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Hyalophane Mineral Data + |
General Hyalophane Information |
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| (K,Ba)Al(Si,Al)3O8 | |||
| Molecular Weight = 302.06 gm | |||
| Potassium 9.71 % K 11.69 % K2O | |||
| Barium 11.37 % Ba 12.69 % BaO | |||
| Aluminum 15.63 % Al 29.54 % Al2O3 | |||
| Silicon 20.92 % Si 44.76 % SiO2 | |||
| Oxygen 42.37 % O | |||
| ______ ______ | |||
| 100.00 % 98.68 % = TOTAL OXIDE | |||
| K0.75Ba0.25Al1.75Si2.25O8 | |||
| Magmatic and contact metamorphic. | |||
| Valid Species (Pre-IMA) 1855 | |||
| Imfield, Switzerland. Link to MinDat.org Location Data. | |||
| From the Greek hyalos - "glass" and phanos - "to appear." | |||
| ICSD 31192 | |||
| PDF 19-3 | |||
Hyalophane Image | |||
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Hyalophane Crystallography |
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| a:b:c =0.6579:1:0.5513 | |||
| a = 8.52, b = 12.95, c = 7.14, Z = 4; beta = 116° V = 708.06 Den(Calc)= 2.83 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m | |||
| By Intensity(I/Io): 3.24(1), 3.31(0.9), 3(0.7), | |||
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Physical Properties of Hyalophane |
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| [001] Perfect, [010] Imperfect | |||
| Colorless, Yellow, White, Red. | |||
| 2.81 | |||
| Transparent to translucent | |||
| Brittle - Generally displayed by glasses and most non-metallic minerals. | |||
| Crystalline - Fine - Occurs as well-formed fine sized crystals. | |||
| Massive - Uniformly indistinguishable crystals forming large masses. | |||
| 6-6.5 - Orthoclase-Pyrite | |||
| None. | |||
| Vitreous (Glassy) | |||
| Nonmagnetic | |||
| white | |||
Optical Properties of Hyalophane |
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| CI meas= -0.002 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.005 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1925,KPDmeas= 0.1938,KC= 0.1934 |
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| Biaxial (-), a=1.542, b=1.545, g=1.547, bire=0.0050 | |||
| colorless. | |||
| colorless. | |||
| colorless. | |||
Calculated Properties of Hyalophane |
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relectron=2.73 gm/cc |
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| Fermion Index = 0.03024 Boson Index = 0.96976 |
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PEHyalophane = 49.24 barns/electron |
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| GRapi = 135.85 (Gamma Ray American Petroleum Institute Units) Estimated Radioactivity from Hyalophane |
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Hyalophane Classification |
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| 76.1.1.3 (76)Tectosilicate Al-Si Framework | |||
| (76.1)with Al-Si frameworks | |||
| (76.1.1)K (Na,Ba) feldspars | |||
| VIII/J.06-50 VIII - Silicates | |||
| VIII/J - Tectosilicates (network) without anions unfamiliar to the tetraheders | |||
| VIII/J.06 - Feldspar group, Buddingtonite - Orthoclase - Slawsonite series | |||
Other Hyalophane Information |
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| NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) | |||
| Links to other databases for Hyalophane : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 - Franklin Minerals(Dunn) 6 - Franklin Minerals(Palache) 7 -Google Images 8 -Google Scholar 9 -Handbook of Mineralogy (MinSocAm) 10 -Handbook of Mineralogy (UofA) 11 - HyperPhysics 12 -MinDAT 13 -MinMax(Deutsch) 14 -MinMax(English) 15 - Mineral and Gemstone Kingdom 16 -Mineralienatlas (Deutsch) 17 -QUT Mineral Atlas 18 - WWW-MINCRYST 19 -École des Mines de Paris Search for Hyalophane using: Visit our Advertisers for Hyalophane : Translate Hyalophane Mineral Data : Ask about Hyalophane here : Print or Cut-and-Paste your Hyalophane Specimen Label here :
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