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Phillipsite-Ca Mineral Data + |
General Phillipsite-Ca Information |
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| (Ca,K,Na)1-2(Si,Al)8O16·6(H2O) | |||
| 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 | |||
| CaK0.6Na0.4Si5.2Al2.8O16·6(H2O) | |||
| Common zeolite in volcanic rocks, ore veins, diagenetically altered rhyolitic vitric tuffs, saline lake deposits, and ocean floor sediments. Shows solid solution toward harmotome. | |||
| Approved IMA 1998 (Dana # Added) | |||
| Lower Salt Lake Tuff, Puuloa Road near junction with Moanalua Road, Oahu, Hawaii. Link to MinDat.org Location Data. | |||
| Named after William Phillips (1775-1829), English mineralogist and founder of the Geological Society of London. The Ca-dominant member of the phillipsite series. | |||
| Abrazite | |||
| Cross stone | |||
| Wellsite-barian Phillipsite-Ca | |||
Search for Phillipsite-Ca Images | |||
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Phillipsite-Ca Crystallography |
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| a:b:c =0.7021:1:0.6141 | |||
| a = 9.9, b = 14.1, c = 8.66, Z = 2; beta = 124.75° V = 993.25 Den(Calc)= 2.20 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m | |||
| By Intensity(I/Io): 3.21(1), 7.16(1), 7.18(1), | |||
Physical Properties of Phillipsite-Ca |
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| [010] Distinct, [001] Indistinct | |||
| White, Reddish white, Light yellow, Pink. | |||
| 2.2 | |||
| Translucent to opaque | |||
| Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. | |||
| Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | |||
| Pseudo Tetragonal - Crystals show a tetragonal shape. | |||
| Twinning Common - Crystals are usually twinned. | |||
| 4-5 - Fluorite-Apatite | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Phillipsite-Ca |
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| 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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| 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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relectron=2.23 gm/cc |
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| Fermion Index = 0.0107 Boson Index = 0.9893 |
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PEPhillipsite-Ca = 2.33 barns/electron |
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| 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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| 77.1.3.6a (77)Tectosilicate Zeolite group | |||
| (77.1)true zeolites | |||
| (77.1.3)Gismondine and related species | |||
| 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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| NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | |||
| 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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