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Scarbroite Mineral Data |
General Scarbroite Information |
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Al5(CO3)(OH)13•5(H2O) | ||
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Molecular Weight = 506.09 gm | ||
Aluminum 26.66 % Al 50.37 % Al2O3 | |||
Hydrogen 4.58 % H 40.94 % H2O | |||
Carbon 2.37 % C 8.70 % CO2 | |||
Oxygen 66.39 % O | |||
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100.00 % 100.00 % = TOTAL OXIDE | |||
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Al5(CO3)(OH)13•5(H2O) | ||
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In vertical fissures in sandstone. | ||
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Approved IMA 1960 | ||
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South Bay, Scarborough, England. Link to MinDat.org Location Data. | ||
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Named after the locality. | ||
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Scarbroite + Pronunciation ![]() |
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Scarbroite Image | |||
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Scarbroite Crystallography |
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a:b:c =0.668:1:1.7788 | ||
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a = 9.94, b = 14.88, c = 26.47, Z = 9; alpha = 98.7°, beta = 96.5°, gamma = 89° V = 3,844.59 Den(Calc)= 1.97 | ||
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Triclinic Space Group: P1 or P1 | ||
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By Intensity(I/Io): 8.64(1), 1.43(0.8), 4.32(0.8), | ||
Physical Properties of Scarbroite |
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White. | ||
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1.85 - 2.05, Average = 1.95 | ||
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Microscopic Crystals - Crystals visible only with microscopes. | ||
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Platy - Sheet forms (e.g. micas). | ||
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Pseudo Rhombohedral - Crystals show a rhombohedral outline. | ||
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1-2 - Between Talc and Gypsum | ||
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white | ||
Optical Properties of Scarbroite |
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CI meas= 0.003 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2584,KPDmeas= 0.261,KC= 0.2618 Ncalc = 1.48 - 1.54 |
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Biaxial (?), b=1.509 | ||
Calculated Properties of Scarbroite |
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Bulk Density (Electron Density)=2.02 gm/cc note: Specific Gravity of Scarbroite =1.95 gm/cc. |
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Fermion Index = 0.0005866014 Boson Index = 0.9994133986 |
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PEScarbroite = 0.92 barns/electron U=PEScarbroite x rElectron Density= 1.87 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Scarbroite is Not Radioactive |
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Scarbroite Classification |
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16b.07.08.01 (16b)Carbonates - Hydroxyl or Halogen | ||
(16b.07)Dana Type | |||
(16b.07.08)Dana Group | |||
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05.DA.35 05 - CARBONATES (NITRATES) | ||
05.D - Carbonates with Additional Anions, with H2O | |||
05.DA -With medium-sized cations | |||
Other Scarbroite Information |
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NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
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Links to other databases for Scarbroite : 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 Scarbroite using: Visit our Advertisers for Scarbroite : Ask about Scarbroite here : Print or Cut-and-Paste your Scarbroite Specimen Label here :
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