UM1978-10-O:U
A material that is NOT an approved mineral species
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Formula:
U3O7
Crystal System:
Tetragonal
Synthetic analogue known (α-U3O7, of upper stability limit of 135oC).
Detected as idiomorphic crystals, ca. 0.lmm in size, similar to uraninite, in form of zoned intergrowths with gersdorffite at Key Lake, Saskatchewan, Canada.
Detected as idiomorphic crystals, ca. 0.lmm in size, similar to uraninite, in form of zoned intergrowths with gersdorffite at Key Lake, Saskatchewan, Canada.
Unique Identifiers
Mindat ID:
47440
Long-form identifier:
mindat:1:1:47440:5
GUID
(UUID V4):
(UUID V4):
7ea71aa0-9d55-46e8-84c5-8f6a0319f057
Chemistry of UM1978-10-O:U
Mindat Formula:
U3O7
Elements listed:
Crystallography of UM1978-10-O:U
Crystal System:
Tetragonal
Cell Parameters:
a = 5.47 Å, c = 5.397 Å
Ratio:
a:c = 1 : 0.987
Unit Cell V:
161.48 ų (Calculated from Unit Cell)
Comment:
pseudocubic; all data for synthetic phase
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.14 Å | ( |
2.72 Å | ( |
2.70 Å | ( |
1.928 Å | ( |
1.918 Å | ( |
1.648 Å | ( |
1.63 Å | ( |
Comments:
intensities not given
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 UM1978-10-O:U
mindat.org URL:
https://www.mindat.org/min-47440.html
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References for UM1978-10-O:U
Reference List:
Localities for UM1978-10-O:U
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.
Canada | |
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