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Lazarenkoite

Big Photo

Khovu-Aksy Ni-Co Deposit (Khovu-Asky), Tuva Republic, Eastern-Siberian Region, Russia
© Thomas Witzke

Formula:
(Ca,Fe)FeAs
 
3
O
 
7
·3H
 
2
O
System:OrthorhombicHardness:1
This page provides mineralogical data about Lazarenkoite.

Classification of Lazarenkoite

IMA status:Approved
Strunz 8th edition ID:4/J.08-20
Nickel-Strunz 10th (pending) edition ID:4.JC.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
C : Arsenites, antimonites, bismuthites; without additional anions, with H2O
Dana 8th edition ID:7.8.3.1

7 : MULTIPLE OXIDES
8 : AB3X7
Hey's CIM Ref.:23.20

23 : Arsenites
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Type Occurrence of Lazarenkoite

Type Locality:Khovu-Aksy Ni-Co Deposit (Khovu-Asky), Tuva Republic, Eastern-Siberian Region, Russia
Year of Discovery:1981

Physical Properties of Lazarenkoite

Hardness (Mohs):1

Crystallography of Lazarenkoite

Crystal System:Orthorhombic
Cell Parameters:a = 21.8Å, b = 12.64Å, c = 8.4Å
Ratio:a:b:c = 1.725 : 1 : 0.665
Unit Cell Volume:V 2,314.64 ų (Calculated from Unit Cell)

Optical Data of Lazarenkoite

Type:Biaxial (-)
RI values: nα = 1.820 nβ = 1.920 nγ = 1.955
2V:Measured: 30° , Calculated: 58°
Maximum Birefringence:δ = 0.135

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

Chemical Properties of Lazarenkoite

Formula:
(Ca,Fe)FeAs
 
3
O
 
7
·3H
 
2
O
Essential elements:As, Ca, Fe, H, O
All elements listed in formula:As, Ca, Fe, H, O

Relationship of Lazarenkoite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.JC.05Cafarsite
Ca
 
8
(Ti,Fe,Fe,Mn)
 
6-7
(AsO
 
3
)
 
12
·4H
 
2
O
4.JC.15Rouseite
Pb
 
2
Mn
2+
 
[AsO
 
3
]
 
2
 · 2H
 
2
O
4.JC.20Vajdakite
[(Mo
6+
 
O
 
2
)
 
2
(H
 
2
O)
 
2
As
3+
2
O
 
5
]·3H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
23.2Nanlingite
CaMg
 
4
[F
 
2
|AsO
 
3
]
 
2
23.3Leiteite
Zn[As
 
2
O
 
4
]
23.5Kuznetsovite
(Hg-Hg)Hg
2+
 
[Cl|AsO
 
4
]
23.6Paulmooreite
Pb
 
2
[As
 
2
O
 
5
]
23.7Ecdemite
Pb
 
6
[As
 
2
O
 
7
|Cl
 
4
]
23.8Heliophyllite
Pb
 
3
AsO
 
4-n
Cl
 
2n+1
23.9Finnemanite
Pb
 
5
[Cl|(AsO
 
3
)
 
3
]
23.10Gebhardite
Pb
 
8
[O|Cl
 
6
|(As
 
2
O
 
5
)
 
2
]
23.11Zimbabweite
(Na,K)
 
2
PbAs
 
4
(Ta,Nb,Ti)
 
4
O
 
18
23.13Rouseite
Pb
 
2
Mn
2+
 
[AsO
 
3
]
 
2
 · 2H
 
2
O
23.14Freedite
Pb
 
15
(Cu,Fe
2+
 
)
 
3
[O
 
7
|Cl
 
10
|(AsO
 
3
)
 
4
]
23.15Manganarsite
Mn
 
3
[(OH)
 
4
|As
 
2
O
 
4
]
23.17Armangite
Mn
2+
26
[CO
 
3
|(HAsO
 
3
)
 
4
|(AsO
 
3
)
 
14
]
23.18Karibibite
Fe
 
2
As
 
4
O
 
9
23.19Schneiderhöhnite
Fe
2+
 
Fe
3+
3
[As
 
5
O
 
13
]
23.21Stenhuggarite
CaFeSbO(AsO
 
3
)
 
2
23.22Tomichite
(V,Fe)
 
4
Ti
 
3
AsO
 
13
OH

Other Names for Lazarenkoite

Synonyms:
IMA1980-076
Other Languages:
German:Lazarenkoit
Spanish:Lazarenkoita

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 Lazarenkoite

Reference List:American Mineralogist (1982): 67: 415.

Articles/Blogs about Lazarenkoite

Internet Links for Lazarenkoite

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    Localities for Lazarenkoite

    (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.
    Germany
     
    • Lower Saxony
      • Harz Mts
        • Bad Harzburg
    		No reference listed
    Russia
     
    • Eastern-Siberian Region
      • Tuva Republic
    Mineral and/or Locality
    Google
     
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