Svetlanaite
A valid IMA mineral species
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About Svetlanaite
Formula:
SnSe
Lustre:
Metallic
Specific Gravity:
6.08 (Calculated)
Crystal System:
Orthorhombic
Name:
Named in honour of Svetlana K. Smirnova, a Russian mineralogist, for her contributions to geology in the epithermal Au–Ag deposits of the Tien–Shan region.
Isostructural with:
Known synthetic analogue. Unique combination of elements (first Sn-Se mineral to date).
Unique Identifiers
Mindat ID:
55031
Long-form identifier:
mindat:1:1:55031:6
GUID
(UUID V4):
(UUID V4):
fcf86a6f-0c05-4cde-8911-13e6ebfaca16
IMA Classification of Svetlanaite
Approved
First published:
2022
Classification of Svetlanaite
2.CD.
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
D : With Sn, Pb, Hg, etc.
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
D : With Sn, Pb, Hg, etc.
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 |
---|---|---|
Svl | 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 Svetlanaite
Metallic
Transparency:
Opaque
Tenacity:
Brittle
Density:
6.08 g/cm3 (Calculated)
Comment:
Calculated value based on the empirical formula.
Optical Data of Svetlanaite
Anisotropism:
Strong, shades of light blue, dark blue, khaki and orange–brown
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
470nm | 50.9% | 56.5% |
546nm | 50.2% | 56.7% |
589nm | 49.5% | 55.3% |
650nm | 48.7% | 53.4% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 56.7%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Light-grey
Internal Reflections:
None
Comments:
White to cream
Comments:
Reflectance data is for synthetic material
Chemistry of Svetlanaite
Mindat Formula:
SnSe
Elements listed:
Crystallography of Svetlanaite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Setting:
Pnma
Cell Parameters:
a = 11.500(2) Å, b = 4.154(2) Å, c = 4.445(2) Å
Ratio:
a:b:c = 2.768 : 1 : 1.07
Unit Cell V:
212.34 ų
Z:
4
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.517 Å | (4) |
2.934 Å | (7) |
2.875 Å | (100) |
2.378 Å | (7) |
2.086 Å | (5) |
2.043 Å | (4) |
1.833 Å | (10) |
1.437 Å | (9) |
Type Occurrence of Svetlanaite
General Appearance of Type Material:
Tiny euhedral spindles (0.5–2 μm × 10–15 μm) in quartz.
Place of Conservation of Type Material:
Mineralogical collections of the Department of Earth Sciences, Natural History Museum, Cromwell Road, London, SW7 5BD, United Kingdom, catalogue number BM 2020,2.
Geological Setting of Type Material:
Quartz veins.
Associated Minerals at Type Locality:
Synonyms of Svetlanaite
Common Associates
Associated Minerals Based on Photo Data:
1 photo of Svetlanaite associated with Cassiterite | SnO2 |
Related Minerals - Strunz-mindat Grouping
2.CD.05 | Herzenbergite | SnS |
2.CD.05 | Teallite | PbSnS2 |
2.CD.10 | Alabandite | MnS |
2.CD.10 | Altaite | PbTe |
2.CD.10 | Clausthalite | PbSe |
2.CD.10 | Galena | PbS |
2.CD.10 | Niningerite | (Mg,Fe2+,Mn2+)S |
2.CD.10 | Oldhamite | (Ca,Mg)S |
2.CD.10 va | Quiroguite | Pb23Sb6S32 |
2.CD.10 | Keilite | (Fe2+,Mg)S |
2.CD.15a | Cinnabar | HgS |
2.CD.15b | Hypercinnabar | HgS |
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 Svetlanaite
mindat.org URL:
https://www.mindat.org/min-55031.html
Please feel free to link to this page.
Please feel free to link to this page.
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External Links:
Mineral Dealers:
References for Svetlanaite
Reference List:
Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2020) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 56. European Journal of Mineralogy, 32 (4) 443-448 doi:10.5194/ejm-32-443-2020
Localities for Svetlanaite
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 (TL) | |
| - (n.d.) +1 other reference |
Quick NavTopAbout SvetlanaiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography X-Ray Powder DiffractionType Occurrence SynonymsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Ozernovskoe deposit, Karaginsky District, Koryak Okrug, Kamchatka Krai, Russia