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Vasilyevite

Big Photo

Clear Creek claim (Clear Creek Mine), New Idria District, Diablo Range, San Benito Co., California, USA
© AVK

Formula:
[Hg
1+
2
]
 
10
[O
 
6
|I
 
3
|Br
 
2
|Cl|CO
 
3
]
System:TriclinicColour:Silverish grey to dark ...
Hardness:3
Name:Named after Vladimir Ivanovich Vasilyev (b. 1929) of the Geological Institute at Novosibirsk (Russia) who discovered nine mercury minerals.
This page provides mineralogical data about Vasilyevite.

Classification of Vasilyevite

IMA status:Approved 2003
Strunz 8th edition ID:3/D.06-45
Nickel-Strunz 10th (pending) edition ID:3.DD.45

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

Type Locality:Clear Creek claim (Clear Creek Mine), New Idria District, Diablo Range, San Benito Co., California, USA
General Appearance of Type Material:microscopic, rounded hollow aggregates (< 0.5 mm across), probably pseudomorphs after mercury
Associated Minerals at type locality:
MontroyditeMercuryEglestoniteCinnabar

Physical Properties of Vasilyevite

Lustre:Adamantine, Metallic
Diaphaneity (Transparency):Opaque
Colour:Silverish grey to dark reddish black
Streak:Reddish brown
Hardness (Mohs):3
Tenacity:Very brittle
Cleavage:None Observed
Fracture:None observed
Density (measured):9.57 g/cm3

Crystallography of Vasilyevite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 9.344Å, b = 10.65Å, c = 18.26Å
α = 93.26°, β = 90.55°, γ = 115.42°
Ratio:a:b:c = 0.877 : 1 : 1.715
Unit Cell Volume:V 1,637.37 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
4.20 (80)
3.13 (90)
2.89 (100)

Chemical Properties of Vasilyevite

Formula:
[Hg
1+
2
]
 
10
[O
 
6
|I
 
3
|Br
 
2
|Cl|CO
 
3
]
All elements listed in formula:Br, C, Cl, Hg, I, O

Relationship of Vasilyevite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.DD.05Eglestonite
[Hg
1+
2
]
 
3
[O|OH|Cl
 
3
]
3.DD.05Kadyrelite
Hg
 
4
(Br,Cl)
 
2
O
3.DD.10Poyarkovite
Hg
 
3
ClO
3.DD.15Hanawaltite
Hg
 
6
Hg[Cl,(OH)]
 
2
O
 
3
3.DD.20Terlinguaite
Hg
 
2
ClO
3.DD.25Pinchite
Hg
 
5
O
 
4
Cl
 
2
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]
+
3
Cl
 
2
S
 
0.5
 · H
 
2
O
3.DD.40Tedhadleyite
Hg
2+
 
Hg
1+
10
O
 
4
I
 
2
(Cl,Br)
 
2
3.DD.50Aurivilliusite
(Hg-Hg)
2+
 
Hg
2+
2
[O|(I,Br,Cl)]
 
2
3.DD.55Terlinguacreekite
Hg
2+
3
O
 
2
Cl
 
2
3.DD.60Kelyanite
(Hg
2+
 
)
 
6
(SbO
 
6
)BrCl
 
2
3.DD.65Comancheite
Hg
 
13
(Cl,Br)
 
8
O
 
9

Other Names for Vasilyevite

Synonyms:
IMA2003-016
Other Languages:
German:Vasilyevit
Russian:Васильевит

Other Information

Fluorescence in UV light:none
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 Vasilyevite

Reference List:Roberts, A.C. et al. (2003), Canadian Mineralogist: 41: 1167-1172.

Cooper, M.A., F.C. Hawthorne (2003), Canadian Mineralogist: 41: 1173-1181.

Lapis (2004): 29(2): 42.

Internet Links for Vasilyevite

Search Engines:
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    • External Links:
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  • Look for Vasilyevite on Wikipedia
  • Look for Vasilyevite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Vasilyevite in the Natural History Museum (London) online catalogue
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    Localities for Vasilyevite

    Hide Locality List
    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.
    (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
    		Canadian Mineralogist (2003): 41(5): 1167-1172; Lapis (2004): 29(2): 42.
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