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Vasilyevite

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Big Photo

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




Formula:
(Hg
+
2
)
 
10
I
 
3
Br
 
2
Cl(CO
 
3
)O
 
6
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), Picacho Peak, 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)
2.72 (80)

Chemical Properties of Vasilyevite

Formula:
(Hg
+
2
)
 
10
I
 
3
Br
 
2
Cl(CO
 
3
)O
 
6
Essential elements:Br, C, Cl, Hg, I, O
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
+
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.50Aurivilliusite
(Hg
+
2
)
 
0.5
Hg
2+
 
(I,Br,Cl)O
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 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:
  • Look for Vasilyevite on Google
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    • External Links:
  • Look for Vasilyevite on Webmineral
  • Look for Vasilyevite on Athena Mineralogy
  • Look for Vasilyevite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
    • Mineral Dealers:
  • Search for Vasilyevite on Well-Arranged Molecules
  • rare and unusual minerals mainly crystallized
  • Find Vasilyevite on www.crystalclassics.co.uk
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    • Localities for Vasilyevite

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