Phillipsite-Ca Mineral Data + 
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- 77.1.3.1 Gismondine Ca2Al4Si4O16·9(H2O) P 21/c 2/m
- 77.1.3.2 Amicite K2Na2Al4Si4O16·5(H2O) I2 2
- 77.1.3.3 Garronite Na2Ca5Al12Si20O64·27(H2O) I 41/a 4/m
- 77.1.3.4 Gobbinsite (Na2,Ca)2K2Al6Si10O32·12(H2O) P mn21 mm2
- 77.1.3.5 Harmotome (Ba,Na,K)1-2(Si,Al)8O16·6(H2O) P 21/m 2/m
- 77.1.3.6 Phillipsite-Na (Na,K,Ca)1-2(Si,Al)8O16·6(H2O) P 21/m 2/m
- 77.1.3.6a Phillipsite-Ca ! (Ca,K,Na)1-2(Si,Al)8O16·6(H2O) P 21/m 2/m
- 77.1.3.6b Phillipsite-K! (K,Na,Ca)1-2(Si,Al)8O16·6(H2O) P 21/m 2/m
- 77.1.3.8 Perlialite K8Tl4Al12Si24O72·20(H2O) P 6/mmm 6/m 2/m 2/m
- 77.1.3.9 Paulingite-K (K2,Ca,Na2,Ba)5Al10Si35O90·45(H2O) Im3m 4/m 3 2/m
- 77.1.3.9a Paulingite-Na! (Na2,K2,Ca,Ba)5Al10Si35O90·45(H2O) Im3m 4/m 3 2/m
- 77.1.3.9b Paulingite-Ca! (Ca,K,Na,Ba)5[Al10Si35O84]·34(H2O) Im3m 4/m 3 2/m
- 77.1.3.10 Mazzite K2CaMg2(Al,Si)36O72·28(H2O) P 63/mmc 6/m 2/m 2/m
- 77.1.3.11 Merlinoite (K,Ca,Na,Ba)7Si23Al9O64·23(H2O) I mmm 2/m 2/m 2/m
- 77.1.3.12 Montesommaite (K,Na)9Al9Si23O64·10(H2O) F dd2 mm2
- VIII/J.25-10 Amicite K2Na2Al4Si4O16·5(H2O) I2 2
- VIII/J.25-20 Gismondine Ca2Al4Si4O16·9(H2O) P 21/c 2/m
- VIII/J.25-30 Gobbinsite (Na2,Ca)2K2Al6Si10O32·12(H2O) P mn21 mm2
- VIII/J.25-40 Garronite Na2Ca5Al12Si20O64·27(H2O) I 41/a 4/m
- VIII/J.25-50 Phillipsite-Na (Na,K,Ca)1-2(Si,Al)8O16·6(H2O) P 21/m 2/m
- VIII/J.25-55 Phillipsite-K! (K,Na,Ca)1-2(Si,Al)8O16·6(H2O) P 21/m 2/m
- VIII/J.25-60 Phillipsite-Ca (Ca,K,Na)1-2(Si,Al)8O16·6(H2O) P 21/m 2/m
- VIII/J.25-70 Harmotome (Ba,Na,K)1-2(Si,Al)8O16·6(H2O) P 21/m 2/m
- VIII/J.25-75 Montesommaite (K,Na)9Al9Si23O64·10(H2O) F dd2 mm2
- VIII/J.25-80 Merlinoite (K,Ca,Na,Ba)7Si23Al9O64·23(H2O) I mmm 2/m 2/m 2/m
- VIII/J.25-90 Yugawaralite CaAl2Si6O16·4(H2O) Pc m
General Phillipsite-Ca Information |
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 Chemical Formula: |
(Ca,K,Na)1-2(Si,Al)8O16·6(H2O) | ||
| Composition: |
Molecular Weight = 658.41 gm | ||
| Potassium 3.56 % K 4.29 % K2O | |||
| Sodium 1.40 % Na 1.88 % Na2O | |||
| Calcium 6.09 % Ca 8.52 % CaO | |||
| Aluminum 11.47 % Al 21.68 % Al2O3 | |||
| Silicon 22.18 % Si 47.45 % SiO2 | |||
| Hydrogen 1.84 % H 16.42 % H2O | |||
| Oxygen 53.46 % O | |||
| ______ ______ | |||
| 100.00 % 100.24 % = TOTAL OXIDE | |||
| Empirical Formula: |
CaK0.6Na0.4Si5.2Al2.8O16·6(H2O) | ||
| Environment: |
Common zeolite in volcanic rocks, ore veins, diagenetically altered rhyolitic vitric tuffs, saline lake deposits, and ocean floor sediments. Shows solid solution toward harmotome. | ||
| IMA Status: |
Approved IMA 1998 (Dana # Added) | ||
| Locality: |
Lower Salt Lake Tuff, Puuloa Road near junction with Moanalua Road, Oahu, Hawaii. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named after William Phillips (1775-1829), English mineralogist and founder of the Geological Society of London. The Ca-dominant member of the phillipsite series. | ||
| Synonym: |
Abrazite | ||
| Cross stone | |||
| Wellsite-barian Phillipsite-Ca | |||
Search for Phillipsite-Ca Images | |||
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Images:
