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Andreadiniite

A valid IMA mineral species

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Andreadiniite

Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy

Andreadiniite

Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy

Andreadiniite

Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy

Andreadiniite

Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy

Andreadiniite

Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy

Andreadiniite

Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy

Andreadiniite

Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy

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About AndreadiniiteHide

Formula:

CuHgAg₇Pb₇Sb₂₄S₄₈

Lustre:

Metallic

Hardness:

3½

Specific Gravity:

5.36 (Calculated)

Crystal System:

Monoclinic

Member of:

Lillianite Homologous Series Group

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."

Type Locality:

ⓘ Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy

This page provides mineralogical data about Andreadiniite.

Unique IdentifiersHide

Mindat ID:

46429

Long-form identifier:

mindat:1:1:46429:5

IMA Classification of AndreadiniiteHide

IMA status:

Approved

IMA Formula:

Cu¹⁺Hg²⁺Ag¹⁺₇Pb²⁺₇Sb³⁺₂₄S^2-₄₈

Approval year:

2014

First published:

2018

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

Strunz-mindat (2026):

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

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference for Standard
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

Lustre:

Metallic

Transparency:

Opaque

Hardness:

3½ on Mohs scale

Hardness:

VHN₂₅=218 - 229 kg/mm² - Vickers

Tenacity:

Brittle

Fracture:

Irregular/Uneven, Conchoidal

Density:

5.36 g/cm³ (Calculated)

Comment:

Could not be measured. Calculated based on empirical formula.

Optical Data of AndreadiniiteHide

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). 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

Pleochroism:

Not Visible

Chemistry of AndreadiniiteHide

Mindat Formula:

CuHgAg₇Pb₇Sb₂₄S₄₈

Element Weights:

Element	% weight
Sb	42.162 %
S	22.206 %
Pb	20.926 %
Ag	10.894 %
Hg	2.894 %
Cu	0.917 %

Calculated from ideal end-member formula.

Elements listed:

Ag, Cu, Hg, Pb, S, Sb - search for minerals with similar chemistry

Crystallography of AndreadiniiteHide

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)°

Ratio:

a:b:c = 1.123 : 1 : 0.764

Unit Cell V:

4223.3 Å³

X-Ray Powder DiffractionHide

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)

Locality:

Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy

Reference:

Comments:

From Type Description.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of AndreadiniiteHide

Type Locality:

ⓘ Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy

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:

Cu_1.14Ag_7.12Tl_0.15Hg_0.94Pb_6.57(Sb_22.68As_1.41)_Σ24.09S_47.33

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:

Sphalerite

Stibnite

Reference:

Synonyms of AndreadiniiteHide

IMA2014-049

Other Language Names for AndreadiniiteHide

Dutch:Andreadiniiet

French:Andreadiniite

German:Andreadiniit

Norwegian:Andreadiniitt

Relationship of Andreadiniite to other SpeciesHide

Member of:

Lillianite Homologous Series Group

Other Members of Lillianite Homologous Series:

