General Strontiodresserite Information![]() (Sr,Ca)Al2(CO3)2(OH)4•(H2O) |
![]() Molecular Weight = 335.76 gm |
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Strontium 19.57 % Sr 23.15 % SrO |
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Calcium 2.98 % Ca 4.18 % CaO |
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Aluminum 16.07 % Al 30.37 % Al2O3 |
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Hydrogen 1.80 % H 16.10 % H2O |
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Carbon 7.15 % C 26.21 % CO2 |
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Oxygen 52.42 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
![]() Sr0.75Ca0.25Al2(CO3)2(OH)4•(H2O) |
![]() Crystalline coating in vugs in a silicocarbonatite sill. |
![]() Approved IMA 1977 |
![]() Francon quarry, Montreal Island, Montreal, Quebec, Canada. Link to MinDat.org Location Data. |
![]() Named as the strontium analog of dresserite. |
![]() IMA1977-005 |
| | Strontiodresserite Image
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Strontiodresserite Crystallography![]() a:b:c =0.5744:1:0.3516 |
![]() a = 9.14, b = 15.91, c = 5.594, Z = 4; V = 813.46 Den(Calc)= 2.74 |
![]() Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pbmm |
![]() By Intensity(I/Io): 7.93(1), 4.39(0.8), 3.002(0.7), |
| Physical Properties of Strontiodresserite![]() White. |
![]() 2.71 |
![]() Transparent |
![]() 2-3 - Gypsum-Calcite |
![]() Vitreous (Glassy) |
![]() white |
| Optical Properties of Strontiodresserite![]() CI meas= 0.035 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.046 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2054,KPDmeas= 0.2076,KC= 0.2152 Ncalc = 1.58 - 1.59 ![]() Biaxial (-), a=1.51, b=1.583, g=1.595, bire=0.0850, 2V(Calc)=42, 2V(Meas)=42.5. |
| Calculated Properties of Strontiodresserite![]() Bulk Density (Electron Density)=2.67 gm/cc |
note: Specific Gravity of Strontiodresserite =2.71 gm/cc. ![]() Fermion Index = 0.01 |
Boson Index = 0.99 ![]() PEStrontiodresserite = 21.97 barns/electron |
U=PEStrontiodresserite x rElectron Density= 58.68 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Strontiodresserite is Not Radioactive | Strontiodresserite Classification![]() 16b.02.01.03 (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.02.01)Dundasite Group |
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![]() 05.DB.10 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 Strontiodresserite Information![]() NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
![]() Links to other databases for Strontiodresserite : |
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 Search for Strontiodresserite using: Visit our Advertisers for Strontiodresserite : A Bijoux Google Search for StrontiodresseriteAdam's Minerals Google Search for Strontiodresserite Cape Minerals Google Search for Strontiodresserite Dakota Matrix Minerals Google Search for Strontiodresserite Excalibur Mineral Corp. Google Search for Strontiodresserite Exceptional Minerals Google Search for Strontiodresserite John Betts Fine Minerals Search for Strontiodresserite McDougall Minerals Google Search for Strontiodresserite Mineral News Website Link Rock and Mineral Shows Google Search for Strontiodresserite Weinrich Minerals, Inc. Google Search for Strontiodresserite Ask about Strontiodresserite here : Print or Cut-and-Paste your Strontiodresserite Specimen Label here :
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