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Schöllhornite

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Indarch meteorite (Elizabethpol; Gindorcha; Glindorcha; Indarh; Indarkh; Schuscha; Suscha [NHM cat.]), Shusha, Naxçıvan (Naxcivan; Nakhichevan) District, Azerbaijan
© 2008, J. Weissman

Formula:
Na
 
0.3
CrS
 
2
·H
 
2
O
System:TrigonalColour:Grey
Lustre:MetallicHardness:2
Name:Named after Robert Schollhorn.
This page provides mineralogical data about Schöllhornite.

Classification of Schöllhornite

IMA status:Approved
Nickel-Strunz 10th (pending) edition ID:2.FB.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
F : Sulfides of arsenic, alkalies; sulfides with halide, oxide, hydroxide, H2O
B : With alkalies (without Cl, etc.)
Dana 8th edition ID:2.9.17.2

2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1
Hey's CIM Ref.:4.4

4 : Oxysulphides
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Type Occurrence of Schöllhornite

Type Locality:Norton County meteorite, Norton Co., Kansas, USA

Physical Properties of Schöllhornite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Grey
Hardness (Mohs):2

Crystallography of Schöllhornite

Crystal System:Trigonal

Chemical Properties of Schöllhornite

Formula:
Na
 
0.3
CrS
 
2
·H
 
2
O
Essential elements:Cr, H, Na, O, S
All elements listed in formula:Cr, H, Na, O, S

Relationship of Schöllhornite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.FB.05Caswellsilverite
NaCrS
 
2
2.FB.05Cronusite
Ca
 
0.2
CrS
 
2
· 2 H
 
2
O
2.FB.10Chvilevaite
Na(Cu,Fe,Zn)
 
2
S
 
4
2.FB.15Orickite
2CuFeS
 
2
·H
 
2
O
2.FB.20Rasvumite
KFe
 
2
S
 
3
2.FB.20Pautovite
CsFe
 
2
S
 
3
2.FB.25Colimaite
K
 
3
VS
 
4
Related Minerals - Hey's Index Grouping:

- +
4.1Bazhenovite
Ca
 
8
[(OH)
 
12
|S
 
2
O
 
3
|S
 
5
] · 20H
 
2
O
4.2Kermesite
Sb
 
2
S
 
2
O
4.3Sarabauite
CaSb
 
10
O
 
10
S
 
6
4.5Yushkinite
(Mg,Al)[(OH)
 
2
 (VS
 
2
)
4.6Vyalsovite
FeCaAl[(OH)
 
5
|S]
4.7Valleriite
(Fe
2+
 
,Cu)
 
4
(Mg,Al)
 
3
[(OH,O)
 
6
|S
 
4
]
4.8Tochilinite
Fe
2+
5-6
(Mg,Fe
2+
 
)
 
5
[(OH)
 
10
|S
 
6
]
4.9Haapalaite
(Fe
2+
 
,Ni)
 
2
(Mg,Fe
2+
 
)
 
1.61
[(OH)
 
3.22
|S
 
2
]
4.10Apuanite
Fe
2+
 
Fe
3+
4
Sb
3+
4
O
 
12
S
4.11Versiliaite
Fe
 
2
Fe
 
4
Sb
 
6
O
 
16
S

Other Names for Schöllhornite

Synonyms:
IMA1984-043Schoellhornite
Other Languages:
German:Schoellhornit
Schöllhornit
Spanish:Schoellhornita
Schöllhornita

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 Schöllhornite

Reference List:American Mineralogist (1985): 70: 638-643.

Internet Links for Schöllhornite

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  • Raman and XRD data at RRUFF project
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  • Schöllhornite details from Handbook of Mineralogy (PDF)
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    Localities for Schöllhornite

    (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.
    USA
     
    • Kansas
      • Norton Co.
    		Amer.Min.(1985) 70, 638-643
    Yemen
     
    • South Yemen
    		LPSC 26,659(1995); Zolensky, M. & A.Ivanov, Chemie der Erde 63,185-246(2003)
    Mineral and/or Locality
    Google
     
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