Anyuiite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
Formula:
AuPb2
Pb may be replaced by minor Sb.
Colour:
Silvery grey
Lustre:
Metallic
Hardness:
3½
Specific Gravity:
13.49 (Calculated)
Crystal System:
Tetragonal
Name:
Named after the type locality, the Bol'shoi Anyui River Basin, Kolyma area, Chukotskii Autonomous Okrug, Far-Eastern Region, Russia.
This page provides mineralogical data about Anyuiite.
Unique Identifiers
Mindat ID:
271
Long-form identifier:
mindat:1:1:271:2
GUID
(UUID V4):
(UUID V4):
33e6e14f-16bd-403c-bfc3-b5c5c0ad0fcf
IMA Classification of Anyuiite
Approved
Classification of Anyuiite
1.AA.15
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
A : Copper-cupalite family
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
A : Copper-cupalite family
Dana 7th ed.:
1.1.3.1
1.1.4.1
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1.31
1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Any | 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 Anyuiite
Metallic
Transparency:
Opaque
Colour:
Silvery grey
Comment:
Becoming dull lead-gray on oxidation
Streak:
Lead grey
Hardness:
3½ on Mohs scale
Hardness:
VHN20=142 - 153 kg/mm2 - Vickers
Tenacity:
Malleable
Density:
13.49 g/cm3 (Calculated)
Optical Data of Anyuiite
Anisotropism:
Weak
Bireflectance:
Barely noticable
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
420nm | 50.3% | 56.7% |
440nm | 52.9% | 59.0% |
460nm | 55.0% | 60.7% |
480nm | 56.2% | 62.0% |
500nm | 57.7% | 62.4% |
520nm | 58.3% | 63.2% |
540nm | 59.3% | 63.9% |
560nm | 59.9% | 64.6% |
580nm | 60.7% | 65.1% |
600nm | 61.4% | 65.6% |
620nm | 62.1% | 66.0% |
640nm | 62.1% | 66.1% |
660nm | 63.0% | 66.2% |
680nm | 63.4% | 66.5% |
700nm | 63.7% | 66.8% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 66.8%.
R1 shown in black, R2 shown in red
Colour in reflected light:
pale silvery grey with faint creamy tint, becoming dark grey with blue-black overtones
Chemistry of Anyuiite
Mindat Formula:
AuPb2
Pb may be replaced by minor Sb.
Pb may be replaced by minor Sb.
Elements listed:
Crystallography of Anyuiite
Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
I4/mcm
Setting:
I4/mcm
Cell Parameters:
a = 7.39(2) Å, c = 5.61(3) Å
Ratio:
a:c = 1 : 0.759
Unit Cell V:
306.37 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Rounded, elongated to platy polymetallic grains with rhombic to square outline; typically fine-grained granular massive.
Comment:
by analogy to synthetic AuPb2
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
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) |
---|---|---|---|---|---|---|---|
0011802 | Anyuiite | Wyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York Crystal Structures 1 239-444 | 1963 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
5.22 Å | (100) |
3.74 Å | (33) |
2.59 Å | (33) |
2.23 Å | (50) |
1.448 Å | (67) |
1.231 Å | (83) |
1.155 Å | (33) |
1.130 Å | (33) |
Comments:
ICDD 46-1310
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3a: Earth’s earliest Hadean crust | >4.50 |
7 : Ultramafic igneous rocks | |
Near-surface Processes | |
26 : Hadean detrital minerals |
Geological Setting:
In gold concentrates from placers.
Type Occurrence of Anyuiite
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia.
Geological Setting of Type Material:
In placer concentrates derived from small ultramafic-gabbroid masses in a dunite-harzburgite formation.
Associated Minerals at Type Locality:
Synonyms of Anyuiite
Other Language Names for Anyuiite
Common Associates
Associated Minerals Based on Photo Data:
1 photo of Anyuiite associated with Rumoiite | AuSn2 |
1 photo of Anyuiite associated with Lead | Pb |
1 photo of Anyuiite associated with Gold | Au |
1 photo of Anyuiite associated with Yuanjiangite | AuSn |
1 photo of Anyuiite associated with Novodneprite | AuPb3 |
Related Minerals - Strunz-mindat Grouping
1.AA.05 | Aluminium | Al |
1.AA.05 | Copper | Cu |
1.AA.05 | Gold | Au |
1.AA.05 | Lead | Pb |
1.AA.05 | Nickel | Ni |
1.AA.05 | Silver | Ag |
1.AA.05 | UM2004-08-E:AuCuPd | Cu2PdAu |
1.AA.05 | UM1991-06-E:AuCu | Au3Cu |
1.AA.05 | Copper Group | |
1.AA.05 | Steinhardtite | Al0.38Ni0.32Fe0.30 |
1.AA.05a | Auricupride Subgroup | |
1.AA.10a | Auricupride | Cu3Au |
1.AA.10b | Tetra-auricupride | AuCu |
1.AA.10a | Cuproauride | Cu3Au |
1.AA.10 | Nickel Group | |
1.AA.15 | Khatyrkite | (Cu,Zn)Al2 |
1.AA.15 | Novodneprite | AuPb3 |
1.AA.15 | UM1985-02-E:AlZn | (Zn,Cu)Al2 |
1.AA.20 | Cupalite | (Cu,Zn)Al |
1.AA.25 | Hunchunite | Au2Pb |
1.AA.30 | Stolperite | AlCu |
1.AA.35 | Hollisterite | Al3Fe |
1.AA.40 | Icosahedrite | Al63Cu24Fe13 |
1.AA.45 | Kryachkoite | (Al,Cu)6(Fe,Cu) |
1.AA.50 | Proxidecagonite | Al34Ni9Fe2 |
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.
Internet Links for Anyuiite
mindat.org URL:
https://www.mindat.org/min-271.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Anyuiite
Reference List:
Localities for Anyuiite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
China | |
| Mineralogical Society of America - ... |
| Extra Lapis English No. 5 Gold |
France | |
| Cristiano Ferraris (2015) |
Japan | |
| NISHIO–HAMANE et al. (2022) |
Kazakhstan | |
| Dyussembayeva et al. (2013) +1 other reference |
Poland | |
| Extra Lapis English No. 5 Gold |
Russia (TL) | |
| Extra Lapis English No. 5 Gold +2 other references |
| Sandimirova et al. (2014) |
| Ханчук А.И. et al. (Приморье) |
| Tatyana V. Svetlitskaya (2017) |
| Extra Lapis English No. 5 Gold |
|
Quick NavTopUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List