Diaboleite (original) (raw)
A valid IMA mineral species - grandfathered
About DiaboleiteHide
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Specific Gravity:
5.41 - 5.43
Crystal System:
Tetragonal
Name:
From Greek διά, "Dia", apart or distinct from, in allusion to its difference from boleite. Diaboléite (with diacritic) has been used, but this is not accepted usage (Burke 2008).
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:1276:4
22b2585f-b4f9-44c0-8ead-84f02c2917bb
IMA Classification of DiaboleiteHide
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Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
CuPb2Cl2(OH)4
Type description reference:
Classification of DiaboleiteHide
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3.DB.05
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
B : With Pb, Cu, etc.
10.6.1.1
10 : OXYHALIDES AND HYDROXYHALIDES
6 : AmBn(O,OH)pXq
8.8.13
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
8 : Halides of Pb
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Dbol | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of DiaboleiteHide
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Cleavage:
Perfect
On {001}, not easy.
Density:
5.41 - 5.43 g/cm3 (Measured) 5.48 g/cm3 (Calculated)
Optical Data of DiaboleiteHide
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RI values:
_n_ω = 1.980 _n_ε = 1.850
δ = 0.130
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of DiaboleiteHide
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Mindat Formula:
Pb2CuCl2(OH)4
Crystallography of DiaboleiteHide
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Crystal System:
Tetragonal
Class (H-M):
4_m_ m - Ditetragonal Pyramidal
Cell Parameters:
a = 5.86 Å, c = 5.49 Å
Unit Cell V:
188.52 ų (Calculated from Unit Cell)
Morphology:
Crystals tabular {001}, with a square outline. The crystals are hemimorphic; the large base is negative; the positive pedion is lacking or is very small with a somewhat curved surface. Subparallel groups of thin plates. Rarely tetragonal prisms.
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0005469 | Diaboleite | Cooper M A, Hawthorne F C (1995) Diaboleite, Pb2Cu(OH)4Cl2, a defect perovskite structure with stereoactive lone-pair behavior of Pb The Canadian Mineralogist 33 1125-1129 |  |
1995 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 5.51 Å | (10) |
| 3.305 Å | (9) |
| 2.283 Å | (10) |
| 2.929 Å | (8) |
| 2.580 Å | (9) |
| 1.755 Å | (9) |
| 1.537 Å | (9) |
Type Occurrence of DiaboleiteHide
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Place of Conservation of Type Material:
The Natural History Museum, London, England, number 1923,521.
National Museum of Natural History, Washington, D.C., USA, number 94813.
Geological Setting of Type Material:
Oxidized iron and manganese ores.
Associated Minerals at Type Locality:
Reference:
Spencer, L.J., Mountain, E.D. (1923) New lead-copper minerals from the Mendip Hills (Somerset). Mineralogical Magazine: 20: 67-92 (78).
Other Language Names for DiaboleiteHide
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Relationship of Diaboleite to other SpeciesHide
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Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 3.DB. | Rickturnerite | Pb7O4[Mg(OH)4](OH)Cl3 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
|---|---|---|---|
| 3.DB.10 | Pseudoboleite | Pb31Cu24Cl62(OH)48 | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_4/m m m |
| 3.DB.15 | Boleite | KPb26Ag9Cu24(OH)48Cl62 | Iso. m_3_m _(_4/_m_32/m ) : P m_3_m |
| 3.DB.20 | Cumengeite | Pb21Cu20Cl42(OH)40 · 6H2O | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_4/m m m |
| 3.DB.25 | Bideauxite | Pb2AgCl3(F,OH)2 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 3.DB.30 | Chloroxiphite | Pb3CuO2Cl2(OH)2 | Mon. 2/m : _P_21/m |
| 3.DB.35 | Hematophanite | Pb4Fe3O8(OH,Cl) | Tet. 4_m_ m : P_4_m m |
| 3.DB.40 | Asisite | Pb7SiO9Cl2 | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_4/m m m |
| 3.DB.40 | Parkinsonite | Pb7MoO9Cl2 | Tet. |
| 3.DB.40 | Janchevite | Pb7V5+(O8.5◻0.5)Cl2 | Tric. 1 : _P_1 |
| 3.DB.45 | Murdochite | Cu12Pb2O15Cl2 | Iso. m_3_m _(_4/_m_32/m ) : F m_3_m |
| 3.DB.45 | Eddavidite | Cu12Pb2O15Br2 | Iso. m_3_m _(_4/_m_32/m ) : F m_3_m |
| 3.DB.50 | Yedlinite | Pb6Cr3+Cl6(O,OH,H2O)8 | Trig. 3 : _R_3 |
| 3.DB.55 | Siidraite | Pb2Cu(OH)2I3 | Orth. m m m _(_2/_m_2/_m_2/m ) : F d d d |
Other InformationHide
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Notes:
Completely soluble in nitric acid.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for DiaboleiteHide
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References for DiaboleiteHide
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Reference List:
Alun Humphreys, D., Thomas, John H., Williams, Peter A., Symes, Robert F. (1980) The chemical stability of mendipite, diaboleïte, chloroxiphite, and cumengéite, and their relationships to other secondary lead(II) minerals. Mineralogical Magazine, 43 (331) 901-904 doi:10.1180/minmag.1980.043.331.13
Localities for DiaboleiteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 
- Good crystals or important locality for species. 
- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.