UM1981-27-SiO:HU
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Formula:
(UO2)-Si-O-H
Colour:
Yellow-green
Crystal System:
Triclinic
Contains traces of calcium. U:Si ratio could not be measured due to decomposition under electron beam.
Found in the Jackpile mine, Laguna, New Mexico; visually similar to soddyite, occurs as radiating crystals on a sandstone. Also said to be similar to soddyite in terms of PXRD pattern.
Found in the Jackpile mine, Laguna, New Mexico; visually similar to soddyite, occurs as radiating crystals on a sandstone. Also said to be similar to soddyite in terms of PXRD pattern.
Unique Identifiers
Mindat ID:
47586
Long-form identifier:
mindat:1:1:47586:6
Similar Names
| UM1957-01-SiO:U | U-Si-O | |
| UM1983-25-SiO:U | U4SiO10 | |
| UM1983-26-SiO:U | U2SiO6 | |
| UM1983-27-SiO:U | USi2O6 | |
| UM1983-28-SiO:U | USi4O10 | |
| UM1984-39-SiO:U | U3SiO8 | |
| UM1985-24-SO:HU | U10(SO3)O30 · 25H2O | |
| UM2005-//-SiO:H | SiO2.nH2O (?) |
Physical Properties of UM1981-27-SiO:HU
Transparency:
Opaque
Colour:
Yellow-green
Chemistry of UM1981-27-SiO:HU
Mindat Formula:
(UO2)-Si-O-H
Element Weights:
Elements listed:
Crystallography of UM1981-27-SiO:HU
Crystal System:
Triclinic
Cell Parameters:
a = 5.535 Å, b = 6.117 Å, c = 7.759 Å
α = 84o27'°, β = 91o11'°, γ = 96o32'°
α = 84o27'°, β = 91o11'°, γ = 96o32'°
Ratio:
a:b:c = 0.905 : 1 : 1.268
Unit Cell V:
259.83 ų (Calculated from Unit Cell)
Comment:
P-1 ?
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.553 Å | (100) |
| 4.507 Å | (100) |
| 4.957 Å | (90) |
| 3.902 Å | (80) |
| 3.174 Å | (80) |
| 6.298 Å | (70) |
| 6.041 Å | (70) |
| 5.507 Å | (50) |
Radioactivity
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 UM1981-27-SiO:HU
mindat.org URL:
https://www.mindat.org/min-47586.html
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References for UM1981-27-SiO:HU
Localities for UM1981-27-SiO:HU
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.
USA | |
| Stohl et al. (1981) |
