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Yvonite

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Salsigne mine, Salsigne, Mas-Cabardès, Carcassonne, Aude, Languedoc-Roussillon, France
© O. Dziallas

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Formula:
Cu(HAsO
 
4
) · 2H
 
2
O
System:TriclinicColour:Turquoise-blue
Lustre:VitreousHardness:3½ - 4
Member of:Krautite Group
Name:Named after Klaus Yvon (b. 1943), Professor of Crystallography at the University of Geneva, Switzerland.


Krautite Group.

Classification of Yvonite

IMA status:Approved 1995
Strunz 8th edition ID:7/C.06-35
Nickel-Strunz 10th (pending) edition ID:8.CB.25

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
B : With only medium-sized cations, RO4:H2O = 1:1
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Type Occurrence of Yvonite

Type Locality:Salsigne mine, Salsigne, Mas-Cabardès, Carcassonne, Aude, Languedoc-Roussillon, France

Physical Properties of Yvonite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Turquoise-blue
Hardness (Mohs):3½ - 4

Crystallography of Yvonite

Crystal System:Triclinic
X-Ray Powder Diffraction:
d-spacingIntensity
7.35 (100)
5.239 (50)
4.40 (60)
3.936 (60)
3.302 (40)
3.008 (50)
2.840 (35)

Optical Data of Yvonite

Type:Biaxial (-)
RI values: nα = 1.615 nβ = 1.660 nγ = 1.700
2V:Measured: 82° , Calculated: 84°
Maximum Birefringence:δ = 0.085

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

Chemical Properties of Yvonite

Formula:
Cu(HAsO
 
4
) · 2H
 
2
O
Essential elements:As, Cu, H, O
All elements listed in formula:As, Cu, H, O

Relationship of Yvonite to other Species

Member of:Krautite Group
Other Members of Group:

- +
Krautite
Mn(HAsO
 
4
) · H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
8.CB.05Serrabrancaite
MnPO
 
4
 · H
 
2
O
8.CB.10Hureaulite
(Mn,Fe)
 
5
(PO
 
4
)
 
2
(HPO
 
4
)
 
2
 · 4H
 
2
O
8.CB.10Sainfeldite
CaCa
 
2
Ca
 
2
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
8.CB.10Villyaellenite
MnMn
 
2
Ca
 
2
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
8.CB.10UM1997-09-AsO:CaHMgZn
(Mg,Ca,Zn)
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
8.CB.10Nyholmite
Cd
 
3
Zn
 
2
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
8.CB.10Miguelromeroite
MnMn
 
2
Mn
 
2
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
8.CB.15Fluckite
CaMn
2+
 
(HAsO
 
4
)
 
2
 · 2H
 
2
O
8.CB.15Krautite
Mn(HAsO
 
4
) · H
 
2
O
8.CB.20Cobaltkoritnigite
(Co,Zn)(HAsO
 
4
) · H
 
2
O
8.CB.20Koritnigite
Zn(HAsO
 
4
) · H
 
2
O
8.CB.30Geminite
Cu(HAsO
 
4
) · H
 
2
O
8.CB.35Schubnelite
Fe
3+
 
VO
 
4
 · H
 
2
O
8.CB.40Radovanite
Cu
 
2
Fe
3+
 
(AsO
 
4
)(HAs
3+
 
O
 
3
)
 
2
 · H
 
2
O
8.CB.45Kazakhstanite
Fe
3+
5
V
4+
3
V
5+
12
O
 
39
(OH)
 
9
 · 9H
 
2
O
8.CB.50Kolovratite
Ni
 
x
Zn
 
y
(VO
 
4
)
 
0.67(x+y)
 · nH
 
2
O
8.CB.55Irhtemite
Ca
 
4
Mg(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
8.CB.60Burgessite
Co
 
2
(HAsO
 
4
)
 
2
 · 5H
 
2
O

Other Names for Yvonite

Synonyms:
IMA1995-012
Other Languages:
German:Yvonit
Russian:Ивонит
Spanish:Yvonita

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 Yvonite

Reference List:

- +
Sarp, H. and Černý, R. (1998) Description and crystal structure of Yvonite, Cu(AsO3OH).2H2O. American Mineralogist: 83: 383-389.

Mineralogical Record: 29: 479.

Internet Links for Yvonite

Search Engines:
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    • External Links:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Yvonite details from Handbook of Mineralogy (PDF)
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    • Localities for Yvonite

    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.
    Hide Locality List
    (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.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov (St Joachimsthal) District
    		M.E. Ciriotti - 04.06.2008 - Probed
    France
     
    • Languedoc-Roussillon
      • Aude
        • Carcassonne
          • Mas-Cabardès
            • Salsigne
    		[Amer.Min.(1998) 83, 383-389]
    • Provence-Alpes-Côte d'Azur
      • Var
        • Le Pradet
    		[AmMin 84:197]
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