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Melanostibite

Formula:
Mn
2+
 
(Sb
5+
 
,Fe
3+
 
)O
 
3
System:TrigonalColour:black
Hardness:4
This page provides mineralogical data about Melanostibite.

Classification of Melanostibite

IMA status:Approved
Strunz 8th edition ID:4/C.05-50
Nickel-Strunz 10th (pending) edition ID:4.CB.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
Dana 8th edition ID:4.3.5.5

4 : SIMPLE OXIDES
3 : A2X3
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Type Occurrence of Melanostibite

Type Locality:Sjö Mine, Grythyttan, Hällefors, Västmanland, Sweden
Year of Discovery:1892

Physical Properties of Melanostibite

Colour:black
Streak:cherry red
Hardness (Mohs):4
Cleavage:Perfect

Crystallography of Melanostibite

Crystal System:Trigonal
Cell Parameters:a = 5.22Å, c = 14.32Å
Ratio:a:c = 1 : 2.743
Unit Cell Volume:V 337.92 ų (Calculated from Unit Cell)

Optical Data of Melanostibite

Type:Uniaxial

Chemical Properties of Melanostibite

Formula:
Mn
2+
 
(Sb
5+
 
,Fe
3+
 
)O
 
3
Essential elements:Mn, O, Sb
All elements listed in formula:Fe, Mn, O, Sb

Relationship of Melanostibite to other Species

Related Minerals - Nickel-Strunz Grouping):
4.CB.05Brizziite
NaSb
5+
 
O
 
3
4.CB.05Corundum
Al
 
2
O
 
3
4.CB.05Ecandrewsite
(Zn,Fe
2+
 
,Mn
2+
 
)TiO
 
3
4.CB.05Eskolaite
Cr
 
2
O
 
3
4.CB.05Geikielite
MgTiO
 
3
4.CB.05Hematite
Fe
 
2
O
 
3
4.CB.05Ilmenite
Fe
2+
 
TiO
 
3
4.CB.05Karelianite
V
 
2
O
 
3
4.CB.05Pyrophanite
Mn
2+
 
TiO
 
3
4.CB.05Auroantimonate
AuSbO
 
3
4.CB.05Romanite
([],Pb,Ca)UFe
2+
2
(Ti,Fe
3+
 
)
 
6
Ti
 
12
O
 
38
4.CB.10Avicennite
Tl
 
2
O
 
3
4.CB.10Bixbyite
(Mn
3+
 
,Fe
3+
 
)
 
2
O
 
3
4.CB.15Armalcolite
(Mg,Fe
2+
 
)Ti
 
2
O
 
5
4.CB.15Pseudobrookite
Fe
 
2
TiO
 
5
4.CB.15Mongshanite
(Mg,Cr,Fe
2+
 
)
 
2
(Ti,Zr)
 
5
O
 
12
4.CB.20Zincohögbomite-2N2S
Ti(Zn,Mg,Fe)
 
2
Al
 
8
O
 
15
(OH)
4.CB.20Zincohögbomite-2N6S
Ti(Zn,Mg,Fe)
 
6
Al
 
16
O
 
31
(OH)
4.CB.20Magnesiohögbomite-6N6S
Ti(Mg,Fe)
 
2
Al
 
8
O
 
15
(OH)
4.CB.20Magnesiohögbomite-2N3S
Ti(Mg,Fe)
 
3
Al
 
10
O
 
19
(OH)
4.CB.20Magnesiohögbomite-2N2S
Ti(Mg,Fe)
 
2
Al
 
8
O
 
15
(OH)
4.CB.20Ferrohögbomite-6N12S
Ti(Fe,Mg)
 
4
Al
 
12
O
 
23
(OH)
4.CB.25Pseudorutile
Fe
 
2
Ti
 
3
O
 
9
4.CB.25Tietaiyangite
Fe
3+
4
Fe
2+
 
TiO
 
9
4.CB.30Berdesinskiite
V
3+
2
TiO
 
5
4.CB.35Kyzylkumite
V
 
2
Ti
 
3
O
 
9
4.CB.35Olkhonskite
(Cr,V)
 
2
Ti
 
3
O
 
9
4.CB.35Schreyerite
V
 
2
Ti
 
3
O
 
9
4.CB.40Kamiokite
Fe
 
2
Mo
 
3
O
 
8
4.CB.40Nolanite
(V,Fe,Fe,Ti)
 
10
O
 
14
(OH)
 
2
4.CB.40Rinmanite
Zn
 
2
Sb
 
2
Mg
 
2
Fe
 
4
O
 
14
(OH)
 
2
4.CB.45Claudetite
As
 
2
O
 
3
4.CB.45Stibioclaudetite
AsSbO
 
3
4.CB.50Arsenolite
As
 
2
O
 
3
4.CB.50Sénarmontite
Sb
 
2
O
 
3
4.CB.55Valentinite
Sb
 
2
O
 
3
4.CB.60Bismite
Bi
 
2
O
 
3
4.CB.65Sphaerobismoite
Bi
 
2
O
 
3
4.CB.70Sillénite
Bi
 
12
SiO
 
20

Other Names for Melanostibite

Synonyms:
Melanotibian
German names:
Melanostibit
Russian names:
Меланостибит
Spanish names:
Melanostibita

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 Melanostibite

Reference List:American Mineralogist (1968): 53: 1104-1109.

Internet Links for Melanostibite

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  • Raman and XRD data at RRUFF project
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    Localities for Melanostibite

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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.
    Sweden
     
    • Västmanland
      • Hällefors
        • Grythyttan
    		Zeits.Kryst.Min.(1893) 21, 246-248; J.W. Anthony, R.A. Bideaux, K.W. Bladh, M.C. Nichols: Handbook of Mineralogy, Vol. III (1997)
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