Andreadiniite (original) (raw)
A valid IMA mineral species
About AndreadiniiteHide
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Formula:
CuHgAg7Pb7Sb24S48
Specific Gravity:
5.36 (Calculated)
Crystal System:
Monoclinic
Name:
Named in honor of Andrea Dini (b. 1966), geologist with the Italian National Research Council, Institute of Geosciences and Earth Resources, for "his contributions to the knowledge of ore deposits from Tuscany and, in particular, the ore geology and mineralogy of Hg ores from Apuan Alps."
This page provides mineralogical data about Andreadiniite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:46429:5
28925622-079b-4163-82d0-1bed9dbf2e37
IMA Classification of AndreadiniiteHide
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Type description reference:
Biagioni, Cristian, Moëlo, Yves, Orlandi, Paolo, Paar, Werner H. (2018) Lead-antimony sulfosalts from Tuscany (Italy) XXIII. Andreadiniite, CuAg7HgPb7Sb24S48, a new oversubstituted (Cu,Hg)-rich member of the andorite homeotypic series from the Monte Arsiccio mine, Apuan Alps. European Journal of Mineralogy, 30 (5) 1021-1035 doi:10.1127/ejm/2018/0030-2765
Classification of AndreadiniiteHide
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2.JB.
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with 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 |
|---|---|---|
| Adi | 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 AndreadiniiteHide
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Hardness:
VHN25=218 - 229 kg/mm2 - Vickers
Fracture:
Irregular/Uneven, Conchoidal
Density:
5.36 g/cm3 (Calculated)
Comment:
Could not be measured. Calculated based on empirical formula.
Optical Data of AndreadiniiteHide
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Anisotropism:
Weak, gray to bluish-gray
Reflectivity:
| Wavelength | R1 | R2 |
|---|---|---|
| 420nm | 35.3% | 36.4% |
| 440nm | 35.9% | 36.0% |
| 460nm | 34.7% | 36.1% |
| 470nm | 34.8% | 36.4% |
| 480nm | 35.1% | 36.6% |
| 500nm | 34.8% | 36.4% |
| 520nm | 34.3% | 36.1% |
| 540nm | 33.8% | 35.3% |
| 546nm | 33.5% | 35.1% |
| 560nm | 33.0% | 34.8% |
| 580nm | 33.1% | 35.2% |
| 589nm | 32.9% | 35.0% |
| 600nm | 32.9% | 34.4% |
| 620nm | 32.3% | 33.7% |
| 640nm | 31.9% | 33.1% |
| 650nm | 31.8% | 32.4% |
| 660nm | 31.5% | 32.5% |
| 680nm | 31.6% | 32.4% |
| 700nm | 30.9% | 31.7% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 36.6%.
R1 shown in black, R2 shown in red
Colour in reflected light:
White, with a slightly yellow-bronze tint
Internal Reflections:
None
Chemistry of AndreadiniiteHide
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Mindat Formula:
CuHgAg7Pb7Sb24S48
Crystallography of AndreadiniiteHide
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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 19.0982(12) Å, b = 17.0093(11) Å, c = 13.0008(10) Å
β = 90.083(4)°
Ratio:
a:b:c = 1.123 : 1 : 0.764
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.719 Å | (ms) |
| 3.406 Å | (s) |
| 3.277 Å | (s) |
| 2.885 Å | (s) |
| 2.740 Å | (ms) |
| 2.263 Å | (ms) |
| 2.055 Å | (s) |
| 1.788 Å | (s) |
Comments:
From Type Description.
Geological EnvironmentHide
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Type Occurrence of AndreadiniiteHide
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General Appearance of Type Material:
Black anhedral grains, up to some mm in size
Place of Conservation of Type Material:
Type material is deposited in the collections of the Museo di Storia Naturale, Universita` di Pisa, Via Roma 79, Calci (Pisa), Italy, catalogue number 19688
Empirical Formula of Type Material:
Cu1.14Ag7.12Tl0.15Hg0.94Pb6.57(Sb22.68As1.41)Σ24.09S47.33
Chemical Analysis of Type Material:
| Cu | 1.06 % |
|---|---|
| Ag | 11.25 % |
| Tl | 0.45 % |
| Hg | 2.76 % |
| Pb | 19.95 % |
| As | 1.55 % |
| Sb | 40.45 % |
| S | 22.23 % |
| Total: | 99.7 % |
Geological Setting of Type Material:
In a quartz vein embedded in metadolostone.
Associated Minerals at Type Locality:
Reference:
Biagioni, C., Moëlo, Y., Orlandi, P., Paar, W.H. (2018) Lead-antimony sulfosalts from Tuscany (Italy). XXIII. Andreadiniite, CuAg7HgPb7Sb24S48, a new oversubstituted (Cu,Hg)-rich member of the andorite homeotypic series from the Monte Arsiccio mine, Apuan Alps. European Journal of Mineralogy: 30: 1021-1035.