Arsenquatrandorite	Ag_17.6Pb_12.8Sb_38.1As_11.5S₉₆	Mon. 2/m : P2₁/b
Aschamalmite	Pb_6-3xBi_2+xS₉	Mon. 2/m : B2/m
Baiamareite	Ag₄Pb₁₂Fe₄Sb₂₀S₄₈	Mon. 2/m
Brusnitsynite	Mn₃CuPbAs₃Sb₂S₁₂	Mon. 2/m : P2₁/b
Clino-oscarkempffite	Ag₁₅Pb₆Sb₂₁Bi₁₈S₇₂	Mon. 2/m : P2₁/b
Erzwiesite	Ag₈Pb₁₂Bi₁₆S₄₀	Orth. mmm(2/m2/m2/m) : Cmcm
Eskimoite	Ag₇Pb₁₀Bi₁₅S₃₆	Mon.
Fizélyite	Ag₅Pb₁₄Sb₂₁S₄₈	Mon. 2/m
Gustavite	AgPbBi₃S₆	Orth. mmm(2/m2/m2/m)
Heyrovskýite	Pb₆Bi₂S₉	Orth. mmm(2/m2/m2/m) : Cccm
Holubite	Ag₃Pb₆(Sb₈Bi₃)S₂₄	Mon. 2/m
Jasrouxite	Ag₁₆Pb₄(Sb₂₅As₁₅)S₇₂	Tric. 1 : P1
Lasmanisite	Ag₁₂Pb₁₃Mn₁₁Sb₄₄S₉₆	Orth. 222 : P2₁2₁2₁
Lazerckerite	Ag_3.75Pb_4.50(Sb_7.75Bi₄)S₂₄	Mon. 2/m : P2₁/b
Lillianite	Pb_3-2xAg_xBi_2+xS₆	Orth. mmm(2/m2/m2/m)
Menchettiite	AgPb_2.40Mn_1.60Sb₃As₂S₁₂	Mon. 2/m : P2₁/b
Oscarkempffite	Ag₁₀Pb₄(Sb₁₇Bi₉)S₄₈	Orth. mm2
Ourayite	Ag₃Pb₄Bi₅S₁₃	Orth.
Oyonite	Ag₃Mn₂Pb₄Sb₇As₄S₂₄	Mon. 2/m
Quatrandorite	AgPbSb₃S₆	Mon. 2/m : P2₁/b
Ramdohrite	Pb_5.9Fe_0.1Mn_0.1In_0.1Cd_0.2Ag_2.8Sb_10.8S₂₄	Mon. 2/m
Roshchinite	Ag₁₉Pb₁₀Sb₅₁S₉₆	Orth. mmm(2/m2/m2/m) : Pnma
'Schirmerite'	PbAgBi₃S₆ - Pb₃Ag_1.5Bi_3.5S₉	Orth.
Senandorite	AgPbSb₃S₆	Orth. mm2 : Pmn2₁
Staročeskéite	Ag_0.70Pb_1.60(Bi_1.35Sb_1.35)_Σ2.70S₆	Orth. mmm(2/m2/m2/m) : Cmcm
Tarutinoite	Ag₃Pb₇Bi₇S₁₉	Mon. 2/m : B2/m
Terrywallaceite	AgPb(Sb,Bi)₃S₆	Mon. 2/m : P2₁/b
Treasurite	Ag₇Pb₆Bi₁₅S₃₂	Mon.
Uchucchacuaite	AgMnPb₃Sb₅S₁₂	Orth. mmm(2/m2/m2/m) : Pmmm
Ustarasite	Pb(Bi,Sb)₆S₁₀ (?)
Vikingite	Ag₅Pb₈Bi₁₃S₃₀	Mon. 2/m : B2/m
Xilingolite	Pb₃Bi₂S₆	Mon.

Common AssociatesHide

Associations Based on Photo Data:

1 photo of Andreadiniite associated with Stibnite

Sb₂S₃

Related Minerals - Strunz-mindat Grouping Hide

2.JB.	Clino-oscarkempffite	Ag₁₅Pb₆Sb₂₁Bi₁₈S₇₂	Mon. 2/m : P2₁/b
2.JB.	Arsenquatrandorite	Ag_17.6Pb_12.8Sb_38.1As_11.5S₉₆	Mon. 2/m : P2₁/b
2.JB.	Ginelfite	Ag₂(Ag_0.5Fe)TlPb_23.5(Sb,As)_33.5S₇₆	Tric. 1 : P1
2.JB.	Chukotkaite	AgPb₇Sb₅S₁₅	Mon. 2/m : P2₁/b
2.JB.	Selenojunoite	Cu₂Pb₃Bi₈Se₁₆	Mon. 2/m : B2/m
2.JB.	Lechnerite	Ag₁₀Cu₄HgPb₃₃Sb₅₈S₁₂₈	Tric. 1 : P1
2.JB.	Cuprosenandorite	Ag₁₆Cu₈Pb₂₄Sb₇₂S₁₄₄	Orth. mm2 : Pna2₁
2.JB.	Morleyite	Ag₂CuPb₂₅Sb₂₄As₄S_68.5	Tric. 1 : P1
2.JB.	Lazerckerite	Ag_3.75Pb_4.50(Sb_7.75Bi₄)S₂₄	Mon. 2/m : P2₁/b
2.JB.	Lasmanisite	Ag₁₂Pb₁₃Mn₁₁Sb₄₄S₉₆	Orth. 222 : P2₁2₁2₁
2.JB.	Montpelvouxite	AgPb₁₆Sb₂₇As₁₈S₈₄	Tric. 1 : P1
2.JB.	Senandorite	AgPbSb₃S₆	Orth. mm2 : Pmn2₁
2.JB.	Oscarkempffite	Ag₁₀Pb₄(Sb₁₇Bi₉)S₄₈	Orth. mm2
2.JB.05	Diaphorite	Ag₃Pb₂Sb₃S₈	Mon. 2/m : P2₁/b
2.JB.10	Cosalite	Pb₂Bi₂S₅	Orth. mmm(2/m2/m2/m)
2.JB.15	Marrite	AgPbAsS₃	Mon. 2/m : P2₁/b
2.JB.15	Freieslebenite	AgPbSbS₃	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.25j	Rouxelite	Cu₂HgPb₂₃Sb₂₇S_65.5	Tric. 1 : P1
2.JB.25i	Neyite	Ag₂Cu₆Pb₂₅Bi₂₆S₆₈	Mon. 2/m : B2/m
2.JB.25a	Junoite	Cu₂Pb₃Bi₈(S,Se)₁₆	Mon. 2/m : B2/m
2.JB.25f	Ángelaite	Cu₂AgPbBiS₄	Orth. mmm(2/m2/m2/m) : Pnma
2.JB.25e	Galenobismutite	PbBi₂S₄	Orth. mmm(2/m2/m2/m)
2.JB.25c	Nordströmite	CuPb₃Bi₇(Se₄S₁₀)	Mon. 2/m : P2₁/m
2.JB.25i	Cuproneyite	Cu₇Pb₂₇Bi₂₅S₆₈	Mon. 2/m : B2/m
2.JB.25g	Nuffieldite	Cu_1.4Pb_2.4Bi_2.4Sb_0.2S₇	Orth. mmm(2/m2/m2/m)
2.JB.25h	Weibullite	Pb₅Bi₈Se₇S₁₁	Orth. mmm(2/m2/m2/m) : Pnma
2.JB.25d	Proudite	CuPb_7.5Bi_9.33(S,Se)₂₂	Mon. 2/m : B2/m
2.JB.25b	Felbertalite	Cu₂Pb₆Bi₈S₁₉	Mon. 2/m : B2/m
2.JB.30a	Jordanite	Pb₁₄As₆S₂₃	Mon. 2/m : P2₁/m
2.JB.30a	Geocronite	Pb₁₄Sb₆S₂₃	Mon. 2/m : P2₁/m
2.JB.30a	Arsenmarcobaldiite	Pb₁₂(As_3.2Sb_2.8)_Σ6S₂₁	Tric. 1 : P1
2.JB.30b	Kirkiite	Pb₁₀Bi₃As₃S₁₉	Mon. 2/m : P2₁/m
2.JB.30c	Tsugaruite	Pb₂₈As₁₅S₅₀Cl	Orth. mm2 : Pnn2
2.JB.30a	Marcobaldiite	Pb₁₂(Sb₃As₂Bi)_Σ6S₂₁	Tric. 1 : P1
2.JB.35d	Pellouxite	(Cu,Ag)Pb₁₀Sb₁₂S₂₇O(Cl,S)_0.6	Mon. 2/m : B2/m
2.JB.35e	Chovanite	Pb_15-2xSb_14+2xS₃₆O_x (x ~ 0.2)	Mon. 2/m : B2/m
2.JB.35a	Zinkenite	Pb₉Sb₂₂S₄₂	Hex. 6 : P6₃
2.JB.35c	Pillaite	Pb₉Sb₁₀S₂₃ClO_0.5	Mon. 2/m : B2/m
2.JB.35b	Scainiite	Pb₁₄Sb₃₀S₅₄O₅	Mon. 2/m : B2/m
2.JB.35f	Tubulite	Ag₂Pb₂₂Sb₂₀S₅₃	Mon. m : Pb
2.JB.40a	Fizélyite	Ag₅Pb₁₄Sb₂₁S₄₈	Mon. 2/m
2.JB.40a	Ramdohrite	Pb_5.9Fe_0.1Mn_0.1In_0.1Cd_0.2Ag_2.8Sb_10.8S₂₄	Mon. 2/m
2.JB.40e	Ustarasite	Pb(Bi,Sb)₆S₁₀ (?)
2.JB.40a	'Bursaite'	Pb₅Bi₄S₁₁ (?)	Orth.
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	Terrywallaceite	AgPb(Sb,Bi)₃S₆	Mon. 2/m : P2₁/b
2.JB.40a	Jasrouxite	Ag₁₆Pb₄(Sb₂₅As₁₅)S₇₂	Tric. 1 : P1
2.JB.40a	Tarutinoite	Ag₃Pb₇Bi₇S₁₉	Mon. 2/m : B2/m
