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Danielsite

A valid IMA mineral species
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06462260015926379924055.jpg
Danielsite, etc.

Coppin Pool, Tom Price, Ashburton Shire, Western Australia, Australia
06952040015937759036596.jpg
Danielsite, etc.

Coppin Pool, Tom Price, Ashburton Shire, Western Australia, Australia
01611460016830805169907.jpg
Danielsite, etc.

Coppin Pool, Tom Price, Ashburton Shire, Western Australia, Australia
01314360015925727197081.jpg
Danielsite, etc.

Coppin Pool, Tom Price, Ashburton Shire, Western Australia, Australia
07275960015926852208463.jpg
Danielsite, etc.

Coppin Pool, Tom Price, Ashburton Shire, Western Australia, Australia
09547280015925725938006.jpg
Danielsite, etc.

Coppin Pool, Tom Price, Ashburton Shire, Western Australia, Australia
04219720015925731616502.jpg
Danielsite, etc.

Coppin Pool, Tom Price, Ashburton Shire, Western Australia, Australia
06952040015937759036596.jpg
Danielsite, etc.

Coppin Pool, Tom Price, Ashburton Shire, Western Australia, Australia
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About DanielsiteHide

Formula:
(Cu,Ag)14HgS8
Colour:
Grey
Lustre:
Metallic
Hardness:
1½ - 2
Specific Gravity:
6.541 (Calculated)
Crystal System:
Orthorhombic
Name:
Named in 1987 by Ernest H. Nickel in honor of Dr. John L. Daniels (1931– ), geologist with Geoscan Pty. Ltd. who collected the material in which the mineral was found. He was also Supervisor for the Regional Geological Mapping Division of the Geological Survey of Western Australia and was the first person to investigate the Giles Complex.
Compare balkanite.


Unique IdentifiersHide

Mindat ID:
1219
Long-form identifier:
mindat:1:1:1219:1
GUID
(UUID V4):
31cd4046-77a0-4891-9ee5-4edac781d653

IMA Classification of DanielsiteHide

Classification of DanielsiteHide

Strunz-mindat (2023):
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 ed.:
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

Mineral SymbolsHide

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

SymbolSourceReference
DnsIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of DanielsiteHide

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

Optical Data of DanielsiteHide

Anisotropism:
Moderate in shades of gray
Bireflectance:
Weak
Reflectivity:
WavelengthR1R2
470nm34% 32%
546nm31% 30%
589nm30% 28%
650nm29% 27%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 34%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Gray
Comments:
Very similar in appearance to stromeyerite but with less anisotropism.

Chemistry of DanielsiteHide

Mindat Formula:
(Cu,Ag)14HgS8
Elements listed:
Ag, Cu, Hg, S - search for minerals with similar chemistry

Crystallography of DanielsiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 9.644 Å, b = 9.180 Å, c = 18.156 Å
Ratio:
a:b:c = 1.051 : 1 : 1.978
Unit Cell V:
1,607.39 ų (Calculated from Unit Cell)
Z:
4
Morphology:
20 micron masses in anglesite
Comment:
Point Group: n.d.; Space Group: n.d.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.622 Å(100)
1.959 Å(60)
1.875 Å(60)
2.392 Å(50)
2.831 Å(30)
4.44 Å(20)
3.648 Å(20)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47b : [Sulfates and sulfites]
47h : [Near-surface oxidized, dehydrated minerals]

Type Occurrence of DanielsiteHide

Type Locality:
ⓘ Coppin Pool, Tom Price, Ashburton Shire, Western Australia, Australia
General Appearance of Type Material:
Ragged, polycrystalline masses, generally intergrown with other minerals and as small inclusions in anglesite. Individual grains in the polycrystalline masses are about 20 microns, maximum diameter.
Place of Conservation of Type Material:
W.A. State Mineral Collection, Government Chemical Laboratories, Perth, Australia.
Museum of Victoria, Melbourne, Australia.
Geological Setting of Type Material:
Weathering product in quartz vein.
Associated Minerals at Type Locality:
StromeyeriteCovelliteCinnabarChalcociteAnglesite
Reference:
Nickel, E.H. (1987) Danielsite: a new sulfide mineral from Western Australia. American Mineralogist: 72: 401-403.
Download:
https://rruff.info/rruff_1.0/uploads/AM72_401.pdf

