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Georgeite Mineral Data
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General Georgeite Information
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 Chemical Formula: |
Cu++5(CO3)3(OH)4•6(H2O) |
| Composition: |
Molecular Weight = 639.86 gm |
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Copper 49.66 % Cu 62.16 % CuO |
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Hydrogen 2.21 % H 19.71 % H2O |
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Carbon 5.63 % C 20.63 % CO2 |
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Oxygen 42.51 % O |
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______ ______ |
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100.00 % 102.50 % = TOTAL OXIDE |
| Empirical Formula: |
Cu5(CO3)3(OH)2•6(H2O) |
| Environment: |
Amorphous analog of malachite. Weathered tremolitic rock that contains disseminated copper and iron sulfides. |
| IMA Status: |
Approved IMA 1979 |
| Locality: |
Carr Boyd mine, 100 km N of Kalgoorlie, WA, Australia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for George Herbert Payne (1912-1989), past chief of the mineral division, Western Australian Government Chemical Laboratories. |
| Name Pronunciation: |
Georgeite + Pronunciation  |
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Georgeite Image |
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Images:
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Georgeite Crystallography
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| Crystal System: |
Amorphous- No Crystals |
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Physical Properties of Georgeite
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| Color: |
Light blue. |
| Density: |
2.55 |
| Diaphaneity: |
Transparent to Subopaque |
| Habit: |
Encrustations - Forms crust-like aggregates on matrix. |
| Hardness: |
1-2 - Between Talc and Gypsum |
| Luster: |
Vitreous - Dull |
| Streak: |
light blue |
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Optical Properties of Georgeite
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| Gladstone-Dale: |
CI meas= -0.076 (Fair) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2325,KC= 0.2162
Ncalc = 1.55 |
| Optical Data: |
Isotropic, n=1.593. |
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Calculated Properties of Georgeite
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| Electron Density: |
Bulk Density (Electron Density)=2.49 gm/cc
note: Specific Gravity of Georgeite =2.55 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0008267926
Boson Index = 0.9991732074 |
| Photoelectric: |
PEGeorgeite = 21.50 barns/electron
U=PEGeorgeite x rElectron Density= 53.65 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Georgeite is Not Radioactive |
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Georgeite Classification
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| Dana Class: |
16a.03.03.01 (16a)Carbonates - Hydroxyl or Halogen |
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(16a.03)where (A B)2 (XO3) Zq |
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(16a.03.03)Dana Group |
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16a.03.03.01 Georgeite Cu5(CO3)3(OH)4•6(H2O) None |
| Strunz Class: |
05.BA.10 05 - CARBONATES (NITRATES) |
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05.B - Carbonates with additional anions, without H2O |
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05.BA -With Cu, Co, Ni, Zn, Mg, Mn |
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05.BA.10 Nullaginite Ni2(CO3)(OH)2 P 21/m,P 21 Mono |
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05.BA.10 Georgeite Cu5(CO3)3(OH)4•6(H2O) None |
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05.BA.10 Malachite Cu2(CO3)(OH)2 P 21/a 2/m |
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05.BA.10 Glaukosphaerite (Cu,Ni)2(CO3)(OH)2 P 21/a 2/m |
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05.BA.10 Mcguinnessite (Mg,Cu)2(CO3)(OH)2 P 2/a or P 21/a 2/m |
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05.BA.10 Kolwezite (Cu,Co)2(CO3)(OH)2 P1 or P1 Tri |
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05.BA.10 Pokrovskite Mg2(CO3)(OH)2•0.5(H2O) P 21/a 2/m |
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05.BA.10 Rosasite (Cu,Zn)2(CO3)(OH)2 P 21/a 2/m |
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05.BA.10 Zincrosasite (Zn,Cu)2(CO3)(OH)2 P 21/a 2/m |
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05.BA.10 Chukanovite! Fe2(CO3)(OH)2 P 21/a 2/m |
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Other Georgeite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
| See Also: |
Links to other databases for Georgeite :
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
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Print or Cut-and-Paste your Georgeite Specimen Label here :
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Georgeite
Cu++5(CO3)3(OH)4•6(H2O)
Dana No: 16a.03.03.01 Strunz No: 05.BA.10
Locality:
Notes:
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