General Jacquesdietrichite Information Chemical Formula: |
Cu2[BO(OH)2](OH)3 |
Composition: |
Molecular Weight = 238.94 gm |
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Copper 53.19 % Cu 66.58 % CuO |
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Boron 4.52 % B 14.57 % B2O3 |
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Hydrogen 2.11 % H 18.85 % H2O |
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Oxygen 40.18 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Cu2BO(OH)5 |
Environment: |
Hydrothermal origin found in small cavities in gaudefroyite-calcite rock and as inclusions in calcite. |
IMA Status: |
Approved IMA 2004 (Dana # Added) |
Locality: |
Tachgagalt vein Mn deposit near Ouarzazate, Morocco. Link to MinDat.org Location Data. |
Name Origin: |
Named for Jacques Emile Dietrich (1926-), French geologist who collected the specimens. |
Synonym: |
IMA2003-012 |
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Images:
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| | Jacquesdietrichite Crystallography Axial Ratios: |
a:b:c =1.6118:1:1.4776 |
Cell Dimensions: |
a = 9.455, b = 5.866, c = 8.668, Z = 4; V = 480.75 Den(Calc)= 3.30 |
Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma |
X Ray Diffraction: |
By Intensity(I/Io): 4.734(1)(200), 3.941(0.9)(102), 1.922(0.5)(322),2.489(0.5)(220), 2.545(0.45)(302), 1.712(0.4), 1.838(0.4), 3.192(0.4), |
Crystal Structure:
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Mouse
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| Physical Properties of Jacquesdietrichite Cleavage: |
{100} Perfect, {010} Good, {001} Good |
Color: |
Blue. |
Density: |
3.28 |
Diaphaneity: |
Translucent |
Fracture: |
Flexible - Flexible fragments. |
Habit: |
Bladed - Aggregates of thin lath-like crystals (e.g. kyanite). |
Habit: |
Tabular - Form dimensions are thin in one direction. |
Hardness: |
2 - Gypsum |
Luster: |
Vitreous (Glassy) |
Streak: |
pale blue |
| Optical Properties of Jacquesdietrichite Gladstone-Dale: |
CI meas= -0.021 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.014 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2116,KPDmeas= 0.2129,KC= 0.2086 Ncalc = 1.68 - 1.69 Optical Data: |
Biaxial (-), a=1.627, b=1.699, g=1.769, bire=0.1420 |
| Calculated Properties of Jacquesdietrichite Electron Density: |
Bulk Density (Electron Density)=3.20 gm/cc |
note: Specific Gravity of Jacquesdietrichite =3.30 gm/cc. Fermion Index: |
Fermion Index = 0.0091991366 |
Boson Index = 0.9908008634 Photoelectric: |
PEJacquesdietrichite = 23.18 barns/electron |
U=PEJacquesdietrichite x rElectron Density= 74.27 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Jacquesdietrichite is Not Radioactive | Jacquesdietrichite Classification Dana Class: |
06.04.13.01 (06)Hydroxides and Oxides Containing Hydroxyl |
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(06.04)containing multiple cations |
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(06.04.13)Dana Group |
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Strunz Class: |
06.AB.80 06 - BORATES |
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06.A - Monoborates |
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06.AB -BO3, with additional anions; 1(D) + OH, etc. |
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| Other Jacquesdietrichite Information References: |
NAME( AmMin, 90:519) PHYS. PROP.(AmMin, 90:519) OPTIC PROP.(AmMin, 90:519) |
See Also: |
Links to other databases for Jacquesdietrichite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Jacquesdietrichite using: Visit our Advertisers for Jacquesdietrichite : A Bijoux Google Search for JacquesdietrichiteAdam's Minerals Google Search for Jacquesdietrichite Cape Minerals Google Search for Jacquesdietrichite Dakota Matrix Minerals Google Search for Jacquesdietrichite Excalibur Mineral Corp. Google Search for Jacquesdietrichite Exceptional Minerals Google Search for Jacquesdietrichite John Betts Fine Minerals Search for Jacquesdietrichite McDougall Minerals Google Search for Jacquesdietrichite Mineral News Website Link Rock and Mineral Shows Google Search for Jacquesdietrichite Weinrich Minerals, Inc. Google Search for Jacquesdietrichite Ask about Jacquesdietrichite here : Print or Cut-and-Paste your Jacquesdietrichite Specimen Label here :
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