Synonyms of AndreadiniiteHide
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Relationship of Andreadiniite to other SpeciesHide
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Other Members of this group:
Related Minerals - Strunz-mindat GroupingHide
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| 2.JB. | Senandorite | AgPbSb3S6 | Orth. m _m_2 : P m _n_21 |
|---|---|---|---|
| 2.JB. | Oscarkempffite | Ag10Pb4(Sb17Bi9)S48 | Orth. m _m_2 |
| 2.JB. | Chukotkaite | AgPb7Sb5S15 | Mon. 2/m : _P_21/b |
| 2.JB. | Arsenquatrandorite | Ag17.6Pb12.8Sb38.1As11.5S96 | Mon. 2/m : _P_21/b |
| 2.JB. | Clino-oscarkempffite | Ag15Pb6Sb21Bi18S72 | Mon. 2/m : _P_21/b |
| 2.JB. | Ginelfite | Ag2(Ag0.5Fe)TlPb23.5(Sb,As)33.5S76 | Tric. 1 : _P_1 |
| 2.JB. | Lazerckerite | Ag3.75Pb4.50(Sb7.75Bi4)S24 | Mon. 2/m : _P_21/b |
| 2.JB. | Lasmanisite | Ag12Pb13Mn11Sb44S96 | Orth. 222 : _P_212121 |
| 2.JB. | Montpelvouxite | AgPb16Sb27As18S84 | Tric. 1 : _P_1 |
| 2.JB. | Selenojunoite | Cu2Pb3Bi8Se16 | Mon. 2/m : _B_2/m |
| 2.JB. | Cuprosenandorite | Ag16Cu8Pb24Sb72S144 | Orth. m _m_2 : P n _a_21 |
| 2.JB.05 | Diaphorite | Ag3Pb2Sb3S8 | Mon. 2/m : _P_21/b |
| 2.JB.10 | Cosalite | Pb2Bi2S5 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 2.JB.15 | Freieslebenite | AgPbSbS3 | Mon. 2/m : _P_21/b |
| 2.JB.15 | Marrite | AgPbAsS3 | Mon. 2/m : _P_21/b |
| 2.JB.20 | Cannizzarite | Pb48Bi56S132 | Mon. 2/m : _P_21/m |
| 2.JB.20 | Wittite | Pb9Bi12(S,Se)27 | Mon. |
| 2.JB.25a | Junoite | Cu2Pb3Bi8(S,Se)16 | Mon. 2/m : _B_2/m |
| 2.JB.25i | Neyite | Ag2Cu6Pb25Bi26S68 | Mon. 2/m : _B_2/m |
| 2.JB.25c | Nordströmite | CuPb3Bi7(Se4S10) | Mon. 2/m : _P_21/m |
| 2.JB.25g | Nuffieldite | Cu1.4Pb2.4Bi2.4Sb0.2S7 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 2.JB.25d | Proudite | CuPb7.5Bi9.33(S,Se)22 | Mon. 2/m : _B_2/m |
| 2.JB.25h | Weibullite | Pb5Bi8Se7S11 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 2.JB.25b | Felbertalite | Cu2Pb6Bi8S19 | Mon. 2/m : _B_2/m |
| 2.JB.25j | Rouxelite | Cu2HgPb23Sb27S65.5 | Mon. 2/m : _B_2/m |
| 2.JB.25f | Ángelaite | Cu2AgPbBiS4 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 2.JB.25i | Cuproneyite | Cu7Pb27Bi25S68 | Mon. 2/m : _B_2/m |
| 2.JB.30a | Geocronite | Pb14Sb6S23 | Mon. 2/m : _P_21/m |
| 2.JB.30a | Jordanite | Pb14As6S23 | Mon. 2/m : _P_21/m |
| 2.JB.30b | Kirkiite | Pb10Bi3As3S19 | Mon. 2/m : _P_21/m |
| 2.JB.30c | Tsugaruite | Pb28As15S50Cl | Orth. m _m_2 : P n _n_2 |
| 2.JB.30a | Marcobaldiite | Pb12(Sb3As2Bi)Σ6S21 | Tric. 1 : _P_1 |
| 2.JB.30a | Arsenmarcobaldiite | Pb12(As3.2Sb2.8)Σ6S21 | Tric. 1 : _P_1 |
| 2.JB.35c | Pillaite | Pb9Sb10S23ClO0.5 | Mon. 2/m : _B_2/m |
| 2.JB.35a | Zinkenite | Pb9Sb22S42 | Hex. 6 : _P_63 |
| 2.JB.35b | Scainiite | Pb14Sb30S54O5 | Mon. 2/m : _B_2/m |
| 2.JB.35d | Pellouxite | (Cu,Ag)Pb10Sb12S27O(Cl,S)0.6 | Mon. 2/m : _B_2/m |
| 2.JB.35f | Tubulite | Ag2Pb22Sb20S53 | Mon. m : P b |
| 2.JB.35e | Chovanite | Pb15-2xSb14+2xS36Ox (x ~ 0.2) | Mon. 2/m : _B_2/m |
| 2.JB.40b | Aschamalmite | Pb6-3xBi2+xS9 | Mon. 2/m : _B_2/m |
| 2.JB.40a | Bursaite | Pb5Bi4S11 (?) | Orth. |
| 2.JB.40b | Eskimoite | Ag7Pb10Bi15S36 | Mon. |
| 2.JB.40a | Fizélyite | Ag5Pb14Sb21S48 | Mon. 2/m |
