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Lyonsite

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Big Photo

Ronneburg U deposit, Gera, Thuringia, Germany
© Thomas Witzke

Show Lyonsite Photos (2)



Formula:
Cu
 
3
Fe
 
4
(VO
 
4
)
 
6
System:OrthorhombicColour:Black. Creamy-white in ...
Lustre:Metallic


Visually similar to pseudolyonsite.

Classification of Lyonsite

IMA status:Approved
Strunz 8th edition ID:7/A.10-20
Nickel-Strunz 10th (pending) edition ID:8.AB.40

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
B : With medium-sized cations
Dana 8th edition ID:38.5.2.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
5 : Miscellaneous
Hey's CIM Ref.:21.1.15

21 : Vanadates (and vanadates with arsenate or phosphate)
1 : Vanadates of the alkalis and Cu
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Type Occurrence of Lyonsite

Type Locality:Izalco Volcano, Sonsonate Department, El Salvador
Year of Discovery:1987

Physical Properties of Lyonsite

Lustre:Metallic
Colour:Black. Creamy-white in reflected light.

Crystallography of Lyonsite

Crystal System:Orthorhombic
Cell Parameters:a = 10.29Å, b = 17.2Å, c = 4.91Å
Ratio:a:b:c = 0.598 : 1 : 0.285
Unit Cell Volume:V 869.01 ų (Calculated from Unit Cell)

Chemical Properties of Lyonsite

Formula:
Cu
 
3
Fe
 
4
(VO
 
4
)
 
6
Essential elements:Cu, Fe, O, V
All elements listed in formula:Cu, Fe, O, V

Relationship of Lyonsite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.AB.05Farringtonite
Mg
 
3
(PO
 
4
)
 
2
8.AB.10Ferrisicklerite
(Fe
3+
 
,LiMn
2+
 
)PO
 
4
8.AB.10Heterosite
(Fe
3+
 
,Mn
3+
 
)PO
 
4
8.AB.10Lithiophilite
LiMn
2+
 
PO
 
4
8.AB.10Natrophilite
NaMn
2+
 
PO
 
4
8.AB.10Purpurite
(Mn
3+
 
,Fe
3+
 
)PO
 
4
8.AB.10Sicklerite
(LiMn
2+
 
,Fe
3+
 
)PO
 
4
8.AB.10Simferite
Li(Mg,Fe
3+
 
,Mn
3+
 
)
 
2
(PO
 
4
)
 
2
8.AB.10Triphylite
LiFe
2+
 
PO
 
4
8.AB.15Sarcopside
(Fe
2+
 
,Mn
2+
 
,Mg)
 
3
(PO
 
4
)
 
2
8.AB.15Chopinite
(Mg,Fe
2+
 
)
 
3
(PO
 
4
)
 
2
8.AB.20Beusite
(Mn
2+
 
,Fe
2+
 
,Ca,Mg)
 
3
(PO
 
4
)
 
2
8.AB.20Graftonite
(Fe
2+
 
,Mn
2+
 
,Ca)
 
3
(PO
 
4
)
 
2
8.AB.25Xanthiosite
Ni
 
3
(AsO
 
4
)
 
2
8.AB.30Lammerite
Cu
 
3
(AsO
 
4
)
 
2
8.AB.30IMA2009-002
Cu
 
3
(AsO
 
4
)
 
2
8.AB.35Mcbirneyite
Cu
 
3
(VO
 
4
)
 
2
8.AB.35Stranskiite
Zn
 
2
Cu(AsO
 
4
)
 
2
8.AB.35Pseudolyonsite
Cu
 
3
(VO
 
4
)
 
2
Related Minerals - Hey's Index Grouping:

- +
21.1.1Metamunirite
NaVO
 
3
21.1.2Munirite
NaVO
 
3
 · 1.9H
 
2
O
21.1.3Barnesite
(Na,Ca)V
 
6
O
 
16
 · 3H
 
2
O
21.1.4Bannermanite
(Na,K)
 
0.7
V
4+
0.7
V
5+
5.3
O
 
15
21.1.5Howardevansite
NaCuFe
 
2
(VO
 
4
)
 
3
21.1.6Huemulite
Na
 
4
Mg(V
 
10
O
 
28
) · 24H
 
2
O
21.1.7Blossite
α-Cu
 
2
(V
 
2
O
 
7
)
21.1.8Ziesite
β-Cu
 
2
(V
 
2
O
 
7
)
21.1.9Stoiberite
Cu
 
5
(VO
 
4
)
 
2
O
 
2
21.1.10Mcbirneyite
Cu
 
3
(VO
 
4
)
 
2
21.1.11Fingerite
Cu
 
11
(VO
 
4
)
 
6
O
 
2
21.1.12Volborthite
Cu
 
3
(V
 
2
O
 
7
)(OH)
 
2
 · 2H
 
2
O
21.1.13Tangeite
CaCu(VO
 
4
)(OH)
21.1.14Vésigniéite
BaCu
 
3
(VO
 
4
)
 
2
(OH)
 
2

Other Names for Lyonsite

Synonyms:
IMA1986-041
Other Languages:
German:Lyonsit
Russian:Лионсит
Spanish:Lyonsita

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 Lyonsite

Reference List:

- +
American Mineralogist (1987): 72: 1000-1005.

Internet Links for Lyonsite

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    • Localities for Lyonsite

    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.
    El Salvador
     
    • Sonsonate Department
    		Amer.Min.(1987) 72, 1000-1005
    Germany
     
    • Thuringia
      • Gera
        • Ronneburg U deposit
    		T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
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