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UM1976-06-BO:HMgNaSU
Invalid as an unnamed mineral
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Formula:
Na, Mg, U, B, S, O, H
Colour:
yellow
Reported as "Uranium mineral A". Possibly a variety or the other hydrate counterpart of UM1976-05-BO:HMgNaSU. Also similar to UM1976-07-BO:HMgNaSU.
As incrustations on anhydrite, gypsum, hexahydrite, löweite, and starkeyite, from the vicinity of Admont, Styria, Austria.
As incrustations on anhydrite, gypsum, hexahydrite, löweite, and starkeyite, from the vicinity of Admont, Styria, Austria.
Unique Identifiers
Mindat ID:
39920
Long-form identifier:
mindat:1:1:39920:1
Similar Names
| UM1976-05-BO:HMgNaSU | Invalid as an unnamed mineral | (Na,Mg)2(UO2)2BO3(OH)3-4 · nH2O |
| UM1976-07-BO:HMgNaSU | Invalid as an unnamed mineral | Na, Mg, U, B, S, O, H |
IMA Classification of UM1976-06-BO:HMgNaSU
IMA status notes:
Unnamed (probably invalid)
Approval history:
Unnamed, and probably invalid.
Physical Properties of UM1976-06-BO:HMgNaSU
Colour:
Yellow
Optical Data of UM1976-06-BO:HMgNaSU
Type:
Uniaxial (-)
RI values:
nα = 1.496 nγ = 1.512
Surface Relief:
Moderate (negative)
Relative to Canada balsam mounting medium (n ≈ 1.537).
Relative to Canada balsam mounting medium (n ≈ 1.537).
This shows the grain boundary and Becke line effect under plane-polarised
light, based on the contrast between this mineral's average refractive
index and the mounting medium. It does not take into account mineral
colouration.
In focus
Pleochroism:
Weak
Comments:
colorless (X), yellowish (Z)
Comments:
nearly uniaxial
Chemistry of UM1976-06-BO:HMgNaSU
Mindat Formula:
Na, Mg, U, B, S, O, H
Element Weights:
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 10.84 Å | (100) |
| 9.80 Å | (80) |
| 9.08 Å | (50) |
| 7.89 Å | (90) |
| 7.03 Å | (70) |
| 4.85 Å | (70) |
Comments:
a bit different from UM1976-05-BO:HMgNaSU and UM1976-07-BO:HMgNaSU
Synonyms of UM1976-06-BO:HMgNaSU
Radioactivity
Fluorescence of UM1976-06-BO:HMgNaSU
bright yellow-green
Other Information
Notes:
decomposes in water
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 UM1976-06-BO:HMgNaSU
mindat.org URL:
https://www.mindat.org/min-39920.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for UM1976-06-BO:HMgNaSU
Localities for UM1976-06-BO:HMgNaSU
Showing 1 localities.
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Austria | |
| Walenta (1976) |
