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Rapidcreekite Mineral Data + |
General Rapidcreekite Information |
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| Ca2(SO4)(CO3)·4(H2O) | |||
| Molecular Weight = 308.29 gm | |||
| Calcium 26.00 % Ca 36.38 % CaO | |||
| Hydrogen 2.62 % H 23.37 % H2O | |||
| Carbon 3.90 % C 14.28 % CO2 | |||
| Sulfur 10.40 % S 25.97 % SO3 | |||
| Oxygen 57.09 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Ca2(SO4)(CO3)·4(H2O) | |||
| Found in joint surfaces along a siderite iron formation. | |||
| Approved IMA 1986 | |||
| Rapid Creek, Big Fish river area, Yukon Territories, Canada. Link to MinDat.org Location Data. | |||
| Named for the locality. | |||
| ICSD 82493 | |||
| IMA1984-035 | |||
| PDF 39-351 | |||
Rapidcreekite Image | |||
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Rapidcreekite Crystallography |
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| a:b:c =0.8076:1:0.321 | |||
| a = 15.49, b = 19.18, c = 6.157, Z = 8; V = 1,829.23 Den(Calc)= 2.24 | |||
| Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pcnb | |||
| By Intensity(I/Io): 7.78(1), 3.11(0.8), 4.31(0.7), | |||
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Mouse |
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Physical Properties of Rapidcreekite |
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| [010] Perfect, [100] Good | |||
| Colorless, White. | |||
| 2.21 | |||
| Transparent | |||
| Acicular - Occurs as needle-like crystals. | |||
| 2 - Gypsum | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Rapidcreekite |
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| CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.004 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2329,KPDmeas= 0.236,KC= 0.232 |
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| Biaxial (+), a=1.516, b=1.518, g=1.531, bire=0.0150, 2V(Calc)=44, 2V(Meas)=45. | |||
Calculated Properties of Rapidcreekite |
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relectron=2.30 gm/cc |
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| Fermion Index = 0.00183 Boson Index = 0.99817 |
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PERapidcreekite = 3.86 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Rapidcreekite is Not Radioactive |
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Rapidcreekite Classification |
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| 32.2.1.1 (32)Compound Sulfates | |||
| (32.2)(hydrous) with simple bi-anionic formula | |||
| (32.2.1)Dana Group | |||
| VI/C.22-25 VI - Sulfates,Chromates,Molybdates and Tungstates | |||
| VI/C - Water-bearing sulfates without unfamiliar anions. Cations of very big size | |||
| VI/C.22 - Bassanite - Ardealite series | |||
Other Rapidcreekite Information |
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| NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Rapidcreekite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris Search for Rapidcreekite using: Visit our Advertisers for Rapidcreekite : Translate Rapidcreekite Mineral Data : Ask about Rapidcreekite here : Print or Cut-and-Paste your Rapidcreekite Specimen Label here :
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