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Phillipsite

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Big Photo

Phillipsite-K
Limberg Quarries, Sasbach, Kaiserstuhl, Baden-Württemberg, Germany
© JM. Johannet

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Colour:WhiteHardness:4 - 4½
Name:For William Phillips (1776-1829), British mineralogist.
Synonym of:Phillipsite-Ca, Phillipsite-K, Phillipsite-Na


Zeolite Group.

The original phillipsite mineral name now covers a range of series of minerals.

The original phillipsite material was from Acireale, Etna Volcanic Complex, Catania Province, Sicily, Italy.

See also the closely related flörkeite.

Classification of Phillipsite

Dana 8th edition ID:77.1.3.6

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites
Hey's CIM Ref.:16.10.11

16 : Silicates Containing Aluminum and other Metals
10 : Aluminosilicates of Ca and alkalis
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Physical Properties of Phillipsite

Lustre:Vitreous
Colour:White
Streak:White
Hardness (Mohs):4 - 4½
Density (measured):2.2 g/cm3
Density (calculated):2.242 g/cm3

Crystallography of Phillipsite

Crystal Atlas:
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Phillipsite no.1 - Goldschmidt (1913-1926)
Phillipsite no.20 - Goldschmidt (1913-1926)
Phillipsite no.41 - Goldschmidt (1913-1926)
Phillipsite no.52 - Goldschmidt (1913-1926)

About Crystal Atlas

You may need to scroll this box using your mouse to view the full instructions.

The mindat.org Crystal Atlas allows you to view a selection of crystal drawings of real and idealised crystal forms for this mineral and, in certain cases, 3d rotating crystal objects. You need Java to see these. You can download Java for free - click here to download Java

The 3d models and java code are kindly provided by www.smorf.nl. You can control the movement of the models by holding down the left mouse-button over the 3d model and moving your mouse. Keyboard controls are:

: default positions
t/T: decrease/increase transparency x/X: next/previous texture
b/B: next/previous background w: toggle wireframe
s: toggle sticks m: toggle miller indices
k: toggle crystallographic axes =/-: zoom in/out
r: stop/start rotation 1/2/3

Optical Data of Phillipsite

Type:Biaxial (+/-)
RI values: nα = 1.483 - 1.505 nβ = 1.484 - 1.511 nγ = 1.486 - 1.514
2V:Measured: 60° to 90°, Calculated: 70° to 72°
Maximum Birefringence:δ = 0.003 - 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 or r < v

Relationship of Phillipsite to other Species

Related Minerals - Hey's Index Grouping:

- +
16.10.1Bytownite
(Ca,Na)[Al(Al,Si)Si
 
2
O
 
8
]
16.10.2Lisetite
CaNa
 
2
Al
 
4
Si
 
4
O
 
16
16.10.4Thomsonite-Ca
NaCa
 
2
Al
 
5
Si
 
5
O
 
20
 · 6H
 
2
O
16.10.5Gonnardite
(Na,Ca)
 
2
(Si,Al)
 
5
O
 
10
 · 3H
 
2
O
16.10.6Mesolite
Na
 
2
Ca
 
2
Si
 
9
Al
 
6
O
 
30
 · 8H
 
2
O
16.10.7Faujasite
16.10.8Garronite
Na
 
2
Ca
 
5
Al
 
12
Si
 
20
O
 
64
 · 27H
 
2
O
16.10.9Boggsite
Ca
 
8
Na
 
3
(Si,Al)
 
96
O
 
192
 · 70H
 
2
O
16.10.10Herschelite
16.10.12Fedorite
(Na,K)
 
2-3
(Ca
 
4
Na
 
3
)Si
 
16
O
 
38
F
 
2
 · 3.5H
 
2
O
16.10.13Willhendersonite
KCa[Al
 
3
Si
 
3
O
 
12
] · 5H
 
2
O
16.10.14Barrerite
(Na,K,Ca
 
0.5
)
 
2
[Al
 
2
Si
 
7
O
 
18
] · 7H
 
2
O
16.10.15Mordenite
(Na
 
2
,Ca,K
 
2
)Al
 
2
Si
 
10
O
 
24
 · 7H
 
2
O
16.10.16Reyerite
(Na,K)
 
2
Ca
 
14
(Si,Al)
 
24
O
 
58
(OH)
 
8
 · 6H
 
2
O
16.10.17Lévyne
16.10.18Clinoptilolite
16.10.19Heulandite
16.10.20Gobbinsite
Na
 
4
(Ca,Mg,K
 
2
)Al
 
6
Si
 
10
O
 
32
 · 12H
 
2
O
16.10.21Stilbite
16.10.22Dachiardite
16.10.23Offretite
KCaMgAl
 
5
Si
 
13
O
 
36
 · 16H
 
2
O or near
16.10.24Perlialite
K
 
9
Na(Ca,Sr)[Al
 
2
Si
 
4
O
 
12
]
 
6
 · 15H
 
2
O
16.10.25Erionite
16.10.26Paulingite
16.10.27Sodium Dachiardite
(Na
 
2
,Ca,K
 
2
)
 
4-5
Al
 
8
Si
 
40
O
 
96
 · 26H
 
2
O
16.10.28Mazzite-Mg
K
 
2
Mg
 
2
Ca
 
1.5
Al
 
9.5
Si
 
26.5
O
 
72
 · 28H
 
2
O or near
16.10.29Roggianite
Ca
 
2
Be(OH)
 
2
Al
 
2
Si
 
4
O
 
13
 · 2.5H
 
2
O

Other Names for Phillipsite

Synonyms:
Christianite (of Des Cloizeaux)Kali-HarmotomeLime HarmotomeNormalinPhilipsite
Pseudo-Phillipsite
Other Languages:
German:Kalk-Kreuzstein
Philipsit
Phillipsit

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 Phillipsite

Reference List:

- +
Köhler, F. (1836): Zur Naturgeschichte des Kreuzsteins oder HAnnalen der Chemie und Physik, Vol. 37, pp. 560

Steinfink, H. (1962): The crystal structure of the zeolite, phillipsite. Acta Crystallogr., 15, 644-652.

Hentschel, G. (1989): Zur Vielgestaltigkeit des Phillipsit. Der Aufschluss 40, 153-164 (in German).

Gatta, G. D., Cappelletti, P. & Langella, A. (2010): Crystal-chemistry of phillipsites from the Neapolitan Yellow Tuff. European Journal of Mineralogy 22, 779-786.

Internet Links for Phillipsite

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    • Specimens:The following Phillipsite specimens are currently listed for sale on minfind.com.
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    • Localities for Phillipsite

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    New Locality Added: Mt Nelson quarry, Mt Nelson, Hobart, Tasmania, AustraliaFrom Ralph Bottrill, 13th Feb 2012 01:41:50