Seelite-1
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Formula:
Mg[(UO2)(AsO3)x(AsO4)1-x]2 · 7H2O
Lustre:
Vitreous
Hardness:
3
Crystal System:
Monoclinic
This page provides mineralogical data about Seelite-1.
Unique Identifiers
Mindat ID:
7282
Long-form identifier:
mindat:1:1:7282:9
Similar Names
| Celite | A synonym of Brownmillerite | |
| Leelite | A synonym of Orthoclase | |
| Sahlite | A synonym of Diopside | |
| Salite | A variety of Diopside | CaMgSi2O6 |
| Saléeite | A valid IMA mineral species - grandfathered | Mg(UO2)2(PO4)2 · 10H2O |
| Seelite | A valid IMA mineral species | Mg(UO2)(As3+O3)0.7(AsO4)0.3 · 7H2O |
| Seelite-2 | Mg(UO2)(AsO3)x(AsO4)1-x · 7H2O | |
| Sellaite | A valid IMA mineral species - grandfathered | MgF2 |
| Sillite | A rock subtype | |
| Slate | A rock classification type | |
| Steelite | A synonym of Mordenite | |
| Xylite | ||
| Zeolita | A synonym of Zeolite Group |
Physical Properties of Seelite-1
Vitreous
Hardness:
3 on Mohs scale
Optical Data of Seelite-1
Type:
Biaxial (-)
RI values:
nα = 1.602 - 1.61 nβ = 1.73 - 1.737 nγ = 1.74 - 1.753
Max. Birefringence:
δ = 0.138 - 0.143
Based on recorded range of RI values above.
Based on recorded range of RI values above.
Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.
Surface Relief:
Moderate
Dispersion:
r < v
Chemistry of Seelite-1
Mindat Formula:
Mg[(UO2)(AsO3)x(AsO4)1-x]2 · 7H2O
Crystallography of Seelite-1
Crystal System:
Monoclinic
Synonyms of Seelite-1
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 Seelite-1
mindat.org URL:
https://www.mindat.org/min-7282.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Seelite-1
Reference List:
