General Rapidcreekite Information![]() 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. |
![]() Rapidcreekite + Pronunciation |
![]() ![]() ICSD 82493 |
|
IMA1984-035 |
|
PDF 39-351 |
| | Rapidcreekite Image
|
![]()
|
Rapidcreekite Crystallography![]() 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), |
|
![]()
Mouse
|
| Physical Properties of Rapidcreekite![]() {010} Perfect, {100} Good |
![]() Colorless, White. |
![]() 2.21 |
![]() Transparent |
![]() Acicular - Occurs as needle-like crystals. |
![]() 2 - Gypsum |
![]() Vitreous (Glassy) |
![]() white |
| Optical Properties of Rapidcreekite![]() 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 Ncalc = 1.51 - 1.52 ![]() Biaxial (+), a=1.516, b=1.518, g=1.531, bire=0.0150, 2V(Calc)=44, 2V(Meas)=45. |
| Calculated Properties of Rapidcreekite![]() Bulk Density (Electron Density)=2.30 gm/cc |
note: Specific Gravity of Rapidcreekite =2.24 gm/cc. ![]() Fermion Index = 0.0018375981 |
Boson Index = 0.9981624019 ![]() PERapidcreekite = 3.86 barns/electron |
U=PERapidcreekite x rElectron Density= 8.86 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Rapidcreekite is Not Radioactive | Rapidcreekite Classification![]() 32.02.01.01 (32)Compound Sulfates |
|
(32.02)(hydrous) with simple bi-anionic formula |
|
(32.02.01)Dana Group |
|
![]() 07.DG.20 07 - SULFATES (SELENATES, TELLURATES) |
|
07.D - Sulfates (selenates, etc.) with additional anions, with H2O |
|
07.DG -With large and medium sized cations; with NO3, CO3, B(OH)4, SiO4 or IO3 |
|
| Other Rapidcreekite Information![]() 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 - 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 Rapidcreekite using: Visit our Advertisers for Rapidcreekite : A Bijoux Google Search for RapidcreekiteAdam's Minerals Google Search for Rapidcreekite Cape Minerals Google Search for Rapidcreekite Dakota Matrix Minerals Google Search for Rapidcreekite Excalibur Mineral Corp. Google Search for Rapidcreekite Exceptional Minerals Google Search for Rapidcreekite John Betts Fine Minerals Search for Rapidcreekite McDougall Minerals Google Search for Rapidcreekite Mineral News Website Link Rock and Mineral Shows Google Search for Rapidcreekite Weinrich Minerals, Inc. Google Search for Rapidcreekite Ask about Rapidcreekite here : Print or Cut-and-Paste your Rapidcreekite Specimen Label here :
| |
|
| |