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Titanium

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Formula:
Ti
System:HexagonalColour:Silver-grey
Lustre:MetallicHardness:4
Name:Named for the element.


Two forms of native titanium have been found - one, found in granite, crystallizes in the hexagonal system, the other as minute inclusions in garnet from an ultrahigh-pressure metamorphic complex crystallizes in the tetragonal system (see Tetragonal Titanium).
Hexagonal α-Titanium was described from fumaroles of the Northern Break of Great Fissure Tolbachik Eruption of 1975 in 1992.

Considered doubtful for a longer time, finally approved in 2010.

Classification of Titanium

IMA status:Approved 2010
Strunz 8th edition ID:1/A.06-05
Nickel-Strunz 10th (pending) edition ID:1.AB.05

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
B : Zinc-brass family
Dana 7th edition ID:1.1.36.1
mindat.org URL:http://www.mindat.org/min-7339.html
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Type Occurrence of Titanium

Type Locality:Orebody 31, Luobusa Mine, Luobusa ophiolite, Qusum (Qusong) Co., Shannan (Lhokha; Lhoka) Prefecture, Tibet Autonomous Region, China

Physical Properties of Titanium

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Silver-grey
Streak:Black
Hardness (Mohs):4

Crystallography of Titanium

Crystal System:Hexagonal
Class (H-M):6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:P63/mmc {P63/m 2/m 2/c}
Cell Parameters:a = 2.950(2) Å, c = 4.686(1) Å
Ratio:a:c = 1 : 1.588
Unit Cell Volume:V 35.32 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
2.569 (32)
2.254 (100)
1.730 (16)
1.478 (21)
0.989 (5)
0.9464 (8)
0.9172 (4)
0.8214 (4)

Chemical Properties of Titanium

Formula:
Ti
Essential elements:Ti
All elements listed in formula:Ti

Relationship of Titanium to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.AB.05Cadmium
Cd
1.AB.05Rhenium
Re
1.AB.05Zinc
Zn
1.AB.10bDanbaite
CuZn
 
2
1.AB.10aZhanghengite
CuZn
1.AB.10aBrass
Cu
 
3
Zn
1.AB.10bTongxinite
Cu
 
2
Zn
1.AB.10aZinccopperite
Cu
 
7
Zn
 
4
 (?)
1.AB.10UM2003-03-E:AgAuCuZn
(Cu,Au,Ag)
 
4
Zn
1.AB.10UM1980-01-E:CuZn
Cu
 
3
Zn
1.AB.10UM1980-02-E:CuZn
Cu
 
4.45
Zn

Other Names for Titanium

Synonyms:
IMA2010-044Titan
Other Languages:
Russian:Титан
Varieties:
Tetragonal Titanium

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 Titanium

Reference List:

- +
American Mineralogist (1991): 76: 1435.

Glavatskih S.F., Gorshkov A.I. (1992) Natural analogue of α-Titanium in exhalations products of Big Fissure Tolbachik Eruption (Kamchatka), - Doklady RAN, v. 327, №1, pp. 126-130 (in Russian)

Fang, Q.-S., Shi, N.-C., Li, G.-W., Bai, W.-J., Yang, J.-S., Xiong, M., Rong, H. and Ma, Z.-S. (2010) Titanium, IMA 2010-044. CNMNC Newsletter No. 7, February 2010, page 27; Mineralogical Magazine, 75, 27-31.

Internet Links for Titanium

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    • Localities for Titanium

    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.
    China
     
    • Hubei Province
      • Huanggang Prefecture
        • Yingshan Co.
    		[var: Tetragonal Titanium] [AmMin 65:198]
    • Tibet Autonomous Region
      • Shannan (Lhokha; Lhoka) Prefecture
        • Qusum (Qusong) Co.
    		Wenji Bai, Jingsui Yang, Qingsong Fang, Binggang Yan, Zhongming Zhang, Yufeng Ren, Nicheng Shi, Zhesheng Ma, and Mingquan Dai (2004): Earth Science Frontiers 11(1), 179-187
            • Luobusa Mine
    		Fang, Q.-S., Shi, N.-C., Li, G.-W., Bai, W.-J., Yang, J.-S., Xiong, M., Rong, H. and Ma, Z.-S. (2010) Titanium, IMA 2010-044. CNMNC Newsletter No. 7, February 2010, page 27; Mineralogical Magazine, 75, 27-31.
    Russia
     
    • Eastern-Siberian Region
      • Prebaikalia (Pribaikal'e)
        • Irkutskaya Oblast'
          • Bodaibo
            • Lena Gold District
              • Kropotkinsky ore cluster
    		http://www.igem.ru/igem/chem/pt/sukhloge.htm
    • Far-Eastern Region
      • Kamchatka Oblast'
        • Bezymyannyi Volcano
    		No reference listed
    Glavatskih S.F., Gorshkov A.I. (1992) Natural analogue of α-Titanium in exhalations products of Big Fissure Tolbachik Eruption (Kamchatka), - Doklady RAN, v. 327, №1, pp. 126-130 (in Russian)
      • Sakhalinskaya Oblast'
        • Kuril Islands
          • Iturup Island
    		http://maurice.strahlen.org/kurilles/kurilles.htm
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