Andreadiniite
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About Andreadiniite
Formula:
CuHgAg7Pb7Sb24S48
Lustre:
Metallic
Crystal System:
Monoclinic
Member of:
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.
Classification of Andreadiniite
Approved
Approval year:
2014
First published:
2018
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
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb
Physical Properties of Andreadiniite
Metallic
Optical Data of Andreadiniite
Anisotropism:
weak, gray to bluish-gray
Reflectivity:
470nm | R1=34.8% | R2= 36.4% |
546nm | R1=33.5% | R2= 35.1% |
589nm | R1=32.9% | R2= 35.0% |
650nm | R1=31.8% | R2= 32.4% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 36.4%.
R1 shown in black, R2 shown in red
Colour in reflected light:
white, with a slightly yellow-bronze tint
Pleochroism:
Not Visible
Chemical Properties of Andreadiniite
Formula:
CuHgAg7Pb7Sb24S48
Crystallography of Andreadiniite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 19.0982(12) Å, b = 17.0093(11) Å, c = 13.0008(10) Å
β = 90.083(4)°
β = 90.083(4)°
Ratio:
a:b:c = 1.123 : 1 : 0.764
Unit Cell V:
4223.3 ų
Z:
2
X-Ray Powder Diffraction
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.
Type Occurrence of Andreadiniite
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 % |
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 Andreadiniite
Relationship of Andreadiniite to other Species
Member of:
Other Members of this group:
Andorite IV | Pb18Ag15Sb47S96 | Mon. 2 : P2 |
Andorite VI | AgPbSb3S6 | Orth. mm2 : Pmn21 |
Arsenquatrandorite | Ag17.6Pb12.8Sb38.1As11.5S96 | Mon. 2/m : P21/b |
Aschamalmite | Pb6Bi2S9 | Mon. 2/m |
Clino-oscarkempffite | Ag15Pb6Sb21Bi18S72 | Mon. 2/m : P21/b |
Erzwiesite | Ag8Pb12Bi16S40 | Orth. mmm (2/m 2/m 2/m) : Pbcn |
Eskimoite | Ag7Pb10Bi15S36 | Mon. |
Fizélyite | Ag5Pb14Sb21S48 | Mon. 2/m |
Gustavite | AgPbBi3S6 | Orth. mmm (2/m 2/m 2/m) |
Heyrovskýite | Pb6Bi2S9 | Orth. mmm (2/m 2/m 2/m) : Cccm |
Jasrouxite | Ag16Pb4(Sb24As16)S72 | Tric. 1 : P1 |
Lillianite | Pb3-2xAgxBi2+xS6 | Orth. mmm (2/m 2/m 2/m) |
Menchettiite | AgPb2.40Mn1.60Sb3As2S12 | Mon. 2/m : P21/b |
Oscarkempffite | Ag10Pb4(Sb17Bi9)S48 | Orth. mm2 |
Ourayite | Ag3Pb4Bi5S13 | Orth. |
Oyonite | Ag3Mn2Pb4Sb7As4S24 | Mon. 2/m |
Ramdohrite | Pb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24 | Mon. 2/m |
Roshchinite | Ag19Pb10Sb51S96 | Orth. |
Schirmerite | PbAgBi3S6 - Pb3Ag1.5Bi3.5S9 | Orth. |
Staročeskéite | Ag0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6 | Orth. mmm (2/m 2/m 2/m) : Cmcm |
Terrywallaceite | AgPb(Sb,Bi)3S6 | Mon. 2/m : P21/b |
Treasurite | Ag7Pb6Bi15S32 | Mon. |
Uchucchacuaite | AgMnPb3Sb5S12 | Orth. mmm (2/m 2/m 2/m) : Pmmm |
Ustarasite | Pb(Bi,Sb)6S10 (?) | |
Vikingite | Ag5Pb8Bi13S30 | Mon. 2/m : B2/m |
Xilingolite | Pb3Bi2S6 | Mon. |
Related Minerals - Nickel-Strunz Grouping
2.JB. | Andorite VI | AgPbSb3S6 | Orth. mm2 : Pmn21 |
2.JB. | Arsenquatrandorite | Ag17.6Pb12.8Sb38.1As11.5S96 | Mon. 2/m : P21/b |
2.JB.05 | Diaphorite | Ag3Pb2Sb3S8 | Mon. 2/m : P21/b |
2.JB.10 | Cosalite | Pb2Bi2S5 | Orth. mmm (2/m 2/m 2/m) |
2.JB.15 | Freieslebenite | AgPbSbS3 | Mon. 2/m : P21/b |