| 2.JB.40a | Gustavite | AgPbBi3S6 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 2.JB.40a | Lillianite | Pb3-2xAgxBi2+xS6 | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 2.JB.40c | Ourayite | Ag3Pb4Bi5S13 | Orth. |
| 2.JB.40a | Ramdohrite | Pb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24 | Mon. 2/m |
| 2.JB.40a | Roshchinite | Ag19Pb10Sb51S96 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 2.JB.40d | Schirmerite | PbAgBi3S6 - Pb3Ag1.5Bi3.5S9 | Orth. |
| 2.JB.40a | Treasurite | Ag7Pb6Bi15S32 | Mon. |
| 2.JB.40a | Uchucchacuaite | AgMnPb3Sb5S12 | Orth. m m m _(_2/_m_2/_m_2/m ) : P m m m |
| 2.JB.40e | Ustarasite | Pb(Bi,Sb)6S10 (?) | |
| 2.JB.40a | Vikingite | Ag5Pb8Bi13S30 | Mon. 2/m : _B_2/m |
| 2.JB.40a | Xilingolite | Pb3Bi2S6 | Mon. |
| 2.JB.40b | Heyrovskýite | Pb6Bi2S9 | Orth. m m m _(_2/_m_2/_m_2/m ) : C c c m |
| 2.JB.40 | UM1988-05-S:AgBiCuHgPb | (Hg,Ag,Cu,Pb)5Pb5Bi11S27 | |
| 2.JB.40 | UM1988-06-S:AgBiCuHgPb | (Pb,Hg)12(Cu,Ag)3(Bi,Sb)10(S,Te)27 | |
| 2.JB.40a | Quatrandorite | AgPbSb3S6 | Mon. 2/m : _P_21/b |
| 2.JB.40a | Menchettiite | AgPb2.40Mn1.60Sb3As2S12 | Mon. 2/m : _P_21/b |
| 2.JB.40a | Terrywallaceite | AgPb(Sb,Bi)3S6 | Mon. 2/m : _P_21/b |
| 2.JB.40a | Jasrouxite | Ag16Pb4(Sb24As16)S72 | Tric. 1 : _P_1 |
| 2.JB.40a | Erzwiesite | Ag8Pb12Bi16S40 | Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m |
| 2.JB.40a | Staročeskéite | Ag0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6 | Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m |
| 2.JB.40a | Oyonite | Ag3Mn2Pb4Sb7As4S24 | Mon. 2/m |
| 2.JB.40a | Holubite | Ag3Pb6(Sb8Bi3)S24 | Mon. 2/m |
| 2.JB.40b | Baiamareite | Ag4Pb12Fe4Sb20S48 | Mon. 2/m |
| 2.JB.40a | Tarutinoite | Ag3Pb7Bi7S19 | Mon. 2/m : _B_2/m |
| 2.JB.55 | Gratonite | Pb9As4S15 | Trig. 3_m_ : R_3_m |
| 2.JB.60 | Marrucciite | Hg3Pb16Sb18S46 | Mon. 2/m : _B_2/m |
| 2.JB.65 | Vurroite | Pb20Sn2(Bi,As)22S54Cl6 | Mon. 2/m : _B_2/b |
| 2.JB.65 | Tazieffite | Pb20Cd2(As,Bi)22S50Cl10 | Mon. 2/m : _B_2/b |
| 2.JB.70 | Daliranite | PbHgAs2S5 | Mon. |
Other InformationHide
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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 AndreadiniiteHide
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References for AndreadiniiteHide
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Reference List:
Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2014) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC), CNMNC Newsletter No. 22. Mineralogical Magazine, 78 (5) 1241-1248 doi:10.1180/minmag.2014.078.5.10
Biagioni, Cristian, Moëlo, Yves, Orlandi, Paolo, Paar, Werner H. (2018) Lead-antimony sulfosalts from Tuscany (Italy) XXIII. Andreadiniite, CuAg7HgPb7Sb24S48, a new oversubstituted (Cu,Hg)-rich member of the andorite homeotypic series from the Monte Arsiccio mine, Apuan Alps. European Journal of Mineralogy, 30 (5) 1021-1035 doi:10.1127/ejm/2018/0030-2765
Localities for AndreadiniiteHide
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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.
| Italy (TL) | |
|---|---|
| Tuscany Lucca Province Stazzema Sant'Anna di Stazzema Monte Arsiccio Mine ⓘ Sant'Olga tunnel (TL) | Williams et al. (2014) +1 other reference |