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Mazzettiite

Formula:
Ag
 
3
HgPbSbTe
 
5
System:OrthorhombicHardness:3 - 3½
Name:For Guiseppee Mazzetti, curator in chief Mineralogy section, Museo di Storia Naturale, Universita di Firenze.
This page provides mineralogical data about Mazzettiite.

Classification of Mazzettiite

IMA status:Approved 2004
Nickel-Strunz 10th (pending) edition ID:2.LB.40

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
L : Unclassified Sulfosalts
B : With essential Pb
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Type Occurrence of Mazzettiite

Type Locality:Findley Gulch (Findlay Gulch), Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA
Place of Conservation of Type Material:Museo di Storia Naturale, Universita di Firenze

Physical Properties of Mazzettiite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Streak:Black
Hardness (Mohs):3 - 3½
Hardness (Vickers):VHN25=101 kg/mm2
Tenacity:Brittle
Cleavage:None Observed

Crystallography of Mazzettiite

Crystal System:Orthorhombic
Cell Parameters:a = 16.495Å, b = 14.762Å, c = 4.506Å
Ratio:a:b:c = 1.117 : 1 : 0.305
Unit Cell Volume:V 1,097.21 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
3.65(60)
3.60 (40)
3.26 (50)
3.17 (60)
3.01 (100)
2.754 (60)
2.316 (45)
2.137 (50)

Optical Data of Mazzettiite

Type:Anisotropic
Anisotropism:Moderate
Bireflectance:Weakly to moderately
Colour in reflected light:Light grey
Internal Reflections:None

Chemical Properties of Mazzettiite

Formula:
Ag
 
3
HgPbSbTe
 
5
All elements listed in formula:Ag, Hg, Pb, Sb, Te

Relationship of Mazzettiite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.LB.05Miharaite
Cu
 
4
FePbBiS
 
6
2.LB.30Ardaite
Pb
 
19
Sb
 
13
S
 
35
Cl
 
7
2.LB.30Launayite
Pb
 
22
Sb
 
26
S
 
61
2.LB.30Madocite
Pb
 
17
Sb
 
16
S
 
41
2.LB.30Playfairite
Pb
 
16
Sb
 
18
S
 
43
2.LB.30Sorbyite
Pb
 
19
(Sb,As)
 
20
S
 
49
2.LB.30Sterryite
Ag
 
2
Pb
 
10
(Sb,As)
 
12
S
 
29
2.LB.35Larosite
(Cu,Ag)
 
21
(Pb,Bi)
 
2
S
 
13
2.LB.40Petrovicite
Cu
 
3
HgPbBiSe
 
5
2.LB.45Crerarite
Pt
 
2-x
(Bi,Pb)
 
11
(S,Se)
 
11

Other Names for Mazzettiite

Synonyms:
IMA2004-003
Other Languages:

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Mazzettiite

Reference List:Can Min 42(6) pp1739-1743

Internet Links for Mazzettiite

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Mazzettiite in the Natural History Museum (London) online catalogue
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    Localities for Mazzettiite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    USA
     
    • Colorado
      • Saguache Co.
        • Bonanza District (Kerber Creek District)
    		Am Min 90:1229
    Mineral and/or Locality
    Google
     
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