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Xanthiosite

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Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany
© Knut Eldjarn

Formula:
Ni
 
3
[AsO
 
4
]
 
2
System:MonoclinicColour:Golden yellow
Name:From Greek "xanthos", yellow, plus "thion", sulfur, alluding to its color and assumed chemistry.
This page provides mineralogical data about Xanthiosite.

Classification of Xanthiosite

IMA status:Approved
Strunz 8th edition ID:7/A.09-40
Nickel-Strunz 10th (pending) edition ID:8.AB.25

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
B : With medium-sized cations
Dana 7th edition ID:38.3.2.1
Dana 8th edition ID:38.3.2.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
3 : (AB)3(XO4)2
Hey's CIM Ref.:20.10.8

20 : Arsenates (also arsenates with phosphate, but without other anions)
10 : Arsenates of Co and Ni
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Type Occurrence of Xanthiosite

Type Locality:Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany
Year of Discovery:1858

Physical Properties of Xanthiosite

Colour:Golden yellow

Crystallography of Xanthiosite

Crystal System:Monoclinic
Cell Parameters:a = 10.17Å, b = 9.54Å, c = 5.76Å
β = 92.98°
Ratio:a:b:c = 1.066 : 1 : 0.604
Unit Cell Volume:V 558.09 ų (Calculated from Unit Cell)

Chemical Properties of Xanthiosite

Formula:
Ni
 
3
[AsO
 
4
]
 
2
Essential elements:As, Ni, O
All elements listed in formula:As, Ni, O

Relationship of Xanthiosite 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.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,Cu)
 
3
[AsO
 
4
]
 
2
8.AB.40Lyonsite
Cu
 
3
Fe
 
4
(VO
 
4
)
 
6
Related Minerals - Hey's Index Grouping:

- +
20.10.1Erythrite
Co
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
20.10.2Cobaltaustinite
CaCo[OH|AsO
 
4
]
20.10.3Roselite
Ca
 
2
(Co
2+
 
,Mg)[AsO
 
4
]
 
2
 · 2H
 
2
O
20.10.4β-Roselite
Ca
 
2
(Co
2+
 
,Mg)[AsO
 
4
]
 
2
 · 2H
 
2
O
20.10.5Wendwilsonite
Ca
 
2
(Mg,Co
2+
 
)[AsO
 
4
]
 
2
 · 2H
 
2
O
20.10.6Cobaltkoritnigite
(Co,Zn)[HAsO
 
4
] · H
 
2
O
20.10.7Aerugite
Ni
 
8.5
(AsO
 
4
)
 
2
As
5+
 
O
 
8
20.10.9Annabergite
Ni
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
20.10.10Smolianinovite
(Co,Ni,Mg,Ca)
 
3
(Fe
3+
 
,Al)
 
2
(AsO
 
4
)
 
4
·11H
 
2
O
20.10.11Nickelaustinite
Ca(Ni,Zn)[OH|AsO
 
4
]

Other Names for Xanthiosite

Other Languages:
German:Xanthiosit
Russian:Ксантиозит
Spanish:Xanthiosita

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 Xanthiosite

Reference List:Bergemann C. (1858), Ueber einige Nickelerze. Journal für Praktische Chemie [1] 75, 239-244.

Mineralogical Magazine (1965): 35: 72.

American Mineralogist (1965): 50: 2108.

Acta Crystallographica (1991): B: 457.

Internet Links for Xanthiosite

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    Localities for Xanthiosite

    Hide Locality List
    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.
    (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
     
    • Saxony
      • Erzgebirge
        • Johanngeorgenstadt District
    		C. Bergemann (1858): Ueber einige Nickelerze.- Journal für praktische Chemie [1] 75, 239-244
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Lavrion (Laurion; Laurium)
            • Lavrion Mines
    		Rieck, B.: Lapis (1999)(7/8),68-76.
    Mineral and/or Locality
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