Synonyms of DanielsiteHide

Other Language Names for DanielsiteHide

German:Danielsit
Spanish:Danielsita

Common AssociatesHide

Associated Minerals Based on Photo Data:
6 photos of Danielsite associated with AnglesitePbSO4
6 photos of Danielsite associated with StromeyeriteAgCuS
2 photos of Danielsite associated with ChalcociteCu2S
2 photos of Danielsite associated with CovelliteCuS
2 photos of Danielsite associated with GalenaPbS

Related Minerals - Strunz-mindat GroupingHide

2.BD.UM2004-33-S:AgCuHgSe(Ag,Cu)8Hg3(S,Se)7
2.BD.VrančiceiteCu10Hg3S8Tric. 1 : P1
2.BD.05ImiteriteAg2HgS2Mon. 2/m : P21/b
2.BD.10GortdrumiteCu24Fe2Hg9S23Tric. 1 : P1
2.BD.15BalkaniteCu9Ag5HgS8Mon. 2/m : P2/m
2.BD.20DonharrisiteNi3HgS3Mon. 2/m : B2/m
2.BD.25CarliniteTl2STrig. 3 : R3
2.BD.30Bukovite(Cu3Fe)ÎŁ4Tl2Se4Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.BD.30MurunskiteK2(Cu,Fe)4S4Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.BD.30ThalcusiteTl2Cu3FeS4Tet.
2.BD.35Rohaite(Tl,Pb,K)2Cu8.7Sb2S4Orth.
2.BD.40ChalcothalliteTl2(Cu,Fe)6SbS4Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.BD.45SabatieriteTlCu6Se4Orth.
2.BD.50CrookesiteCu7(Tl, Ag)Se4Tet.
2.BD.55BrodtkorbiteCu2HgSe2Mon. 2/m : P21/m

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 DanielsiteHide

References for DanielsiteHide

Localities for DanielsiteHide

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.

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.
Australia (TL)
 
  • Western Australia
    • Ashburton Shire
      • Tom Price
Nickel, Ernest H. (1987) Danielsite: A new sulfide mineral from Western Australia. American Mineralogist, 72 (3-4) 401-403
Austria
 
  • Tyrol
    • KitzbĂŒhel District
      • Oberndorf in Tirol
CD with abstracts, Abs. no. 292
Steiner, M., Vavtar, F., Tropper, P. (2008): Rare Ag ores (danielsite, balkanite) from the fahlore deposit of the RöhrerbĂŒhel (N-Tyrol, Austria). Poster, Annual Meeting of the DMG, Berlin, Germany, September 14-17, 2008
Steiner M., Vavtar F., Tropper P., Kaindl R. (2009): Silbererze (Balkanit und Danielsit) in den Fahlerzen von RöhrerbĂŒhel. 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 RöhrerbĂŒhel, KitzbĂŒhel (N-Tyrol, Austria). N. Jb. Mineral. Abh. 187, 207-215.
Belgium
 
  • Wallonia
    • Luxembourg
      • Vielsalm
        • SalmchĂąteau
perso.infonie.be (2004) http://perso.infonie.be/jose.dehove/photos/Salmchateau.htm
China
 
  • Anhui
    • Hefei
      • Lujiang Co.
LIU, J., CHEN, J., FAN, Y., LIU, J., & LI, X. (2021). Study on geological characteristics and critical metal deportment of the Huangzhuyuan silver polymetallic deposit in Luzong basin, Anhui Province. Acta Petrologica Sinica, 37(9), 2805-2820.
Poland
 
  • Lubusz Voivodeship
    • Zielona GĂłra County
Krzeminski, P. (2015, August). Textures and geochemistry of silver minerals from Kupferschiefer in the western part of Fore-Sudetic Monocline. In Mineral Resources in a Sustainable World, Proceedings of the 13th SGA Biennial Meeting, Nancy, France (pp. 24-27).
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