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Zincohögbomite-2N2S

Big Photo

Mikro-Lakka Emery deposit, Kerketeas Mt (Kerkis Mt), Sámos Island, Sámos Prefecture, Aegean Islands (Aiyaíon) Department, Greece
© Thomas Witzke

Show Zincohögbomite-2N2S Photos (2)
Formula:
Ti(Zn,Mg,Fe)
 
2
Al
 
8
O
 
15
(OH)
System:HexagonalColour:Brown, deep
Lustre:AdamantineHardness:7
Name:Named as the zinc dominant mineral and 2N2S member of polysomatic series of the högbomite group (originally described as zincohögbomite-8H)


Högbomite Group

Classification of Zincohögbomite-2N2S

IMA status:Approved
Strunz 8th edition ID:4/C.07-
Nickel-Strunz 10th (pending) edition ID:4.CB.20

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
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Type Occurrence of Zincohögbomite-2N2S

Type Locality:Mikro-Lakka Emery deposit, Kerketeas Mt (Kerkis Mt), Sámos Island, Sámos Prefecture, Aegean Islands (Aiyaíon) Department, Greece

Physical Properties of Zincohögbomite-2N2S

Lustre:Adamantine
Diaphaneity (Transparency):Translucent
Colour:Brown, deep
Streak:Brownish
Hardness (Mohs):7
Cleavage:None Observed

Crystallography of Zincohögbomite-2N2S

Crystal System:Hexagonal
Class (H-M):6mm - Dihexagonal Pyramidal
Space Group:P63mc
Cell Parameters:a = 5.708Å, c = 18.31Å
Ratio:a:c = 1 : 3.208
Unit Cell Volume:V 516.64 ų (Calculated from Unit Cell)
Z:2

Optical Data of Zincohögbomite-2N2S

Type:Uniaxial (-)
RI values: nω = 1.878 nε = 1.832
Maximum Birefringence:δ = 0.046

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High

Chemical Properties of Zincohögbomite-2N2S

Formula:
Ti(Zn,Mg,Fe)
 
2
Al
 
8
O
 
15
(OH)
Essential elements:Al, O, Ti, Zn
All elements listed in formula:Al, Fe, H, Mg, O, Ti, Zn

Relationship of Zincohögbomite-2N2S 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.05Melanostibite
Mn
2+
 
(Sb
5+
 
,Fe
3+
 
)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-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 Zincohögbomite-2N2S

Synonyms:
IMA1994-016
German names:
Zincohögbomit-2N2S

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 Zincohögbomite-2N2S

Reference List:Ockenga, E., Ü. Yalcin, O. Medenbach & W. Schreyer (1998) Zincohögbomite, a new mineral from eastern Aegean metabauxites.- European Journal of Mineralogy: 10: 1361-1366.

Schweizerische mineralogische und petrographische Mitteilungen (1998):78: 461-488.

Armbruster, T. (2002), Revised nomenclature of högbomite, nigerite, and taaffeite minerals. European Journal of Mineralogy: 14: 389-395.

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    Localities for Zincohögbomite-2N2S

    (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.
    Greece
     
    • Aegean Islands (Aiyaíon) Department
      • Sámos Prefecture
        • Sámos Island
    		http://www.gfz-potsdam.de/pb4/pg1/people/feenstraabstracts/feen-abs4.html
          • Kerketeas Mt (Kerkis Mt)
    		No reference listed
    Mineral and/or Locality
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