UM2003-04-E:C
Valid as an unnamed mineral
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A cubic polymorph, though distinct from diamond and tartarosite.
As a 70 μm platelet within a diamondiferous shocked gneiss. Associates also include cristobalite and quartz. Matrix: melted plagioclase.
"...has not been synthesized" nor predicted.
As a 70 μm platelet within a diamondiferous shocked gneiss. Associates also include cristobalite and quartz. Matrix: melted plagioclase.
"...has not been synthesized" nor predicted.
Unique Identifiers
Mindat ID:
54409
Long-form identifier:
mindat:1:1:54409:6
GUID
(UUID V4):
(UUID V4):
45e66b77-7467-47a6-9950-02216ea09aa1
IMA Classification of UM2003-04-E:C
IMA status notes:
Unnamed (probably valid)
Chemistry of UM2003-04-E:C
Mindat Formula:
C
Elements listed:
Crystallography of UM2003-04-E:C
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Pm3m
Setting:
Pm3m
Cell Parameters:
a = 14.697(1) Å
Unit Cell V:
3,174.58 ų (Calculated from Unit Cell)
Other Information
Notes:
- Raman: 'outermost portion of the platelet contains polycrystalline graphite"; bands of the cubic one, ~1390 and 1600 cm-1, differ from those known for other polymorphs;
- SXRD mapping: "transparent interior consists of a cubic carbon mineral enveloped by lonsdaleite"
- SXRD mapping: "transparent interior consists of a cubic carbon mineral enveloped by lonsdaleite"
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 UM2003-04-E:C
mindat.org URL:
https://www.mindat.org/min-54409.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
References for UM2003-04-E:C
Reference List:
Localities for UM2003-04-E:C
ⓘ - 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 | |
| El Goresy et al. (2003) +1 other reference |