2.JB.15 | Marrite | AgPbAsS3 | Mon. 2/m : P21/b |
2.JB.20 | Cannizzarite | Pb48Bi56S132 | Mon. 2/m : P21/m |
2.JB.20 | Wittite | Pb9Bi12(S,Se)27 | Mon. |
2.JB.25a | Junoite | Cu2Pb3Bi8(S,Se)16 | Mon. 2/m : B2/m |
2.JB.25i | Neyite | Ag2Cu6Pb25Bi26S68 | Mon. |
2.JB.25c | Nordströmite | CuPb3Bi7(Se4S10) | Mon. |
2.JB.25g | Nuffieldite | Cu1.4Pb2.4Bi2.4Sb0.2S7 | Orth. |
2.JB.25d | Proudite | CuPb7.5Bi9.33(S,Se)22 | Mon. 2/m : B2/m |
2.JB.25h | Weibullite | Pb5Bi8Se7S11 | Orth. |
2.JB.25b | Felbertalite | Cu2Pb6Bi8S19 | Mon. 2/m : B2/m |
2.JB.25j | Rouxelite | Cu2HgPb23Sb27S65.5 | Mon. 2/m : B2/m |
2.JB.25f | Ángelaite | Cu2AgPbBiS4 | Orth. mmm (2/m 2/m 2/m) : Pnma |
2.JB.25i | Cuproneyite | Cu7Pb27Bi25S68 | Mon. 2/m : B2/m |
2.JB.30a | Geocronite | Pb14(Sb,As)6S23 | Mon. 2/m : P21/m |
2.JB.30a | Jordanite | Pb14(As,Sb)6S23 | Mon. 2/m : P21/m |
2.JB.30b | Kirkiite | Pb10Bi3As3S19 | Mon. 2/m : P21/m |
2.JB.30c | Tsugaruite | Pb28As15S50Cl | Orth. |
2.JB.35c | Pillaite | Pb9Sb10S23ClO0.5 | Mon. 2/m : B2/m |
2.JB.35a | Zinkenite | Pb9Sb22S42 | Hex. 6 : P63 |
2.JB.35b | Scainiite | Pb14Sb30S54O5 | Mon. 2/m : B2/m |
2.JB.35d | Pellouxite | (Cu,Ag)Pb10Sb12S27O(Cl,S)0.6 | Mon. 2/m : B2/m |
2.JB.35f | Tubulite | Ag2Pb22Sb20S53 | Mon. m : Pb |
2.JB.35e | Chovanite | Pb15-2xSb14+2xS36Ox (x ~ 0.2) | Mon. 2/m : B2/m |
2.JB.40b | Aschamalmite | Pb6Bi2S9 | Mon. 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. mmm (2/m 2/m 2/m) |
2.JB.40a | Lillianite | Pb3-2xAgxBi2+xS6 | Orth. mmm (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. |
2.JB.40d | Schirmerite | PbAgBi3S6 - Pb3Ag1.5Bi3.5S9 | Orth. |
2.JB.40a | Treasurite | Ag7Pb6Bi15S32 | Mon. |
2.JB.40a | Uchucchacuaite | AgMnPb3Sb5S12 | Orth. mmm (2/m 2/m 2/m) : Pmmm |
2.JB.40e | Ustarasite | Pb(Bi,Sb)6S10 (?) | |
2.JB.40a | Vikingite | Ag5Pb8Bi13S30 | Mon. 2/m : B2/m |
2.JB.40a | Xilingolite | Pb3Bi2S6 | Mon. |
2.JB.40b | Heyrovskýite | Pb6Bi2S9 | Orth. mmm (2/m 2/m 2/m) : Cccm |
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 | Andorite IV | Pb18Ag15Sb47S96 | Mon. 2 : P2 |
2.JB.55 | Gratonite | Pb9As4S15 | Trig. 3m : R3m |
2.JB.60 | Marrucciite | Hg3Pb16Sb18S46 | Mon. 2/m : B2/m |
2.JB.65 | Vurroite | Pb20Sn2(Bi,As)22S54Cl6 | Orth. |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Andreadiniite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Biagioni, C., Moëlo, Y., Orlandi, P. and Paar, W.H. (2014) Andreadiniite, IMA 2014-049. CNMNC Newsletter No. 22, October 2014, page 1244. Mineralogical Magazine: 78: 1241-1248.
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.
Internet Links for Andreadiniite
mindat.org URL:
https://www.mindat.org/min-46429.html
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External Links:
Mineral Dealers:
Localities for Andreadiniite
Locality List




All localities listed without proper references should be considered as questionable.
Italy (TL) | |
| Biagioni, C., Moëlo, Y., Orlandi, P. and Paar, W.H. (2014) Andreadiniite, IMA 2014-049. CNMNC Newsletter No. 22, October 2014, page 1244; Mineralogical Magazine, 78, 1241-1248; 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. |
Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy