Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Korshunovskite

Big Photo

Korshunovskoye (Korzunovskoe; Korzhunovska), Irkutsk, Irkutskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
© Thomas Witzke

Formula:
Mg
 
2
[(OH)
 
3
|Cl] · 4H
 
2
O
System:TriclinicHardness:2
This page provides mineralogical data about Korshunovskite.

Classification of Korshunovskite

IMA status:Approved
Strunz 8th edition ID:3/D.01-10
Nickel-Strunz 10th (pending) edition ID:3.BD.15

3 : HALIDES
B : Simple halides, with H2O
D : Simple halides with H2O and additional OH
Dana 8th edition ID:10.1.5.1

10 : OXYHALIDES AND HYDROXYHALIDES
1 : A2(O,OH)3Xq
Hey's CIM Ref.:8.4.4

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
4 : Halides of the alkaline earths and Mg
mindat.org URL:http://www.mindat.org/min-2256.html
Please feel free to link to this page.

Type Occurrence of Korshunovskite

Type Locality:Korshunovskoye (Korzunovskoe; Korzhunovska), Irkutsk, Irkutskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
Year of Discovery:1982

Physical Properties of Korshunovskite

Hardness (Mohs):2

Crystallography of Korshunovskite

Crystal System:Triclinic
Cell Parameters:a = 8.64Å, b = 6.25Å, c = 7.42Å
α = 101.4°, β = 103.9°, γ = 72.7°
Ratio:a:b:c = 1.382 : 1 : 1.187
Unit Cell Volume:V 367.89 ų (Calculated from Unit Cell)

Optical Data of Korshunovskite

Type:Biaxial (-)
RI values: nα = 1.516 nβ = 1.538 nγ = 1.547
2V:Measured: 62° , Calculated: 64°
Maximum Birefringence:δ = 0.031

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:none

Chemical Properties of Korshunovskite

Formula:
Mg
 
2
[(OH)
 
3
|Cl] · 4H
 
2
O
Essential elements:Cl, H, Mg, O
All elements listed in formula:Cl, H, Mg, O

Relationship of Korshunovskite to other Species

Related Minerals - Nickel-Strunz Grouping):
3.BD.05Cadwaladerite
Al(OH)
 
2
Cl·4H
 
2
O
3.BD.10Lesukite
Al
 
2
(OH)
 
5
Cl·2H
 
2
O
3.BD.20Nepskoeite
Mg
 
4
[(OH)
 
7
|Cl] · 6H
 
2
O
3.BD.25Koenenite
Na
 
4
Mg
 
9
Al
 
4
Cl
 
12
(OH)
 
22
Related Minerals - Hey's Index Grouping:
8.4.1Sellaite
MgF
 
2
8.4.2Neighborite
NaMgF
 
3
8.4.3Bischofite
MgCl
 
2
 · 6H
 
2
O
8.4.5Carnallite
KMgCl
 
3
·6H
 
2
O
8.4.6Tachyhydrite
CaMg
 
2
Cl
 
6
·12H
 
2
O
8.4.7Fluorite
CaF
 
2
8.4.8Sinjarite
CaCl
 
2
·2H
 
2
O
8.4.9Antarcticite
CaCl
 
2
 · 6H
 
2
O
8.4.10Chlorocalcite
KCaCl
 
3
8.4.11Rorisite
CaFCl
8.4.12Jarlite
Na(Sr,Ca)
 
3
Al
 
3
F
 
16
8.4.13Calcjarlite
Na(Ca,Sr)
 
3
Al
 
3
(OH)
 
2
F
 
14
8.4.14Tikhonenkovite
Sr[AlF
 
4
(OH)(H
 
2
O)]
8.4.15Acuminite
Sr[AlF
 
4
(OH)(H
 
2
O)]
8.4.16Frankdicksonite
BaF
 
2
8.4.17Usovite
Ba
 
2
CaMgAl
 
2
F
 
14
8.4.18Bøgvadite
Na
 
2
SrBa
 
2
[Al
 
4
F
 
20
]

Other Names for Korshunovskite

Synonyms:
IMA1980-083Korshunskite
German names:
KorshunovskitKorshunskit
Spanish names:
KorshunovskitaKorshunskita

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 Korshunovskite

Reference List:Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 111: 324-329.

American Mineralogist (1983): 68: 643.

Acta Crystallographica: 6: 40-44.

Internet Links for Korshunovskite

Search Engines:
  • Look for Korshunovskite on Google
  • Look for Korshunovskite images on Google
    • External Links:
  • Look for Korshunovskite on Webmineral
  • Look for Korshunovskite on Athena Mineralogy
  • Look for Korshunovskite on Wikipedia
  • Look for Korshunovskite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Korshunovskite in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Top quality minerals from Kristalle of California
  • Search for Korshunovskite at Thames Valley Minerals
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Wilensky Fine Minerals
  • rare and unusual minerals mainly crystallized
  • High-end worldwide specimens & outstanding customer service
  • Buy fine minerals and gemstones from Pala International
  • Wendel Minerals - Auktion & Shop
  • Fabre Minerals - search for Korshunovskite specimens
  • Buy Minerals and Crystals from Crystalarium.com
  • The Arkenstone - Fine Minerals
  • Search for Korshunovskite on minvision.com
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to find out how you can sponsor this page.

    Localities for Korshunovskite

    (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
     
    • Eastern-Siberian Region
      • Transbaikalia (Zabaykalye)
        • Irkutskaya Oblast'
          • Irkutsk
    		[ZVMO 111 (1982), 324; MinRec 32:500]
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. 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. If you would like to add information to improve the quality of our database, then click here to register.