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Bluelizardite

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About BluelizarditeHide

Formula:
Na7(UO2)(SO4)4Cl(H2O)2
Colour:
Pale yellow
Lustre:
Vitreous
Hardness:
2
Specific Gravity:
3.116 (Calculated)
Crystal System:
Monoclinic
Name:
Named after the type locality Blue Lizard mine, San Juan Co., Utah, USA.
This page provides mineralogical data about Bluelizardite.


Classification of BluelizarditeHide

Approved
Approval Year:
2013

Physical Properties of BluelizarditeHide

Vitreous
Transparency:
Transparent
Colour:
Pale yellow
Streak:
Yellowish white
Hardness:
Hardness Data:
Estimated
Tenacity:
Brittle
Cleavage:
Distinct/Good
on {001}
Fracture:
Irregular/Uneven
Density:
3.116 g/cm3 (Calculated)

Optical Data of BluelizarditeHide

Type:
Biaxial (-)
RI values:
nα = 1.515(1) nβ = 1.540(1) nγ = 1.545(1)
2V:
Measured: 48° (2), Calculated: 47.6°
Max Birefringence:
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Pleochroism:
Non-pleochroic

Chemical Properties of BluelizarditeHide

Formula:
Na7(UO2)(SO4)4Cl(H2O)2

Crystallography of BluelizarditeHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 21.1507(6) Å, b = 5.3469(12) Å, c = 34.6711(9) Å
β = 104.913(3)°
Ratio:
a:b:c = 3.956 : 1 : 6.484
Unit Cell V:
3788.91 ų
Z:
8
Morphology:
Bluelizardite forms as long bladed crystals in hedgehog-like aggregates in association with other uranyl sulfate minerals. Blades are up to 0.4 mm long, flattened on {001} and elongated parallel to [010], and exhibit the forms {100}, {001} and {111}.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
17.08 (52)
10.31 (60)
5.16 (100)
4.569 (22)
4.238 (23)
3.484 (27)
3.353 (28)
3.186 (36)

Type Occurrence of BluelizarditeHide

General Appearance of Type Material:
A supergene mineral formed by the post-mining weathering of uraninite.
Geological Setting of Type Material:
Sandstone
Associated Minerals at Type Locality:

Synonyms of BluelizarditeHide

Fluorescence of BluelizarditeHide

Bright yellow-green fluorescence under both long- and short-wave UV radiation.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for BluelizarditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Plášil, J., Kampf, A.R., Kasatkin, A.V. and Marty, J. (2014): Bluelizardite, Na7(UO2)(SO4)4Cl(H2O)2, a new uranyl sulfate mineral from the Blue Lizard mine, San Juan County, Utah, USA. Journal of Geosciences, 59, 145-158.

Internet Links for BluelizarditeHide

Localities for BluelizarditeHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
USA (TL)
 
  • Utah
    • San Juan Co.
      • White Canyon District
        • Red Canyon
Plášil, J., Kampf, A.R., Kasatkin, A.V. and Marty, J. (2014): Bluelizardite, Na7(UO2)(SO4)4Cl(H2O)2, a new uranyl sulfate mineral from the Blue Lizard mine, San Juan County, Utah, USA. Journal of Geosciences, 59, 145-158.
Mineral and/or Locality  
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