General Hydrodresserite Information![]() BaAl2(CO3)2(OH)4•3(H2O) |
![]() Molecular Weight = 433.38 gm |
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Barium 31.69 % Ba 35.38 % BaO |
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Aluminum 12.45 % Al 23.53 % Al2O3 |
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Hydrogen 2.33 % H 20.78 % H2O |
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Carbon 5.54 % C 20.31 % CO2 |
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Oxygen 47.99 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() BaAl2(CO3)2(OH)4•3(H2O) |
![]() Vugs in metamorphosed limestone, near the contact zone of a dawsonite-rich silicocarbonatite sill. |
![]() Approved IMA 1977 |
![]() Francon quarry, Montreal Island, Montreal, Quebec, Canada. Link to MinDat.org Location Data. |
![]() Named for essential water and characteristic dehydration to dresserite under low humidity conditions. |
![]() Hydrodresserite + Pronunciation |
![]() ![]() ICSD 201349 |
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IMA1976-036 |
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PDF 29-145 |
| | Hydrodresserite Image
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Hydrodresserite Crystallography![]() a:b:c =0.9373:1:0.5411 |
![]() a = 9.755, b = 10.407, c = 5.632, Z = 2; alpha = 95.695°, beta = 92.273°, gamma = 115.643° V = 512.50 Den(Calc)= 2.81 |
![]() Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 |
![]() By Intensity(I/Io): 8.52(1), 3.42(0.7), 3.1(0.6), |
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| Physical Properties of Hydrodresserite![]() {010} Perfect, {210} Perfect |
![]() Colorless, White. |
![]() 2.8 |
![]() Transparent |
![]() 3-4 - Calcite-Fluorite |
![]() Vitreous (Glassy) |
![]() white |
| Optical Properties of Hydrodresserite![]() CI meas= 0.03 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.037 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1998,KPDmeas= 0.2012,KC= 0.2075 Ncalc = 1.58 - 1.59 ![]() Biaxial (-), a=1.501, b=1.594, g=1.595, bire=0.0940, 2V(Calc)=10, 2V(Meas)=17. |
| Calculated Properties of Hydrodresserite![]() Bulk Density (Electron Density)=2.69 gm/cc |
note: Specific Gravity of Hydrodresserite =2.80 gm/cc. ![]() Fermion Index = 0.05 |
Boson Index = 0.95 ![]() PEHydrodresserite = 132.85 barns/electron |
U=PEHydrodresserite x rElectron Density= 357.05 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Hydrodresserite is Not Radioactive | Hydrodresserite Classification![]() 16b.02.02.01 (16b)Carbonates - Hydroxyl or Halogen |
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(16b.02)where (A)m (B)n (XO3)p Zq · x(H2O), with (m+n):p=3:2 |
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(16b.02.02)Dana Group |
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![]() 05.DB.15 05 - CARBONATES (NITRATES) |
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05.D - Carbonates with Additional Anions, with H2O |
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05.DB -With large and medium-sized cations |
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| Other Hydrodresserite Information![]() NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
![]() Links to other databases for Hydrodresserite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Hydrodresserite using: Visit our Advertisers for Hydrodresserite : A Bijoux Google Search for HydrodresseriteAdam's Minerals Google Search for Hydrodresserite Cape Minerals Google Search for Hydrodresserite Dakota Matrix Minerals Google Search for Hydrodresserite Excalibur Mineral Corp. Google Search for Hydrodresserite Exceptional Minerals Google Search for Hydrodresserite John Betts Fine Minerals Search for Hydrodresserite McDougall Minerals Google Search for Hydrodresserite Mineral News Website Link Rock and Mineral Shows Google Search for Hydrodresserite Weinrich Minerals, Inc. Google Search for Hydrodresserite Ask about Hydrodresserite here : Print or Cut-and-Paste your Hydrodresserite Specimen Label here :
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