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Novakite

Formula:
Cu
 
20
AgAs
 
10
System:MonoclinicColour:Grey to creamy white
Lustre:MetallicHardness:3 - 3½
This page provides mineralogical data about Novakite.

Classification of Novakite

IMA status:Approved
Strunz 8th edition ID:2/A.01-60
Nickel-Strunz 10th (pending) edition ID:2.AA.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
A : Alloys
A : Alloys of metalloids with Cu, Ag, Au
Dana 8th edition ID:2.4.18.1

2 : SULFIDES
4 : AmBnXp, with (m+n):p = 2:1
Hey's CIM Ref.:1.39

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
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Type Occurrence of Novakite

Type Locality:Cerný Dul (Schwarzenthal), Krkonoše Mts, Hradec Králové Region, Bohemia (Böhmen; Boehmen), Czech Republic
Year of Discovery:1959

Physical Properties of Novakite

Lustre:Metallic
Colour:Grey to creamy white
Hardness (Mohs):3 - 3½

Crystallography of Novakite

Crystal System:Monoclinic
Cell Parameters:a = 16.29Å, b = 11.71Å, c = 10Å
β = 112.7°
Ratio:a:b:c = 1.391 : 1 : 0.854
Unit Cell Volume:V 1,759.80 ų (Calculated from Unit Cell)

Chemical Properties of Novakite

Formula:
Cu
 
20
AgAs
 
10
Essential elements:Ag, As, Cu
All elements listed in formula:Ag, As, Cu

Relationship of Novakite to other Species

Related Minerals - Nickel-Strunz Grouping):
2.AA.05Algodonite
(Cu
 
1-x
As
 
x
)
2.AA.10Domeykite
Cu
 
3
As
2.AA.10Koutekite
Cu
 
5
As
 
2
2.AA.20Cuprostibite
Cu
 
2
(Sb,Tl)
2.AA.20Horsfordite
2.AA.25Kutinaite
Cu
 
2
AgAs
2.AA.30Allargentum
(Ag
 
1-x
Sb
 
x
)
2.AA.35Dyscrasite
Ag
 
3
Sb
2.AA.40Maldonite
Au
 
2
Bi
2.AA.45Stistaite
SnSb
Related Minerals - Hey's Index Grouping:
1.1Copper
Cu
1.2Silver
Ag
1.5Gold
Au
1.6Auricupride
Cu
 
3
Au
1.7Tetra-auricupride
AuCu
1.8Zinc
Zn
1.9Cadmium
Cd
1.10Danbaite
CuZn
 
2
1.11Zhanghengite
CuZn
1.12Mercury
Hg
1.13Kolymite
Cu
 
7
Hg
 
6
1.14Moschellandsbergite
Ag
 
2
Hg
 
3
1.15Eugenite
Ag
 
11
Hg
 
2
1.16Schachnerite
Ag
 
1.1
Hg
 
0.9
1.17Paraschachnerite
Ag
 
3
Hg
 
2
1.18Luanheite
Ag
 
3
Hg
1.19Weishanite
(Au,Ag)
 
3
Hg
 
2
1.20Indium
In
1.21Aluminium
Al
1.22Khatyrkite
(Cu,Zn)Al
 
2
1.23Cupalite
(Cu,Zn)Al
1.24Diamond
C
1.25Graphite
C
1.26Chaoite
C
1.27Lonsdaleite
C
1.28Silicon
Si
1.29Tin
Sn
1.30Lead
Pb
1.31Anyuiite
Au(Pb,Sb)
 
2
1.31Novodneprite
AuPb
 
3
1.32Leadamalgam
HgPb
 
2
1.33Arsenic
As
1.34Arsenolamprite
As
1.35Paxite
CuAs
 
2
1.36Koutekite
Cu
 
5
As
 
2
1.37Domeykite
Cu
 
3
As
1.38Algodonite
(Cu
 
1-x
As
 
x
)
1.40Kutinaite
Cu
 
2
AgAs
1.41Antimony
Sb
1.42Stibarsen
AsSb
1.43Paradocrasite
Sb
 
3
As
1.44Horsfordite
1.45Cuprostibite
Cu
 
2
(Sb,Tl)
1.46Allargentum
(Ag
 
1-x
Sb
 
x
)
1.47Aurostibite
AuSb
 
2
1.48Dyscrasite
Ag
 
3
Sb
1.49Bismuth
Bi
1.50Maldonite
Au
 
2
Bi
1.51Sulphur
S
 
8
1.52Rosickýite
S
1.53Selenium
Se
1.54Tellurium
Te
1.55Chromium
Cr
1.56Rhenium
Re
1.57Iron
Fe
1.58Chromferide
Fe
 
3
Cr
 
1-x
 (x=0.6)
1.59Ferchromide
Cr
 
1.5
Fe
 
0.5-x
1.60Wairauite
CoFe
1.61Nickel
Ni
1.62Kamacite
(Fe,Ni)
1.63Taenite
(Fe,Ni)
1.64Tetrataenite
FeNi
1.65Awaruite
Ni
 
3
Fe
1.66Palladium
(Pd,Pt)
1.67Potarite
PdHg
1.68Paolovite
Pd
 
2
Sn
1.69Stannopalladinite
(Pd,Cu)
 
3
Sn
 
2
1.70Cabriite
Pd
 
2
SnCu
1.71Taimyrite
(Pd,Cu,Pt)
 
3
Sn
1.72Atokite
(Pd,Pt)
 
3
Sn
1.73Rustenburgite
(Pt,Pd)
 
3
Sn
1.74Zvyagintsevite
(Pd,Pt,Au)
 
3
(Pb,Sn)
1.75Plumbopalladinite
Pb
 
2
Pd
 
3
1.76Osmium
(Os,Ir,Ru)
1.77Iridium
(Ir,Os,Ru)
1.82Platinum
Pt
1.83Hongshiite
PtCu
1.84Niggliite
PtSn
1.85Isoferroplatinum
Pt
 
3
Fe
1.86Tetraferroplatinum
PtFe
1.87Tulameenite
Pt
 
2
CuFe
1.88Ferronickelplatinum
Pt
 
2
FeNi
1.89Rhodium
(Rh,Pt)

Other Names for Novakite

German names:
Novakit
Spanish names:
Novakita

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 Novakite

Reference List:American Mineralogist (1961): 46: 885-891.

Tschermaks Mineralogische und Petrographische Mitteilungen (1985): 34: 167-182.

Internet Links for Novakite

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  • Raman and XRD data at RRUFF project
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  • Novakite details from Handbook of Mineralogy (PDF)
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    Localities for Novakite

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    The 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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    (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.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Hradec Králové Region
        • Krkonoše Mts
    		Chemie der Erde (1959) 20, p. 49
        • Náchod (Nachod)
    		• Černý, P., Doubek, Z., Veselovský, F.: Nerosty z Bělovsi u Náchoda – Jiráskova lomu. Minerál, roč. 11, č. 6, s. 406 - 418.
    USA
     
    • Colorado
      • Montrose Co.
    		Minerals of Colorado (1997) Eckels, E. B.
    Mineral and/or Locality
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