General Harmotome Information![]() (Ba,Na,K)1-2(Si,Al)8O16•6(H2O) |
![]() Molecular Weight = 704.93 gm |
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Potassium 0.55 % K 0.67 % K2O |
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Barium 15.58 % Ba 17.40 % BaO |
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Sodium 0.65 % Na 0.88 % Na2O |
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Aluminum 7.66 % Al 14.46 % Al2O3 |
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Silicon 23.91 % Si 51.14 % SiO2 |
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Hydrogen 1.72 % H 15.33 % H2O |
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Oxygen 49.93 % O |
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100.00 % 99.89 % = TOTAL OXIDE |
![]() Ba0.8Na0.2K0.1Al2Si6O16•6(H2O) |
![]() Alteration product of basalt and similar eruptive rocks. |
![]() Valid Species (Pre-IMA) 1801 |
![]() Bodenmais in Bavaria, Germany. Link to MinDat.org Location Data. |
![]() From the Greek harmos - "I combine" and temseis - "I cut" alluding to the fact that the pyramid divides parallel to the plane that passes through the terminal edges. |
![]() Harmotome + Pronunciation |
![]() ![]() Andreasbergolite |
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Andreolite |
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Barytkreuzstein |
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ICSD 15460 |
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Kurtzite |
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PDF 39-1377 |
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Wellsite - Ca bearing |
| | Harmotome Image
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Harmotome Crystallography![]() a:b:c =0.6987:1:0.6148 |
![]() a = 9.879, b = 14.139, c = 8.693, Z = 2; beta = 55.166° V = 996.65 Den(Calc)= 2.35 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m |
![]() By Intensity(I/Io): 2.67(1), 2.7(1), 3.12(1), |
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| Physical Properties of Harmotome![]() {010} Good, {001} Fair |
![]() White, Gray, Yellow, Red, Brown. |
![]() 2.44 - 2.5, Average = 2.46 |
![]() Subtransparent to translucent |
![]() Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. |
![]() Cruciform - Twinned tabular crystals with a cross-like outline. |
![]() Striated - Parallel lines on crystal surface or cleavage face. |
![]() Twinning Common - Crystals are usually twinned. |
![]() 4-5 - Fluorite-Apatite |
![]() Non-fluorescent. |
![]() Vitreous (Glassy) |
![]() white |
| Optical Properties of Harmotome![]() CI meas= 0.043 (Good) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.006 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.215,KPDmeas= 0.2046,KC= 0.2137 Ncalc = 1.5 - 1.53 ![]() Biaxial (+), a=1.503, b=1.505, g=1.508, bire=0.0050, 2V(Calc)=80, 2V(Meas)=43. Dispersion none. |
| Calculated Properties of Harmotome![]() Bulk Density (Electron Density)=2.31 gm/cc |
note: Specific Gravity of Harmotome =2.35 gm/cc. ![]() Fermion Index = 0.03 |
Boson Index = 0.97 ![]() PEHarmotome = 64.75 barns/electron |
U=PEHarmotome x relectron= 149.76 barns/cc. ![]() |
GRapi = 7.87 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Harmotome | Harmotome Classification![]() 77.01.03.05 (77)Tectosilicate Zeolite group |
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(77.01)true zeolites |
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(77.01.03)Gismondine and related species |
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![]() 09.GC.10 09 - SILICATES (Germanates) |
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09.G - Tektosilicates with Zeolitic H2O |
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09.GC -Chains of doubly-connected 4-membered rings |
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| Other Harmotome Information![]() NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) |
![]() Links to other databases for Harmotome : |
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 - Am. Min. Crystal Structure Database 4 - Amethyst Galleries' Mineral Gallery 5 - Athena 6 - EUROmin Project 7 - Ecole des Mines de Paris 8 - GeoScienceWorld 9 - Google Images 10 - Google Scholar 11 - Handbook of Mineralogy (MinSocAm) 12 - Handbook of Mineralogy (UofA) 13 - MinDAT 14 - Mineralienatlas (Deutsch) 15 - Online Mineral Museum 16 - QUT Mineral Atlas 17 - Ruff.Info 18 - WWW-MINCRYST Search for Harmotome using: Visit our Advertisers for Harmotome : A Bijoux Google Search for HarmotomeAdam's Minerals Google Search for Harmotome Cape Minerals Google Search for Harmotome Dakota Matrix Minerals Google Search for Harmotome Excalibur Mineral Corp. Google Search for Harmotome Exceptional Minerals Google Search for Harmotome John Betts Fine Minerals Search for Harmotome McDougall Minerals Google Search for Harmotome Mineral News Website Link Rock and Mineral Shows Google Search for Harmotome Weinrich Minerals, Inc. Google Search for Harmotome Ask about Harmotome here : Print or Cut-and-Paste your Harmotome Specimen Label here :
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