Yu Zuxiang, Lin Shujen, Chao Pao, Fang Chingsung, and Huang Chishun (1974) A preliminary study of some new minerals of the platinum-group and another associated new one in a platinum-bearing intrusion in a region of China. Acta Geologica Sinica: 48(2): 202-218 (in Chinese with English abstract).

Classification of DaomaniteHide

Strunz-mindat (2026):

2.LA.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
L : Unclassified Sulfosalts
A : Without essential Pb

Dana 8th ed.:

2.5.7.1

2 : SULFIDES
5 : A_mB_nX_p, with (m+n):p = 3:2

Hey's CIM Ref.:

3.12.53

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals

Mineral SymbolsHide

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

Symbol	Source	Reference for Standard
Dao	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of DaomaniteHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

Steel gray with yellow tint

Hardness:

3½ on Mohs scale

Hardness:

VHN₁₀=169 - 175 kg/mm² - Vickers

Tenacity:

Brittle

Cleavage:

Distinct/Good
Four sets (from best to least perfect) {100} {010} {001} {110}

Fracture:

Irregular/Uneven, Step-Like

Density:

7.57 g/cm³ (Calculated)

Optical Data of DaomaniteHide

Anisotropism:

Strong

Bireflectance:

distinct

Reflectivity:

Wavelength	R₁ (%)	R₂ (%)
400nm	37.0%	44.0%
420nm	37.9%	44.6%
440nm	39.1%	45.0%
460nm	40.4%	45.3%
480nm	41.5%	45.5%
500nm	42.2%	45.6%
520nm	42.8%	45.4%
540nm	42.9%	45.3%
560nm	42.8%	45.2%
580nm	42.4%	45.0%
600nm	41.8%	44.8%
620nm	41.2%	44.7%
640nm	40.6%	44.5%
660nm	40.1%	44.4%
680nm	39.8%	44.0%
700nm	39.7%	43.7%

Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 45.6%.
R₁ shown in black, R₂ shown in red

Colour in reflected light:

Light greenish yellow

Pleochroism:

Visible

Comments:

Gold-yellow and grayish green.

Chemistry of DaomaniteHide

Mindat Formula:

CuPtAsS₂

Element Weights:

Element	% weight
Pt	49.055 %
As	18.840 %
S	16.126 %
Cu	15.979 %

Calculated from ideal end-member formula.

Elements listed:

As, Cu, Pt, S - search for minerals with similar chemistry

Crystallography of DaomaniteHide

Crystal System:

Orthorhombic

Cell Parameters:

a = 5.93 Å, b = 16.23 Å, c = 3.67 Å

Ratio:

a:b:c = 0.365 : 1 : 0.226

Unit Cell V:

353.22 Å³ (Calculated from Unit Cell)

Morphology:

Tabular crystals to 0.3 mm.

Twinning:

On {010}, forming “elbow twins”.
Can exhibit multiple twinning.

Comment:

Point Group: 2/m 2/m 2/m or mm2.; Space Group: Amam, Amam, or Ama21.

Crystal StructureHide

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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4

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CIF File Best | x | y | z | a | b | c

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Stop | Start

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0019983	Daomanite	Ding K, He C, Zheng Q (1982) Determination of daomanite crystal structure Kexue Tongbao 27 62-66		1982	Tao and Ma districts, Fengning County, Chengde Prefecture, Hebei Province, China	0	293
0019982	Daomanite	Ding K, He C, Zheng Q (1982) Determination of daomanite crystal structure Kexue Tongbao 27 62-66		1982	Tao and Ma districts, Fengning County, Chengde Prefecture, Hebei Province, China	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Daomanite'
loop_
_publ_author_name
'Ding K'
'He C'
'Zheng Q'
_journal_name_full 'Kexue Tongbao'
_journal_volume 27 
_journal_year 1982
_journal_page_first 62
_journal_page_last 66
_publ_section_title
;
 Determination of daomanite crystal structure
;
_database_code_amcsd 0019983
_chemical_compound_source 'Tao and Ma districts, Fengning County, Chengde Prefecture, Hebei Province, China'
_chemical_formula_sum 'Pt Cu As S2'
_cell_length_a 3.756
_cell_length_b 15.876
_cell_length_c 5.852
_cell_angle_alpha 90
_cell_angle_beta 90.
_cell_angle_gamma 90
_cell_volume 348.956
_exptl_crystal_density_diffrn      7.570
_symmetry_space_group_name_H-M 'C 1 c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Pt   0.05300   0.18000   0.25000
Cu   0.05200   0.45400   0.24900
As   0.05200   0.23000   0.86700
S1   0.05000   0.41600   0.65000
S2   0.05000   0.11600   0.65000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
2.93 Å	(100)
3.29 Å	(60)
7.95 Å	(50)
1.63 Å	(50)
1.006 Å	(50)
0.9299 Å	(50)
2.72 Å	(40)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 3b: Earth’s earliest hydrosphere	>4.45
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)

Type Occurrence of DaomaniteHide

Co-Type Localities:

ⓘ Sandao village (Tao District), Fengning County, Chengde, Hebei, China
ⓘ Daomanite locality, Tiema-Habaqin complex, Luanping County, Chengde, Hebei, China

Place of Conservation of Type Material:

National Museum for Geology, Beijing, China, number M10122 (type).

Geological Setting of Type Material:

Pyroxenite type platinum ores. Often found replacing
bornite.

