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Danielsite

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Formula:
(Cu,Ag)
 
14
HgS
 
8
System:OrthorhombicColour:Grey
Lustre:MetallicHardness:1½ - 2
Name:For Dr. John L. Daniels


Compare balkanite.

Classification of Danielsite

IMA status:Approved
Strunz 8th edition ID:2/B.09-10
Nickel-Strunz 10th (pending) edition ID:2.BD.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
D : With Hg, Tl
Dana 8th edition ID:2.16.7.2

2 : SULFIDES
16 : Miscellaneous
Hey's CIM Ref.:3.5.7

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
5 : Sulphides etc. of Hg and Tl
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Type Occurrence of Danielsite

Type Locality:Coppin Pool, Western Australia, Australia
Year of Discovery:1987
Geological Setting of type material:Weathering product in quartz vein.
Associated Minerals at type locality:
StromeyeriteCovelliteCinnabarChalcociteAnglesite

Physical Properties of Danielsite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Grey
Hardness (Mohs):1½ - 2
Hardness (Vickers):VHN10=38 kg/mm2
Tenacity:Brittle
Density (calculated):6.541 g/cm3

Crystallography of Danielsite

Crystal System:Orthorhombic
Cell Parameters:a = 9.644Å, b = 9.180Å, c = 18.156Å
Ratio:a:b:c = 1.051 : 1 : 1.978
Unit Cell Volume:V 1,607.39 ų (Calculated from Unit Cell)
Z:4
Morphology:20 micron masses in anglesite

Optical Data of Danielsite

Type:Anisotropic
Anisotropism:Moderate in shades of gray
Colour in reflected light:Gray

Chemical Properties of Danielsite

Formula:
(Cu,Ag)
 
14
HgS
 
8
Essential elements:Cu, Hg, S
All elements listed in formula:Ag, Cu, Hg, S

Relationship of Danielsite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.BD.UM2004-33-S:AgCuHgSe
(Ag,Cu)
 
8
Hg
 
3
(S,Se)
 
7
2.BD.05Imiterite
Ag
 
2
HgS
 
2
2.BD.10Gortdrumite
(Cu,Fe)
 
6
Hg
 
2
S
 
5
2.BD.15Balkanite
Cu
 
9
Ag
 
5
HgS
 
8
2.BD.20Donharrisite
Ni
 
8
Hg
 
3
S
 
9
2.BD.25Carlinite
Tl
 
2
S
2.BD.30Bukovite
Tl
 
2
(Cu,Fe)
 
4
Se
 
4
2.BD.30Murunskite
K
 
2
(Cu,Fe)
 
4
S
 
4
2.BD.30Thalcusite
Tl
 
2
Cu
 
3
FeS
 
4
2.BD.35Rohaite
(Tl,Pb,K)
 
2
Cu
 
8.7
Sb
 
2
S
 
4
2.BD.40Chalcothallite
Tl
 
2
(Cu,Fe)
 
6
SbS
 
4
2.BD.45Sabatierite
Cu
 
6
TlSe
 
4
2.BD.50Crookesite
Cu
 
7
(Tl, Ag)Se
 
4
2.BD.55Brodtkorbite
Cu
 
2
HgSe
 
2
Related Minerals - Hey's Index Grouping:

- +
3.5.1Cinnabar
HgS
3.5.2Hypercinnabar
HgS
3.5.3Metacinnabar
HgS
3.5.4Imiterite
Ag
 
2
HgS
 
2
3.5.5Tiemannite
HgSe
3.5.6Balkanite
Cu
 
9
Ag
 
5
HgS
 
8
3.5.8Coloradoite
HgTe
3.5.9Gortdrumite
(Cu,Fe)
 
6
Hg
 
2
S
 
5
3.5.10Polhemusite
(Zn,Hg)S
3.5.11Carlinite
Tl
 
2
S
3.5.12Crookesite
Cu
 
7
(Tl, Ag)Se
 
4
3.5.13Sabatierite
Cu
 
6
TlSe
 
4
3.5.14Picotpaulite
TlFe
 
2
S
 
3
3.5.15Raguinite
TlFeS
 
2
3.5.16Thalcusite
Tl
 
2
Cu
 
3
FeS
 
4
3.5.17Bukovite
Tl
 
2
(Cu,Fe)
 
4
Se
 
4
3.5.18Gallite
CuGaS
 
2
3.5.19Roquesite
CuInS
 
2
3.5.20Indite
FeIn
 
2
S
 
4

Other Names for Danielsite

Synonyms:
IMA1984-044
Other Languages:
German:Danielsit
Simplified Chinese:银铜硫汞矿
Spanish:Danielsita

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 Danielsite

Reference List:

- +
American Mineralogist: 72: 401-403.

American Mineralogist: 73: 187-188.

Internet Links for Danielsite

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  • Danielsite details from Handbook of Mineralogy (PDF)
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    • Localities for Danielsite

    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.
    Hide Locality List
    (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.
    Australia
     
    • Western Australia
    		American Mineralogist, Volume 72, pages 401-403, 1987
    Austria
     
    • Tyrol
      • North Tyrol
        • Kitzbüheler Alpen Mts
          • Fieberbrunn
    		Steiner, M., Vavtar, F., Tropper, P. (2008): Rare Ag ores (danielsite, balkanite) from the fahlore deposit of the Röhrerbühel (N-Tyrol, Austria). Poster, Annual Meeting of the DMG, Berlin, Germany, September 14-17, 2008; CD with abstracts, Abs. no. 292; Steiner M., Vavtar F., Tropper P., Kaindl R. (2009): Silbererze (Balkanit und Danielsit) in den Fahlerzen von Röhrerbühel. In: Oeggl K., Prast M. (Hrsg.), Die Geschichte des Bergbaus in Tirol und seinen angrenzenden Gebieten. Proceedings zum 3. Milestone-Meeting des SFB-HiMAT vom 23.–26. 10. 2008 in Silbertal, Innsbruck, 193-195.; Steiner, M., Tropper, P., Vavtar, F., Kaindl, R. & Krismer, M. (2010): Balkanite from the Cu ore deposit Röhrerbühel, Kitzbühel (N-Tyrol, Austria). N. Jb. Mineral. Abh. 187, 207-215.
    Belgium
     
    • Luxembourg Province
      • Stavelot Massif
        • Vielsalm
    		http://perso.infonie.be/jose.dehove/photos/Salmchateau.htm
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