General Clearcreekite Information Chemical Formula: |
Hg+3(CO3)(OH)•2(H2O) |
Composition: |
Molecular Weight = 694.86 gm |
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Mercury 83.72 % Hg 87.06 % Hg2O |
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Hydrogen 0.74 % H 6.61 % H2O |
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Carbon 1.73 % C 6.33 % CO2 |
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Oxygen 13.82 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Hg2.9(CO3)(OH)0.9•2.1(H2O) |
Environment: |
Magnesite-quartz boulder in the prospect pit. Polymorph of peterbaylissite |
IMA Status: |
Approved IMA 1999 (Dana # Added) |
Locality: |
Prospect pit near the former Clear Creek mercury mine, New Idria district, San Benito County, California, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Synonym: |
IMA1999-003 |
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Images:
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| | Clearcreekite Crystallography Axial Ratios: |
a:b:c =0.7056:1:1.141 |
Cell Dimensions: |
a = 6.76, b = 9.58, c = 10.931, Z = 4; beta = 105.53° V = 682.06 Den(Calc)= 6.77 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c |
X Ray Diffraction: |
By Intensity(I/Io): 2.767(1)(221,220,131), 2.831(1)(023,211), 4.62(0.9)(012),
7.09(0.7)(011), 2.391(0.4)(040,204), 5.32(0.4)(111), 1.692(0.3)(244,
| | Physical Properties of Clearcreekite Cleavage: |
{001} Good |
Color: |
Pale greenish yellow. |
Diaphaneity: |
Transparent |
Fracture: |
Brittle - Uneven - Very brittle fracture producing uneven fragments. |
Habit: |
Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape. |
Habit: |
Tabular - Form dimensions are thin in one direction. |
Luster: |
Vitreous (Glassy) |
Streak: |
pale greenish yellow |
| Optical Properties of Clearcreekite Optical Data: |
Biaxial (?) |
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NCalc= 2.09 - from Gladstone-Dale relationship (KC = 0.1612) where Ncalc=Dcalc*KC+1 |
| Calculated Properties of Clearcreekite Electron Density: |
Bulk Density (Electron Density)=5.67 gm/cc |
note: Specific Gravity of Clearcreekite =6.77 gm/cc. Fermion Index: |
Fermion Index = 0.25 |
Boson Index = 0.75 Photoelectric: |
PEClearcreekite =1,414.27 barns/electron |
U=PEClearcreekite x rElectron Density=8,022.28 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Clearcreekite is Not Radioactive | Clearcreekite Classification Dana Class: |
16b.04.04.02 (16b)Carbonates - Hydroxyl or Halogen |
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(16b.04)where (A)m (B)n (XO3)p Zq · x(H2O), with (m+n):p=8:1 |
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(16b.04.04)Dana Group |
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Strunz Class: |
05.DC.30 05 - CARBONATES (NITRATES) |
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05.D - Carbonates with Additional Anions, with H2O |
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05.DC -With large cations |
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| Other Clearcreekite Information References: |
NAME( AmMin, Vol 87, p 355) PHYS. PROP.(AmMin, Vol 87, p 355) |
See Also: |
Links to other databases for Clearcreekite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (MinSocAm) 7 - Handbook of Mineralogy (UofA) 8 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Clearcreekite using: Visit our Advertisers for Clearcreekite : A Bijoux Google Search for ClearcreekiteAdam's Minerals Google Search for Clearcreekite Cape Minerals Google Search for Clearcreekite Dakota Matrix Minerals Google Search for Clearcreekite Excalibur Mineral Corp. Google Search for Clearcreekite Exceptional Minerals Google Search for Clearcreekite John Betts Fine Minerals Search for Clearcreekite McDougall Minerals Google Search for Clearcreekite Mineral News Website Link Rock and Mineral Shows Google Search for Clearcreekite Weinrich Minerals, Inc. Google Search for Clearcreekite Ask about Clearcreekite here : Print or Cut-and-Paste your Clearcreekite Specimen Label here :
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