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Phillipsite-Ca Crystallography |
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| Axial Ratios: |
a:b:c =0.7021:1:0.6141 | ||
| Cell Dimensions: |
a = 9.9, b = 14.1, c = 8.66, Z = 2; beta = 124.75° V = 993.25 Den(Calc)= 2.20 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.21(1), 7.16(1), 7.18(1), | ||
Physical Properties of Phillipsite-Ca |
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| Cleavage: |
[010] Distinct, [001] Indistinct | ||
| Color: |
White, Reddish white, Light yellow, Pink. | ||
| Density: |
2.2 | ||
| Diaphaniety: |
Translucent to opaque | ||
| Fracture: |
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. | ||
| Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | ||
| Habit: |
Pseudo Tetragonal - Crystals show a tetragonal shape. | ||
| Habit: |
Twinning Common - Crystals are usually twinned. | ||
| Hardness: |
4-5 - Fluorite-Apatite | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Phillipsite-Ca |
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| Gladstone-Dale: |
CI meas= 0.014 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.014 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.226,KPDmeas= 0.226,KC= 0.2293 |
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| Optical Data: |
Biaxial (+/-), a=1.483-1.505, b=1.484-1.511, g=1.486-1.514, bire=0.0030-0.0090, 2V(Calc)=70-72, 2V(Meas)=60-90. Dispersion r > v or r < v. | ||
Calculated Properties of Phillipsite-Ca |
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| Electron Density: |
relectron=2.23 gm/cc |
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| Fermion Index |
Fermion Index = 0.0107 Boson Index = 0.9893 |
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| Photoelectric: |
PEPhillipsite-Ca = 2.33 barns/electron |
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| Radioactivity: |
GRapi = 52.02 (Gamma Ray American Petroleum Institute Units) Estimated Radioactivity from Phillipsite-Ca |
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Phillipsite-Ca Classification |
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| Dana Class: |
77.1.3.6a (77)Tectosilicate Zeolite group | ||
| (77.1)true zeolites | |||
| (77.1.3)Gismondine and related species | |||
| Strunz Class: |
VIII/J.25-60 VIII - Silicates | ||
| VIII/J - Tectosilicates (network), with zeolite-structure, Bladed Zeolites | |||
| VIII/J.25 - Zeolite group, Amicite - Phillipsite - Yugawaralite series | |||
Other Phillipsite-Ca Information |
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| References: |
NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | ||
| See Also: |
Links to other databases for Phillipsite-Ca : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas Search for Phillipsite-Ca using: Visit our Advertisers for Phillipsite-Ca : Translate Phillipsite-Ca Mineral Data : Ask about Phillipsite-Ca here : Print or Cut-and-Paste your Phillipsite-Ca Specimen Label here :
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- barely detectable 
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