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Itoite

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Formula:
Pb
 
3
Ge
4+
 
(SO
 
4
)
 
2
O
 
2
(OH)
 
2
System:Orthorhombic
Name:For Tei-Ichi Ito (1898-1980), Japanese mineralogist and crystallographer


Appears to be a questionable species ("Itoit ist damit keine homogene Phase und als Mineral zu streichen. Itoit ist ein pseudomorphes Umwandlungsprodukt nach Fleischerit und enthält neben Anglesit mindestens eine weitere Phase.", Otto, 1975).

Classification of Itoite

IMA status:Approved
Strunz 8th edition ID:6/B.08-10
Nickel-Strunz 10th (pending) edition ID:7.BD.50

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
D : With only large cations
Dana 8th edition ID:30.2.6.1

30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
2 : (AB)2(XO4)Zq
Hey's CIM Ref.:25.7.10

25 : Sulphates
7 : Sulphates of Pb
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Type Occurrence of Itoite

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Year of Discovery:1960

Crystallography of Itoite

Crystal System:Orthorhombic
Cell Parameters:a = 8.47Å, b = 5.38Å, c = 6.94Å
Ratio:a:b:c = 1.574 : 1 : 1.29
Unit Cell Volume:V 316.25 ų (Calculated from Unit Cell)

Optical Data of Itoite

Type:Biaxial
Dispersion:relatively strong

Chemical Properties of Itoite

Formula:
Pb
 
3
Ge
4+
 
(SO
 
4
)
 
2
O
 
2
(OH)
 
2
Essential elements:Ge, H, O, Pb, S
All elements listed in formula:Ge, H, O, Pb, S

Relationship of Itoite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.BD.05Sulphohalite
Na
 
6
(SO
 
4
)
 
2
FCl
7.BD.05Sulfohalite
7.BD.10Galeite
Na
 
15
(SO
 
4
)
 
5
F
 
4
Cl
7.BD.10Schairerite
Na
 
3
(SO
 
4
)(F,Cl)
7.BD.15Kogarkoite
Na
 
3
(SO
 
4
)F
7.BD.20Caracolite
Na
 
3
Pb
 
2
(SO
 
4
)
 
3
Cl
7.BD.20Cesanite
Na
 
3
Ca
 
2
(SO
 
4
)
 
3
(OH)
7.BD.20Aiolosite
Na
 
4
Bi(SO
 
4
)
 
3
Cl
7.BD.25Burkeite
Na
 
6
(CO
 
3
)(SO
 
4
)
 
2
7.BD.30Hanksite
Na
 
22
K(SO
 
4
)
 
9
(CO
 
3
)
 
2
Cl
7.BD.35Cannonite
Bi
 
2
(SO
 
4
)O(OH)
 
2
7.BD.40Lanarkite
Pb
 
2
(SO
 
4
)O
7.BD.45Grandreefite
Pb
 
2
(SO
 
4
)F
 
2
7.BD.55Chiluite
Bi
 
3
Te
6+
 
Mo
6+
 
O
 
10.5
7.BD.60Hectorfloresite
Na
 
9
(SO
 
4
)
 
4
(IO
 
3
)
7.BD.65Pseudograndreefite
Pb
 
6
(SO
 
4
)F
 
10
7.BD.70Sundiusite
Pb
 
10
(SO
 
4
)O
 
8
Cl
 
2
Related Minerals - Hey's Index Grouping:

- +
25.7.1Schaurteite
Ca
 
3
Ge(SO
 
4
)
 
2
(OH)
 
6
 · 4H
 
2
O
25.7.2Zircosulfate
(Zr,Ti)(SO
 
4
)
 
2
 · 4H
 
2
O
25.7.3Anglesite
PbSO
 
4
25.7.4Lanarkite
Pb
 
2
(SO
 
4
)O
25.7.5Palmierite
(K,Na)
 
2
Pb(SO
 
4
)
 
2
25.7.6Linarite
PbCu(SO
 
4
)(OH)
 
2
25.7.7Elyite
Pb
 
4
Cu(SO
 
4
)O
 
2
(OH)
 
4
 · H
 
2
O
25.7.8Chenite
Pb
 
4
Cu(SO
 
4
)
 
2
(OH)
 
6
25.7.9Osarizawaite
Pb(Al,Cu)
 
3
(SO
 
4
)
 
2
(OH)
 
6
25.7.11Fleischerite
Pb
 
3
Ge(SO
 
4
)
 
2
(OH)
 
6
 · 3H
 
2
O
25.7.12Beaverite-(Cu)
Pb(Fe
3+
 
,Cu)
 
3
(SO
 
4
)
 
2
(OH)
 
6
25.7.13Plumbojarosite
Pb
 
0.5
Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6

Other Names for Itoite

Other Languages:
German:Itoit
Spanish:Itoita

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 Itoite

Reference List:

- +
American Mineralogist (1960): 45: 1313.

Neues Jahrbuch für Mineralogie, Monatshefte (1960): 132-142.

Otto, H.H. (1975): Die Kristallstruktur von Fleischerit, Pb3Ge[(OH)6|(SO4)2]•3H2O, sowie kristallchemische Untersuchungen an isotypen Verbindungen. Neues Jahrb. Mineral., Abh., 123, 160-190 (in German with English abs.).

Internet Links for Itoite

Search Engines:
  • Look for Itoite on Google
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    • External Links:
  • Look for Itoite on Webmineral
  • Look for Itoite on Athena Mineralogy
  • Look for Itoite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Itoite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Top quality minerals from Kristalle of California
  • Fabre Minerals - search for Itoite specimens
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Find Itoite on www.crystalclassics.co.uk
  • Buy from David K Joyce minerals
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    • Localities for Itoite

    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.
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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.
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		Neues Jahrb.Min.,Mh.(1960) 132-142
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