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Aurivilliusite

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Formula:
(Hg
+
2
)
 
0.5
Hg
2+
 
(I,Br,Cl)O
System:MonoclinicColour:dark grey-black
Name:Honouring Dr. Karin Aurivillius (1920-1982) of Lund, Sweden, for her work on the crystal chemistry of mercury-bearing inorganic compounds
This page provides mineralogical data about Aurivilliusite.

Classification of Aurivilliusite

IMA status:Approved 2002
Nickel-Strunz 10th (pending) edition ID:3.DD.50

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
D : With Hg
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Type Occurrence of Aurivilliusite

Type Locality:Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
General Appearance of Type Material:thin irregular patches to 0.5 mm on the quartz surface and, very rarely, subhedral platy crystals to 0.2 mm
Geological Setting of type material:associated with other mercury minerals in a quartz-magnesite host-rock
Associated Minerals at type locality:
QuartzMercuryMagnesiteEdgarbaileyiteCinnabar

Physical Properties of Aurivilliusite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:dark grey-black
Cleavage:Distinct/Good
along {100}
Density (calculated):8.96 g/cm3

Crystallography of Aurivilliusite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/b {B1 1 2/b} {C2/c} {C1 2/c 1}
Cell Parameters:a = 17.58Å, b = 6.979Å, c = 6.693Å
β = 101.71°
Ratio:a:b:c = 2.519 : 1 : 0.959
Unit Cell Volume:V 804 ų
Z:4
X-Ray Powder Diffraction:
d-spacingIntensity
3.275 (100)
2.993 (80)
2.873 (80)
8.547 (70)
2.404 (50)
1.878 (50)

Chemical Properties of Aurivilliusite

Formula:
(Hg
+
2
)
 
0.5
Hg
2+
 
(I,Br,Cl)O
Idealised Formula:
(Hg
+
2
)
 
0.5
Hg
2+
 
IO
Essential elements:Hg, I, O
All elements listed in formula:Br, Cl, Hg, I, O
Analytical Data:averaged results by electron microprobe analysis
HgO (40.10)
Hg2O (38.62)
I (22.76)
Br (0.22)
Cl (0.06)
Common Impurities:Br,Cl

Relationship of Aurivilliusite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.DD.05Eglestonite
(Hg
+
2
)
 
3
Cl
 
3
O(OH)
3.DD.05Kadyrelite
(Hg
+
2
)
 
2
(Br,Cl)
 
2
O
3.DD.10Poyarkovite
(Hg
+
2
)
 
1.5
ClO
3.DD.15Hanawaltite
(Hg
+
2
)
 
3
Hg
2+
 
(Cl,OH)
 
2
O
 
3
3.DD.20Terlinguaite
(Hg
+
2
)
 
0.5
Hg
2+
 
ClO
3.DD.25Pinchite
Hg
2+
5
Cl
 
2
O
 
4
3.DD.30Gianellaite
(Hg
 
2
N)
 
2
SO
 
4
3.DD.30Mosesite
(Hg
 
2
N)(Cl,SO
 
4
,MoO
 
4
) · H
 
2
O
3.DD.35Kleinite
(Hg
 
2
N)(Cl,SO
 
4
) · nH
 
2
O
3.DD.40Tedhadleyite
(Hg
+
2
)
 
5
Hg
2+
 
I
 
2
(Cl,Br)
 
2
O
 
4
3.DD.45Vasilyevite
(Hg
+
2
)
 
10
I
 
3
Br
 
2
Cl(CO
 
3
)O
 
6
3.DD.55Terlinguacreekite
Hg
2+
3
Cl
 
2
O
 
2
3.DD.60Kelyanite
(Hg
+
2
)
 
6
Sb
3+
 
BrCl
 
2
O
 
6
3.DD.65Comancheite
Hg
2+
13
(Cl,Br)
 
8
O
 
9

Other Names for Aurivilliusite

Synonyms:
IMA2002-022
Other Languages:
German:Aurivilliusit

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.

References for Aurivilliusite

Reference List:

- +
Roberts, A.C., J.A.R. Stirling, A.J. Criddle, G.E. Dunning, J. Spratt (2004): "Aurivilliusite , Hg2+Hg1+OI, a new mineral species from the Clear Creek claim, San Benito County, California, USA". Mineralogical Magazine: 68(2): 241-245.

Internet Links for Aurivilliusite

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    • Localities for Aurivilliusite

    The 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.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    USA
     
    • California
      • San Benito Co.
        • Diablo Range
          • New Idria District
            • Picacho Peak
    		Roberts, A.C., J.A.R. Stirling, A.J. Criddle, G.E. Dunning, J. Spratt (2004) Mineralogical Magazine: 68(2): 241-245.
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