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Danielsite

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Formula:
(Cu,Ag)14HgS8
System:
Orthorhombic
Colour:
Grey
Lustre:
Metallic
Hardness:
1½ - 2
Name:
For Dr. John L. Daniels
Compare balkanite.

Classification of Danielsite

Approved
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
2.16.7.2

2 : SULFIDES
16 : Miscellaneous
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

Year of Discovery:
1987
Geological Setting of Type Material:
Weathering product in quartz vein.
Associated Minerals at Type Locality:

Physical Properties of Danielsite

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

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)14HgS8
Essential elements:
All elements listed in formula:

Relationship of Danielsite to other Species

2.BD.UM2004-33-S:AgCuHgSe(Ag,Cu)8Hg3(S,Se)7
2.BD.05ImiteriteAg2HgS2
2.BD.10GortdrumiteCu18FeHg6S16
2.BD.15BalkaniteCu9Ag5HgS8
2.BD.20DonharrisiteNi8Hg3S9
2.BD.25CarliniteTl2S
2.BD.30BukoviteTl2(Cu,Fe)4Se4
2.BD.30MurunskiteK2(Cu,Fe)4S4
2.BD.30ThalcusiteTl2Cu3FeS4
2.BD.35Rohaite(Tl,Pb,K)2Cu8.7Sb2S4
2.BD.40ChalcothalliteTl2(Cu,Fe)6SbS4
2.BD.45SabatieriteCu6TlSe4
2.BD.50CrookesiteCu7(Tl, Ag)Se4
2.BD.55BrodtkorbiteCu2HgSe2
3.5.1CinnabarHgS
3.5.2HypercinnabarHgS
3.5.3MetacinnabarHgS
3.5.4ImiteriteAg2HgS2
3.5.5TiemanniteHgSe
3.5.6BalkaniteCu9Ag5HgS8
3.5.8ColoradoiteHgTe
3.5.9GortdrumiteCu18FeHg6S16
3.5.10Polhemusite(Zn,Hg)S
3.5.11CarliniteTl2S
3.5.12CrookesiteCu7(Tl, Ag)Se4
3.5.13SabatieriteCu6TlSe4
3.5.14PicotpauliteTlFe2S3
3.5.15RaguiniteTlFeS2
3.5.16ThalcusiteTl2Cu3FeS4
3.5.17BukoviteTl2(Cu,Fe)4Se4
3.5.18GalliteCuGaS2
3.5.19RoquesiteCuInS2
3.5.20InditeFeIn2S4

Other Names for Danielsite

Name in Other Languages:
German:Danielsit
Simplified Chinese:银铜硫汞矿
Spanish:Danielsita

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 Danielsite

Reference List:
Nickel, E. H. (1987): Danielsite: a new sulfide mineral from Western Australia. American Mineralogist 72, 401-403.

American Mineralogist: 73: 187-188. (Abs.)

Internet Links for Danielsite

Localities for Danielsite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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 (TL)
 
  • Western Australia
    • Ashburton Shire
      • Tom Price
Nickel, E. H. (1987): Danielsite: a new sulfide mineral from Western Australia. American Mineralogist 72, 401-403.
Austria
 
  • Tyrol
    • North Tyrol
      • Kitzbühel Alps
        • 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
Mineral and/or Locality  
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