Isovite
A valid IMA mineral species
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About Isovite
Formula:
(Cr,Fe)23C6
Colour:
Steel gray
Lustre:
Metallic
Hardness:
8
Specific Gravity:
7.4 (Calculated)
Crystal System:
Isometric
Name:
Named for the Isovsky district, that includes the locality.
Type Locality:
This page provides mineralogical data about Isovite.
Unique Identifiers
Mindat ID:
7115
Long-form identifier:
mindat:1:1:7115:0
GUID
(UUID V4):
(UUID V4):
beb0ae89-3eca-46e2-beb5-e7b675d597a5
IMA Classification of Isovite
Approved
First published:
1998
Classification of Isovite
1.BA.10
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
A : Carbides
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
A : Carbides
Dana 7th ed.:
1.1.25.2
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 |
---|---|---|
Isv | 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 Isovite
Metallic
Colour:
Steel gray
Hardness:
8 on Mohs scale
Hardness:
VHN50=1300 - 1400 kg/mm2 - Vickers
Density:
7.4 g/cm3 (Calculated)
Optical Data of Isovite
Type:
Isotropic
Reflectivity:
Wavelength | R |
---|---|
420nm | 47.6% |
440nm | 47.4% |
460nm | 46.7% |
480nm | 46.2% |
500nm | 45.3% |
520nm | 44.7% |
540nm | 43.9% |
560nm | 43.3% |
580nm | 43.1% |
600nm | 43.6% |
620nm | 43.6% |
640nm | 43.5% |
660nm | 44.4% |
680nm | 45.7% |
700nm | 46.3% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 47.6%.
Chemistry of Isovite
Mindat Formula:
(Cr,Fe)23C6
Elements listed:
Crystallography of Isovite
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fm3m
Setting:
Fm3m
Cell Parameters:
a = 10.65(5) Å
Unit Cell V:
1,207.95 ų (Calculated from Unit Cell)
Z:
4
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.38 Å | (30) |
2.17 Å | (50) |
2.05 Å | (100) |
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 |
Type Occurrence of Isovite
General Appearance of Type Material:
Isometric to angular grains to 0.2mm
Place of Conservation of Type Material:
A. E. Fersman Mineralogical Museum, Moscow, Russia
Geological Setting of Type Material:
Associated with gold, various platinum-group minerals, cinnabar, Cr spinel, and unnamed Cr-Fe minerals, including carbides.
Associated Minerals at Type Locality:
Reference:
Generalov, M.E., Naumov, V.A., Mokhov, A.V., Trubkin, N.V. (1998) Isovite (Cr,Fe)23C6 — the new mineral from the gold-platinum bearing placers of the Urals. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 127(5): 26-37.
Synonyms of Isovite
Other Language Names for Isovite
Related Minerals - Strunz-mindat Grouping
1.BA.05 | Cohenite | Fe3C |
1.BA.10 | Haxonite | (Fe,Ni)23C6 |
1.BA.15 | Tongbaite | Cr3C2 |
1.BA.20 | Khamrabaevite | (Ti,V,Fe)C |
1.BA.20 | Niobocarbide | (Nb,Ta)C |
1.BA.20 | Tantalcarbide | TaC |
1.BA.25 | Qusongite | WC |
1.BA.30 | Yarlongite | Cr4Fe4NiC4 |
1.BA.35 | Edscottite | Fe5C2 |
Other Information
Magnetism:
Ferromagnetic
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 Isovite
mindat.org URL:
https://www.mindat.org/min-7115.html
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References for Isovite
Localities for Isovite
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) | |
| The Mineralogical Record: 31: 203. +1 other reference |
| |
Syria | |
| Moore et al. (2020) |
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Is River, Nizhnyaya Tura, Sverdlovsk Oblast, Russia