanzo Massif
              • Balangero - Corio area
                • Malone Valley
    		Eur. J. Mineral. , 1989, 1, pp. 89-104.
    Eur. J. Mineral. , 1989, 1, pp. 89-104.
    Eur. J. Mineral (1989): 1: 89-104.
    Eur. J. Mineral. , 1989, 1, pp. 89-104.
            • Rocca Canavese
              • Orco Valley
    		Eur. J. Mineral. , 1989, 1, pp. 89-104.
    Eur. J. Mineral. , 1989, 1, pp. 89-104.
              • Soana valley
    		Eur. J. Mineral (1989): 1: 89-104.
    Eur. J. Mineral. , 1989, 1, pp. 89-104.
    • Tuscany
      • Grosseto Province
        • Giglio Island
    		Marinai, Nannoni, 1994. I minerali dell'Isola del Giglio. Circolo Culturale Gigliese.
      • Livorno Province
        • Livorno
    		Barsotti, G., & Nannoni, R. (2006). Rocce, minerali e miniere delle isole dell'Arcipelago Toscano. Pacini editore, 152 pp.
    Japan
     
    • Shikoku Island
    		No reference listed
    New Caledonia
     
    Slovakia
     
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    USA
     
    • Arizona
      • Apache Co.
        • Navajo Indian Reservation
          • Monument Valley
            • Dinnehotso
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 273, 318; Watson, K.D. & D.M. Morton (1969), Eclogite inclusions in kimberlite pipes at Garnet Ridge, northeastern AZ, Am.Min.: 54: 267-285.
    • California
    		Pelletier, 1962. Mineral Species & Localities of Marin County
        • Tiburon Peninsula
      • Mendocino Co.
        • Laytonville
      • San Benito Co.
        • New Idria District
    		T. Tsujimori et al., Paper N° 21-6, The Geological Society of America, Joint Meeting Cordilleran Section and Pacific Section, 101st Annual Meeting, 29 April-1 May 2005, San Jose, California.
    San Diego Natural History Museum
      • Santa Clara Co.
        • Diablo Range
          • Mount Hamilton
      • Sonoma Co.
    		Minerals of California - Pemberton
    • Washington
      • Snohomish Co.
        • Darrington
    		Minerals of Washington, Bart Cannon, 1975
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.