2.JB.40a	Oyonite	Ag₃Mn₂Pb₄Sb₇As₄S₂₄	Mon. 2/m
2.JB.40b	Heyrovskýite	Pb₆Bi₂S₉	Orth. mmm(2/m2/m2/m) : Cccm
2.JB.40a	Quatrandorite	AgPbSb₃S₆	Mon. 2/m : P2₁/b
2.JB.40a	Erzwiesite	Ag₈Pb₁₂Bi₁₆S₄₀	Orth. mmm(2/m2/m2/m) : Cmcm
2.JB.40a	Vikingite	Ag₅Pb₈Bi₁₃S₃₀	Mon. 2/m : B2/m
2.JB.40a	Lillianite	Pb_3-2xAg_xBi_2+xS₆	Orth. mmm(2/m2/m2/m)
2.JB.40b	Baiamareite	Ag₄Pb₁₂Fe₄Sb₂₀S₄₈	Mon. 2/m
2.JB.40a	Staročeskéite	Ag_0.70Pb_1.60(Bi_1.35Sb_1.35)_Σ2.70S₆	Orth. mmm(2/m2/m2/m) : Cmcm
2.JB.40a	Roshchinite	Ag₁₉Pb₁₀Sb₅₁S₉₆	Orth. mmm(2/m2/m2/m) : Pnma
2.JB.40b	Aschamalmite	Pb_6-3xBi_2+xS₉	Mon. 2/m : B2/m
2.JB.40b	Eskimoite	Ag₇Pb₁₀Bi₁₅S₃₆	Mon.
2.JB.40a	Menchettiite	AgPb_2.40Mn_1.60Sb₃As₂S₁₂	Mon. 2/m : P2₁/b
2.JB.40a	Holubite	Ag₃Pb₆(Sb₈Bi₃)S₂₄	Mon. 2/m
2.JB.40a	Brusnitsynite	Mn₃CuPbAs₃Sb₂S₁₂	Mon. 2/m : P2₁/b
2.JB.40a	Treasurite	Ag₇Pb₆Bi₁₅S₃₂	Mon.
2.JB.40c	Ourayite	Ag₃Pb₄Bi₅S₁₃	Orth.
2.JB.40a	Uchucchacuaite	AgMnPb₃Sb₅S₁₂	Orth. mmm(2/m2/m2/m) : Pmmm
2.JB.40d	'Schirmerite'	PbAgBi₃S₆ - Pb₃Ag_1.5Bi_3.5S₉	Orth.
2.JB.40a	Xilingolite	Pb₃Bi₂S₆	Mon.
2.JB.40a	Gustavite	AgPbBi₃S₆	Orth. mmm(2/m2/m2/m)
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	Mon. 2/m : B2/b
2.JB.65	Tazieffite	Pb₂₀Cd₂(As,Bi)₂₂S₅₀Cl₁₀	Mon. 2/m : B2/b
2.JB.70	Daliranite	PbHgAs₂S₅	Mon.

Other InformationHide

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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https://www.mindat.org/min-46429.html
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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

Mineral Dealers:

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References for AndreadiniiteHide

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

(2020) Andreadiniite. Handbook of Mineralogy. Mineralogical Society of America

Localities for AndreadiniiteHide

Showing 1 localities.

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.

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Locality ListHide

- 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

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Andreadiniite

About AndreadiniiteHide

Unique IdentifiersHide

IMA Classification of AndreadiniiteHide

Classification of AndreadiniiteHide

Mineral SymbolsHide

Physical Properties of AndreadiniiteHide

Optical Data of AndreadiniiteHide

Chemistry of AndreadiniiteHide

Crystallography of AndreadiniiteHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of AndreadiniiteHide

Synonyms of AndreadiniiteHide

Other Language Names for AndreadiniiteHide

Relationship of Andreadiniite to other SpeciesHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

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Related Minerals - Strunz-mindat Grouping Hide