General Zaccagnaite Information![]() Zn4Al2(OH)12(CO3)•3(H2O) |
![]() Molecular Weight = 629.83 gm |
|
Aluminum 9.00 % Al 17.00 % Al2O3 |
|
Zinc 40.49 % Zn 50.40 % ZnO |
|
Hydrogen 2.88 % H 25.74 % H2O |
|
Carbon 1.91 % C 6.99 % CO2 |
|
Oxygen 45.73 % O |
|
______ ______ |
|
100.00 % 100.13 % = TOTAL OXIDE |
![]() Zn3.9Al2.1(OH)12(CO3)•3(H2O) |
![]() Hydrothermal alteration product of sphalerite and Al-rich fluids in calcite vein cavities within the Carrara marble. A member of the hydrotalcite-manasseite groups. |
![]() Approved IMA 1997 (Dana # Added) |
![]() Gioia quarry, Colonnata valley, Carrara basin region, Apuan Alps, Italy. Link to MinDat.org Location Data. |
![]() Named for Domenico Zaccagna (1851-1940) who published the first geologic map of the Apuan Alps and a collector of minerals from the Carrara Marble. |
![]() IMA1997-019 |
| | Zaccagnaite Image
|
![]()
|
|
![]()
|
Zaccagnaite Crystallography![]() a:c = 1:4.91895 |
![]() a = 3.0725, c = 15.1135, Z = 0.3333; V = 123.56 Den(Calc)= 2.82 |
![]() Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc |
![]() By Intensity(I/Io): 7.51(1)(002), 1.542(0.75)(108), 1.539(0.75)(110),3.794(0.5)(004), 1.83(0.4)(106), 2.175(0.4)(104), 2.511(0.4)(102), 1.89(0.25)(008), 2.65(0.25)(100), |
|
![]()
Mouse
|
| Physical Properties of Zaccagnaite![]() White, Colorless. |
![]() Transparent |
![]() Hexagonal - Six-sided crystal shape in cross-section or habit. |
![]() Microscopic Crystals - Crystals visible only with microscopes. |
![]() Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
![]() Vitreous (Glassy) |
![]() white |
| Optical Properties of Zaccagnaite![]() Uniaxial (?). |
|
NCalc= 1.61 - from Gladstone-Dale relationship (KC = 0.2171) where Ncalc=Dcalc*KC+1 |
| Calculated Properties of Zaccagnaite![]() Bulk Density (Electron Density)=2.80 gm/cc |
note: Specific Gravity of Zaccagnaite =2.82 gm/cc. ![]() Fermion Index = 0.01 |
Boson Index = 0.99 ![]() PEZaccagnaite = 19.89 barns/electron |
U=PEZaccagnaite x rElectron Density= 55.64 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Zaccagnaite is Not Radioactive | Zaccagnaite Classification![]() 16b.06.01.04 (16b)Carbonates - Hydroxyl or Halogen |
|
(16b.06)Dana Type |
|
(16b.06.01)Sjorgrenite-Hydrotalcite Group (Sojogrenite Subgroup:Hexagonal) |
|
|
|
|
![]() 05.DA.45 05 - CARBONATES (NITRATES) |
|
05.D - Carbonates with Additional Anions, with H2O |
|
05.DA -With medium-sized cations |
|
|
|
|
|
|
| Other Zaccagnaite Information![]() NAME( AmMin, Vol 86, p 1293-1301) PHYS. PROP.(AmMin, Vol 86, p 1293-1301) OPTIC PROP.(AmMin, Vol 86, p 1293-1301) |
![]() Links to other databases for Zaccagnaite : |
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 Zaccagnaite using: Visit our Advertisers for Zaccagnaite : A Bijoux Google Search for ZaccagnaiteAdam's Minerals Google Search for Zaccagnaite Cape Minerals Google Search for Zaccagnaite Dakota Matrix Minerals Google Search for Zaccagnaite Excalibur Mineral Corp. Google Search for Zaccagnaite Exceptional Minerals Google Search for Zaccagnaite John Betts Fine Minerals Search for Zaccagnaite McDougall Minerals Google Search for Zaccagnaite Mineral News Website Link Rock and Mineral Shows Google Search for Zaccagnaite Weinrich Minerals, Inc. Google Search for Zaccagnaite Ask about Zaccagnaite here : Print or Cut-and-Paste your Zaccagnaite Specimen Label here :
| |
|
| |