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Seelite-2

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Formula:
Mg(UO
 
2
)(AsO
 
3
)
 
x
(AsO
 
4
)
 
1-x
 · 7H
 
2
O
System:MonoclinicLustre:Vitreous
Hardness:3
This page provides mineralogical data about Seelite-2.

Classification of Seelite-2

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Physical Properties of Seelite-2

Lustre:Vitreous
Hardness (Mohs):3

Crystallography of Seelite-2

Crystal System:Monoclinic

Optical Data of Seelite-2

Type:Biaxial (-)
RI values: nα = 1.602 - 1.610 nβ = 1.730 - 1.737 nγ = 1.740 - 1.753
2V:Measured: 30° to 41°, Calculated: 28° to 36°
Maximum Birefringence:δ = 0.138 - 0.143

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r < v

Chemical Properties of Seelite-2

Formula:
Mg(UO
 
2
)(AsO
 
3
)
 
x
(AsO
 
4
)
 
1-x
 · 7H
 
2
O
Essential elements:As, H, Mg, O, U
All elements listed in formula:As, H, Mg, O, U

Other Information

Health Warning: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-2

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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 21st Jun 2011 12:31:03
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    Locality Updated: Unnamed Au occurrence (12), La Porte, La Porte District, Plumas Co., California, USAFrom Chester S. Lemanski, Jr., 4th Feb 2012 00:22:53