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Vergasovaite

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Big Photo

Treschina fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
© Brent Thorne 2007




Formula:
Cu
 
3
(SO
 
4
)(MoO
 
4
,SO
 
4
)O
System:OrthorhombicColour:Olive-green
Lustre:VitreousHardness:4 - 5
Name:Named after Lidiya Pavlovna Vergasova (b. 1941), of the Institute of Volcanology, Russian Academy of Sciences, Petropavlovsk, Russia,
This page provides mineralogical data about Vergasovaite.

Classification of Vergasovaite

IMA status:Approved 1998
Strunz 8th edition ID:6/G.02-25
Nickel-Strunz 10th (pending) edition ID:7.BB.30

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
B : With medium-sized cations
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Type Occurrence of Vergasovaite

Type Locality:Treschina fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia

Physical Properties of Vergasovaite

Lustre:Vitreous
Colour:Olive-green
Streak:Light yellow
Hardness (Mohs):4 - 5
Tenacity:Brittle

Crystallography of Vergasovaite

Crystal System:Orthorhombic

Optical Data of Vergasovaite

Type:Biaxial
RI values: nα = 1.870 nγ = 1.980
Maximum Birefringence:δ = 0.110

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

Chemical Properties of Vergasovaite

Formula:
Cu
 
3
(SO
 
4
)(MoO
 
4
,SO
 
4
)O
Essential elements:Cu, Mo, O, S
All elements listed in formula:Cu, Mo, O, S

Relationship of Vergasovaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.BB.05Caminite
Mg
 
7
(SO
 
4
)
 
5
(OH)
 
4
 · H
 
2
O
7.BB.10Hauckite
Fe
3+
3
(Mg,Mn
2+
 
)
 
24
Zn
 
18
(SO
 
4
)
 
4
(CO
 
3
)
 
2
(OH)
 
81
7.BB.15Antlerite
Cu
 
3
(SO
 
4
)(OH)
 
4
7.BB.20Dolerophanite
Cu
 
2
(SO
 
4
)O
7.BB.25Brochantite
Cu
 
4
(SO
 
4
)(OH)
 
6
7.BB.35Klebelsbergite
(SbO)
 
4
(SO
 
4
)(OH)
 
2
7.BB.40Schuetteite
Hg
2+
3
(SO
 
4
)O
 
2
7.BB.45Paraotwayite
Ni(OH)
 
2-x
(SO
 
4
,CO
 
3
)
 
0.5x
7.BB.50Xocomecatlite
Cu
 
3
(TeO
 
4
)(OH)
 
4
7.BB.55Pauflerite
(V
4+
 
O)SO
 
4
7.BB.60Grandviewite
Cu
 
3
Al
 
9
(SO
 
4
)
 
2
(OH)
 
29

Other Names for Vergasovaite

Synonyms:
IMA1998-009
Other Languages:
German:Vergasovait
Russian:Вергасоваит
Spanish:Vergasovaita

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 Vergasovaite

Reference List:

- +
Schweizerische mineralogische und petrographische Mitteilungen (1998): 78: 479-488.

European Journal of Mineralogy (1999): 11: 101-110.

Internet Links for Vergasovaite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Vergasovaite details from Handbook of Mineralogy (PDF)
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    • Localities for Vergasovaite

    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.
    Russia
     
    • Far-Eastern Region
      • Kamchatka Oblast'
        • Tolbachik volcano
          • Great Fissure (Main Fracture) eruption
            • Northern Breakthrough (North Breach)
              • Second scoria cone
    		Schweiz.Min.Petr.Mitt.(1998) 78, 479-488
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