Ashburtonite Mineral Data + 
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- 78.4.2.1 Ashburtonite HPb4Cu4Si4O12(HCO3)4(OH)4Cl I 4/m 4/m
- VIII/E.06-10 Magnesio-axinite Ca2MgAl2BO3Si4O12(OH) P1 1
- VIII/E.06-20 Ferroaxinite Ca2FeAl2BO3Si4O12(OH) P1 1
- VIII/E.06-30 Manganaxinite Ca2MnAl2BO3Si4O12(OH) P1 1
- VIII/E.06-40 Tinzenite (Ca,Mn,Fe)3Al2BO3Si4O12(OH) P1 1
- VIII/E.06-50 Papagoite CaCuAlSi2O6(OH)3 C 2/m 2/m
- VIII/E.06-60 Ashburtonite HPb4Cu4Si4O12(HCO3)4(OH)4Cl I 4/m 4/m
General Ashburtonite Information |
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 Chemical Formula: |
HPb4Cu++4Si4O12(HCO3)4(OH)4Cl | ||
| Composition: |
Molecular Weight = 1,735.88 gm | ||
| Copper 14.64 % Cu 18.33 % CuO | |||
| Silicon 6.47 % Si 13.85 % SiO2 | |||
| Hydrogen 0.52 % H 4.67 % H2O | |||
| Lead 47.75 % Pb 51.43 % PbO | |||
| Carbon 2.77 % C 10.14 % CO2 | |||
| Chlorine 2.04 % Cl 2.04 % Cl | |||
| - % Cl -0.46 % -O=Cl2 | |||
| Oxygen 25.81 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
HPb4Cu4Si4O12(HCO3)4(OH)4Cl | ||
| IMA Status: |
Approved IMA 1989 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 80794 | ||
| IMA1990-033 | |||
| PDF 44-1406 | |||
Ashburtonite Image | |||
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Images:
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Ashburtonite Crystallography |
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| Axial Ratios: |
a:c = 1:0.42876 | ||
| Cell Dimensions: |
a = 14.234, c = 6.103, Z = 2; V = 1,236.51 Den(Calc)= 4.66 | ||
| Crystal System: |
Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: I 4/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.333(1), 4.495(1), 10.2(1), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Ashburtonite |
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| Cleavage: |
None | ||
| Color: |
Blue. | ||
| Density: |
4.69 | ||
| Diaphaniety: |
Transparent | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
light blue | ||
Optical Properties of Ashburtonite |
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| Gladstone-Dale: |
CI meas= 0.017 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.011 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1702,KPDmeas= 0.1691,KC= 0.1721 |
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| Optical Data: |
Uniaxial (+), w=1.786, e=1.8, bire=0.0140. | ||
Calculated Properties of Ashburtonite |
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| Electron Density: |
relectron=4.16 gm/cc |
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| Fermion Index |
Fermion Index = 0.10896 Boson Index = 0.89104 |
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| Photoelectric: |
PEAshburtonite = 829.28 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Ashburtonite is Not Radioactive |
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Ashburtonite Classification |
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| Dana Class: |
78.4.2.1 (78)Unclassified silicates | ||
| (78.4)possible inosilicates | |||
| (78.4.2)Dana Group | |||
| Strunz Class: |
VIII/E.06-60 VIII - Silicates | ||
| VIII/E - Cyklosilicates, quadruplet rings [Si4O11]8- | |||
| VIII/E.06 - Axinite group, Magnesio-axinite - Ashburtonite series | |||
Other Ashburtonite Information |
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| References: |
PHYS. PROP.(Am.Min.,Vol.76,p1701-1707,1991) OPTIC PROP.(Am.Min.,Vol.76,p1701-1707,1991) | ||
| See Also: |
Links to other databases for Ashburtonite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (MinSocAm) 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 -Mineralienatlas (Deutsch) 13 -QUT Mineral Atlas 14 - WWW-MINCRYST 15 -École des Mines de Paris Search for Ashburtonite using: Visit our Advertisers for Ashburtonite : AA Mineral SpecimensB & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Ashburtonite Mineral Data : Ask about Ashburtonite here : Print or Cut-and-Paste your Ashburtonite Specimen Label here :
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