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Ilinskite

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About IlinskiteHide

Formula:
(Na,K)Cu5(SeO3)2O2Cl3
Colour:
emerald green
Lustre:
Vitreous
Hardness:
Specific Gravity:
4.08 (Calculated)
Crystal System:
Orthorhombic
Name:
For G. A. Ilinskiy (1927-1996) of St. Petersburg University.
This page provides mineralogical data about Ilinskite.


Classification of IlinskiteHide

Approved
Approval Year:
1996
4.JG.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
G : Selenites with additional anions, without H2O

Physical Properties of IlinskiteHide

Vitreous
Transparency:
Transparent
Colour:
emerald green
Streak:
light green
Hardness:
1½ on Mohs scale
Hardness:
VHN2=10 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Perfect
{100}
Density:
4.08 g/cm3 (Calculated)

Optical Data of IlinskiteHide

Type:
Biaxial (-)
RI values:
nα = 1.845(5) nβ = 1.965 - 1.968 nγ = 1.975(5)
2V:
Measured: 20° , Calculated: 24° to 30°
Max Birefringence:
δ = 0.130
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
dispersion not observed
Pleochroism:
Visible
Comments:
X,Z, = green, Y = yellow-green

Chemical Properties of IlinskiteHide

Formula:
(Na,K)Cu5(SeO3)2O2Cl3
IMA Formula:
NaCu5O2(Se4+O3)2Cl3

Crystallography of IlinskiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Cell Parameters:
a = 17.769(7) Å, b = 6.448(3) Å, c = 10.522(4) Å
Ratio:
a:b:c = 2.756 : 1 : 1.632
Unit Cell V:
1205.6 ų
Z:
4
Comment:
Pbnm

Type Occurrence of IlinskiteHide

General Appearance of Type Material:
The mineral forms tabular crystals, elongate [001], flattened on (010), up to 0.35 mm long and 0.05 mm thick
Place of Conservation of Type Material:
Type material is in the Mining Museum of the Saint Petersburg Mining Institute, and in the Museum of the Mineralogy Department of the Saint Petersburg State University, Russia.
Geological Setting of Type Material:
Fumarole Temp 200–230°C
Associated Minerals at Type Locality:

Synonyms of IlinskiteHide

Other Language Names for IlinskiteHide

German:Ilinskit
Simplified Chinese:氯氧硒钠铜石
Spanish:Ilinskita
Traditional Chinese:氯氧硒鈉銅石

Related Minerals - Nickel-Strunz GroupingHide

4.JG.PrewittiteKPb1.5ZnCu6(SeO3)2O2Cl10Orth. mmm (2/m 2/m 2/m) : Pnnm
4.JG.05GeorgbokiiteCu5(SeO3)2O2Cl2Mon.
4.JG.05ParageorgbokiiteCu5(SeO3)2O2Cl2Mon. 2/m : P21/b
4.JG.10ChloromeniteCu9(SeO3)4O2Cl6Mon.
4.JG.15SofiiteZn2(SeO3)Cl2Orth.
4.JG.25FrancisiteCu3Bi(SeO3)2O2ClOrth. mmm (2/m 2/m 2/m) : Pmmn
4.JG.30DerriksiteCu4(UO2)(SeO3)2(OH)6
4.JG.35BurnsiteKCdCu2+7(SeO3)2O2Cl9
4.JG.40AllochalcoseliteCu+PbCu2+5(SeO3)2Cl5O2Mon. 2/m : B2/m

Other InformationHide

Notes:
Soluble in dilute acids
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for IlinskiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mineralogical Record: 29: 472.
Transactions of the Russian Academy of Sciences/Earth Science Sections: 353A(3): 352-355.
Vergasova L P, Semenova T F, Shuvalov R R, Filatov S K, Anan'yev V V (1997) Ilinskite NaCu5O2(SeO3)2Cl3 - a new mineral of volcanic exhalations. Doklady Akademii Nauk 353, issue 5, 641-644
Sergey V. Krivovichev, Stanislav K. Filatov, Lidiya P. Vergasova (2013): The crystal structure of ilinskite, NaCu5O2(SeO3)2Cl3, and review of mixed-ligand CuOmCln coordination geometries in minerals and inorganic compounds. Mineral. Petrol. 107, 235-242.

Internet Links for IlinskiteHide

Localities for IlinskiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia
 
  • Kamchatka Krai
    • Tolbachik volcano
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
        • Northern Breakthrough (North Breach)
DAN,(1997) 353, n5, 641-644; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Mandarino, J. A. (2003). New minerals. The Canadian Mineralogist, 41(3), 803-828.
        • Southern Breakthrough (South Breach)
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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