General Minguzzite Information Chemical Formula: |
K3Fe+++(C2O4)3•3(H2O) |
Composition: |
Molecular Weight = 491.25 gm |
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Potassium 23.88 % K 28.76 % K2O |
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Iron 11.37 % Fe 16.25 % Fe2O3 |
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Hydrogen 1.23 % H 11.00 % H2O |
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Carbon 14.67 % C 43.98 % C2O3 |
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Oxygen 48.85 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
K3Fe3+(C2O4)3•3(H2O) |
Environment: |
In limonite. |
IMA Status: |
Valid Species (Pre-IMA) 1955 |
Locality: |
Cape Calamita, Elba, Tuscany, Italy. Link to MinDat.org Location Data. |
Name Origin: |
Named for Carlo Minguzzi (1910-1953), Italian mineralogist and professor, University of Pavia. |
Name Pronunciation: |
Minguzzite + Pronunciation |
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Images:
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| | Minguzzite Crystallography Axial Ratios: |
a:b:c =0.3855:1:0.5168 |
Cell Dimensions: |
a = 7.66, b = 19.87, c = 10.27, Z = 4; beta = 105.1° V = 1,509.17 Den(Calc)= 2.16 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c |
X Ray Diffraction: |
By Intensity(I/Io): 6.9(1), 2.18(0.65), 3.61(0.65), |
Crystal Structure:
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Mouse
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| Physical Properties of Minguzzite Cleavage: |
{010} Perfect |
Color: |
Green, Yellow green. |
Density: |
2.092 - 2.142, Average = 2.11 |
Habit: |
Tabular - Form dimensions are thin in one direction. |
Luster: |
Vitreous (Glassy) |
| Optical Properties of Minguzzite Gladstone-Dale: |
CI meas= -0.791 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.756 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2546,KPDmeas= 0.2597,KC= 0.145 Ncalc = 1.3 - 1.31 Optical Data: |
Biaxial (-), a=1.498-1.501, b=1.554-1.555, g=1.594-1.597, bire=0.0960, 2V(Calc)=76-80, 2V(Meas)=78. |
Pleochroism (x): |
yellow green. |
Pleochroism (y): |
emerald green. |
Pleochroism (z): |
emerald green. |
| Calculated Properties of Minguzzite Electron Density: |
Bulk Density (Electron Density)=2.15 gm/cc |
note: Specific Gravity of Minguzzite =2.16 gm/cc. Fermion Index: |
Fermion Index = 0.004288805 |
Boson Index = 0.995711195 Photoelectric: |
PEMinguzzite = 5.87 barns/electron |
U=PEMinguzzite x relectron= 12.65 barns/cc. Radioactivity: |
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GRapi = 343.65 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Minguzzite - barely detectable | Minguzzite Classification Dana Class: |
50.01.04.01 (50)Salts of Organic Acids |
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(50.01)(Oxalates) |
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(50.01.04)Dana Group |
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Strunz Class: |
10.AB.25 10 - ORGANIC COMPOUNDS |
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10.A - Salts of Organic Acids |
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10.AB -Oxalates |
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| Other Minguzzite Information References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) |
See Also: |
Links to other databases for Minguzzite : |
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 Search for Minguzzite using: Visit our Advertisers for Minguzzite : A Bijoux Google Search for MinguzziteAdam's Minerals Google Search for Minguzzite Cape Minerals Google Search for Minguzzite Dakota Matrix Minerals Google Search for Minguzzite Excalibur Mineral Corp. Google Search for Minguzzite Exceptional Minerals Google Search for Minguzzite John Betts Fine Minerals Search for Minguzzite McDougall Minerals Google Search for Minguzzite Mineral News Website Link Rock and Mineral Shows Google Search for Minguzzite Weinrich Minerals, Inc. Google Search for Minguzzite Ask about Minguzzite here : Print or Cut-and-Paste your Minguzzite Specimen Label here :
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