Unnamed (Pt-Cu-Sn Alloy)
A material that is NOT an approved mineral species
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Formula:
Pt(Cu0.67Sn0.33)
Lustre:
Metallic
Hardness:
2½
Specific Gravity:
14.75 (Calculated)
Crystal System:
Tetragonal
This page provides mineralogical data about Unnamed (Pt-Cu-Sn Alloy).
Unique Identifiers
Mindat ID:
55630
Long-form identifier:
mindat:1:1:55630:1
GUID
(UUID V4):
(UUID V4):
bddeb2c6-bbec-4d7b-96ae-71a720c047a3
Physical Properties of Unnamed (Pt-Cu-Sn Alloy)
Metallic
Transparency:
Opaque
Hardness:
2½ on Mohs scale
Hardness:
VHN100=95 - 101 - Vickers
Comment:
On synthetic material
Density:
14.75 g/cm3 (Calculated)
Optical Data of Unnamed (Pt-Cu-Sn Alloy)
Anisotropism:
weakly anisotropic
Bireflectance:
none
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
470nm | 50.5% | 48.6% |
546nm | 53.2% | 50.6% |
589nm | 54.7% | 51.9% |
650nm | 56.8% | 53.9% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 56.8%.
R1 shown in black, R2 shown in red
Colour in reflected light:
yellowish cream
Internal Reflections:
none
Pleochroism:
Non-pleochroic
Chemical Properties of Unnamed (Pt-Cu-Sn Alloy)
Formula:
Pt(Cu0.67Sn0.33)
Elements listed:
Crystallography of Unnamed (Pt-Cu-Sn Alloy)
Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
P4/mmm
Setting:
P4/mmm
Cell Parameters:
a = 2.838(3) Å, c = 3.650(4) Å
Ratio:
a:c = 1 : 1.286
Unit Cell V:
29.40 ų (Calculated from Unit Cell)
Z:
1
Comment:
On synthetic material, space group inferred
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.6500 Å | (13.0) |
2.8380 Å | (14.2) |
2.2405 Å | (100.0) |
2.0068 Å | (36.4) |
1.8250 Å | (13.7) |
1.4190 Å | (12.2) |
1.3502 Å | (20.5) |
1.1988 Å | (27.0) |
1.1202 Å | (10.6) |
1.1182 Å | (10.6) |
0.8783 Å | (9.9) |
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 Unnamed (Pt-Cu-Sn Alloy)
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Barkov, Andrei Y., Luca Bindi, Erick A. Juárez-Arellano, Nobumichi Tamura, Gennadiy I. Shvedov, Chi Ma, and Robert F. Martin (2021) "Unnamed Pt(Cu0.67Sn0.33) from the Bolshoy Khailyk River, Western Sayans, Russia, and a Review of Related Compounds and Solid Solutions" Minerals 11, no. 11: 1240. https://doi.org/10.3390/min11111240
Internet Links for Unnamed (Pt-Cu-Sn Alloy)
mindat.org URL:
https://www.mindat.org/min-55630.html
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Mineral Dealers:
Localities for Unnamed (Pt-Cu-Sn Alloy)
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.
Russia | |
| Barkov, Andrei Y., Luca Bindi, Erick A. Juárez-Arellano, Nobumichi Tamura, Gennadiy I. Shvedov, Chi Ma, and Robert F. Martin (2021) "Unnamed Pt(Cu0.67Sn0.33) from the Bolshoy Khailyk River, Western Sayans, Russia, and a Review of Related Compounds and Solid Solutions" Minerals 11, no. 11: 1240. https://doi.org/10.3390/min11111240 |