Associated Minerals at Type Locality:

Bornite	Carrollite	Chalcopyrite	Cooperite	Damiaoite
Galena	Molybdenite	Moncheite	Pyrite	Sperrylite
Tetrahedrite Subgroup	Yixunite

Reference:

Other Language Names for DaomaniteHide

Dutch:Daomaniet

German:Daomanit

Simplified Chinese:道马矿
硫砷铜铂矿

Spanish:Daomanita

Related Minerals - Strunz-mindat Grouping Hide

2.LA.	Thunderbayite	TlAg₃Au₃Sb₇S₆	Tric. 1 : P1
2.LA.	Auerbakhite	MnTl₂As₂S₅	Orth.
2.LA.	Biagioniite	Tl₂SbS₂	Mon. m : Pb
2.LA.	Ferrofettelite	[Ag₆As₂S₇][Ag₁₀FeAs₂S₈]	Mon. 2 : B2
2.LA.	Gladkovskyite	MnTlAs₃S₆	Trig. 3m : R3c
2.LA.10	Dervillite	Ag₂AsS₂	Mon. m : Pb
2.LA.20	Vaughanite	TlHgSb₄S₇	Tric.
2.LA.25	Criddleite	TlAg₂Au₃Sb₁₀S₁₀	Mon.
2.LA.30	Fettelite	[Ag₆As₂S₇][Ag₁₀HgAs₂S₈]	Mon. 2 : B2
2.LA.35	Chaméanite	(Cu,Fe)₄As(Se,S)₄	Iso.
2.LA.40	Arcubisite	Ag₆CuBiS₄
2.LA.45	Mgriite	Cu₃AsSe₃	Iso. m3m(4/m32/m)
2.LA.50	Benleonardite	[Ag₆(Sb,As)₂S₆Te][Ag₉Cu(S,Te)₂Te₂]	Trig. 3m(32/m) : P3m1
2.LA.55	Tsnigriite	Ag₉SbTe₃S₃	Mon.
2.LA.60	Borovskite	Pd₃SbTe₄	Iso.
2.LA.65	Jonassonite	AuBi₅S₄	Mon.
2.LA.65	Nuwaite	Ni₆GeS₂	Tet. 4/mmm(4/m2/m2/m) : I4/mmm
2.LA.65	Butianite	Ni₆SnS₂	Tet. 4/mmm(4/m2/m2/m) : I4/mmm
2.LA.70	Raberite	Tl₅Ag₄As₆SbS₁₅	Tric. 1 : P1
2.LA.75	Spaltiite	Tl₂Cu₂As₂S₅	Mon. 2/m : P2₁/b

Other InformationHide

Magnetism:

Non-Magnetic

Notes:

Not attacked by HCl, HNO3, or H3PO4.

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 DaomaniteHide

mindat.org URL:

https://www.mindat.org/min-1222.html
Please feel free to link to this page.

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External Links:

Look for Daomanite on Webmineral

Look for Daomanite on Wikipedia

Look for Daomanite on Mineralien Atlas

Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

Mineral Dealers:

Buy from D. Joyce minerals

References for DaomaniteHide

Reference List:

Fleischer, Michael, Pabst, Adolf, Mandarino, Joseph A., Chao, George Y., Cabri, Louis, J. (1976) New Mineral Names. American Mineralogist, 61 (1-2) 174-186

Yu Zuxiang, Ding Kuishou, and Zhou Jianxiong (1978) Daomanite - A new platinum mineral. Acta Geologica Sinica: 52(4): 320-325 (in Chinese with English abstract).

Fleischer, Michael, Cabri, Louis J., Pabst, Adolf (1980) New Mineral Names. American Mineralogist, 65 (3-4) 406-408

Ding Kuishou, He C, Zheng Q (1982) Determination of daomanite crystal structure. Kexue Tongbao: 27: 62-66.

Yu Zuxiang (1986) Some new minerals from platinum-bearing rocks in Yanshan and Tibet regions, China. Bulletin of the Institute of Geology, Chinese Academy of Sciences: 15: 49-57.

Yu Zuxiang (2001) New data for daomanite. Acta Geologica Sinica: 75(3): 396-399 (in Chinese with English abstract).

Yu Zuxiang (2001) New data for daomanite and hongshiite. Acta Geologica Sinica: 75(4): 458-466 (in Chinese with English abstract).

Jambor, John L., Grew, Edward S., Roberts, Andrew C. (2002) New mineral names. American Mineralogist, 87. 1509-1513

Barkov, A. Y., Fleet, M. E. (2004) An unusual association of hydrothermal platinum-group minerals from the Imandra layered comples, Kola Peninsula, northwestern Russia. The Canadian Mineralogist, 42 (2) 455-467 doi:10.2113/gscanmin.42.2.455

(2005) Daomanite. Handbook of Mineralogy. Mineralogical Society of America

Localities for DaomaniteHide

Showing 6 localities.

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.

Hide all sections | Show all sections

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.


China (TL)
Hebei Chengde Fengning County ⓘ Sandao village (Tao District) (TL)	Yu Zuxiang et al. (1974) +2 other references
ⓘ Garnet pyroxenite occurrence	Yu et al. (2009)
Luanping County Tiema-Habaqin complex ⓘ Daomanite locality (TL)	Yu Zuxiang et al. (1974) +2 other references

Poland
Lubusz Voivodeship Nowa Sól County ⓘ Stypułów K-13 borehole	Oszczepalski et al. (2017)

Russia
Murmansk Oblast Imandra layered complex (Imandrovsky layered intrusion) ⓘ Mount Bol’shaya Varaka chromitite deposit	Barkov et al. (2004)
Monchegorsk Sopcha Massif ⓘ Monchegorsk Cu-Ni Deposit

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Daomanite

Unique IdentifiersHide

Similar NamesHide

IMA Classification of DaomaniteHide