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Nakauriite

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Lobminggraben, St Stefan, Kraubath, Leoben, Styria, Austria
© Elmar Lackner

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Formula:
Cu
 
8
(SO
 
4
)
 
4
(CO
 
3
)(OH)
 
6
 · 48H
 
2
O
May contain minor Mg, Ni.
System:OrthorhombicColour:Translucent blue
Name:Named for the type locality.


The sulfate content appears to be questionable according to several literature sources.

Classification of Nakauriite

IMA status:Approved
Strunz 8th edition ID:6/D.03-90
Nickel-Strunz 10th (pending) edition ID:7.DG.30

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
G : With large and medium-sized cations; with NO3, CO3, B(OH)4, SiO4 or IO3
Dana 8th edition ID:32.4.1.1

32 : COMPOUND SULFATES
4 : Hydrated Compound Sulfates containing Hydroxyl or Halogen
Hey's CIM Ref.:12.2.6

12 : Carbonates with other anions
2 : Carbonates with sulphate
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Type Occurrence of Nakauriite

Type Locality:Nakauri mine, Shinshiro city, Aichi prefecture, Chubu Region, Honshu Island, Japan
Year of Discovery:1976

Physical Properties of Nakauriite

Colour:Translucent blue

Crystallography of Nakauriite

Crystal System:Orthorhombic
Cell Parameters:a = 14.58Å, b = 11.47Å, c = 16.22Å
Ratio:a:b:c = 1.271 : 1 : 1.414
Unit Cell Volume:V 2,712.51 ų (Calculated from Unit Cell)

Optical Data of Nakauriite

Type:Biaxial (-)
RI values: nα = 1.585 nβ = 1.604 nγ = 1.612
2V:Measured: 65° , Calculated: 64°
Maximum Birefringence:δ = 0.027

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

Chemical Properties of Nakauriite

Formula:
Cu
 
8
(SO
 
4
)
 
4
(CO
 
3
)(OH)
 
6
 · 48H
 
2
O


May contain minor Mg, Ni.
Essential elements:C, Cu, H, O, S
All elements listed in formula:C, Cu, H, O, S

Relationship of Nakauriite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DG.05Darapskite
Na
 
3
(SO
 
4
)(NO
 
3
) · H
 
2
O
7.DG.10Clinoungemachite
(Na, K, Fe, SO
 
4
)
7.DG.10Humberstonite
Na
 
7
K
 
3
Mg
 
2
(SO
 
4
)
 
6
(NO
 
3
)
 
2
 · 6H
 
2
O
7.DG.10Ungemachite
K
 
3
Na
 
8
Fe(SO
 
4
)
 
6
(NO
 
3
)
 
2
 · 6H
 
2
O
7.DG.15Bentorite
Ca
 
6
(Cr
3+
 
,Al)
 
2
(SO
 
4
)
 
3
(OH)
 
12
 · 26H
 
2
O
7.DG.15Charlesite
Ca
 
6
(Al,Si)
 
2
(SO
 
4
)
 
2
[B(OH)
 
4
](OH,O)
 
12
 · 26H
 
2
O
7.DG.15Ettringite
Ca
 
6
Al
 
2
(SO
 
4
)
 
3
(OH)
 
12
 · 26H
 
2
O
7.DG.15Jouravskite
Ca
 
6
Mn
3+
2
(SO
 
4
,CO
 
3
)
 
3
(OH)
 
12
 · 26H
 
2
O
7.DG.15Sturmanite
Ca
 
6
(Fe
3+
 
,Al,Mn
3+
 
)
 
2
(SO
 
4
)
 
2
[B(OH)
 
4
](OH)
 
12
 · 25H
 
2
O
7.DG.15Thaumasite
Ca
 
3
(SO
 
4
)[Si(OH)
 
6
](CO
 
3
) · 12H
 
2
O
7.DG.15Carraraite
Ca
 
3
(SO
 
4
)[Ge(OH)
 
6
](CO
 
3
) · 12H
 
2
O
7.DG.15Buryatite
Ca
 
3
(Si,Fe,Al)(SO
 
4
)[B(OH)
 
4
]O(OH)
 
5
 · 12H
 
2
O
7.DG.20Rapidcreekite
Ca
 
2
(SO
 
4
)(CO
 
3
) · 4H
 
2
O
7.DG.20Korkinoite
Ca
 
4
(SO
 
4
)
 
2
(CO
 
3
)
 
2
 · 9(H
 
2
O)
7.DG.25Tatarskite
Ca
 
6
Mg
 
2
(SO
 
4
)
 
2
(CO
 
3
)
 
2
(OH)
 
4
Cl
 
4
 · 7H
 
2
O
7.DG.35Chessexite
(Na,K)
 
4
Ca
 
2
(Mg,Zn)
 
3
Al
 
8
(SO
 
4
)
 
10
(SiO
 
4
)
 
2
 · 40H
 
2
O
7.DG.40Carlosruizite
K
 
6
(Na,K)
 
4
Na
 
6
Mg
 
10
(SeO
 
4
)
 
12
(IO
 
3
)
 
12
 · 12H
 
2
O
7.DG.40Fuenzalidaite
K
 
6
(Na,K)
 
4
Na
 
6
Mg
 
10
(SO
 
4
)
 
12
(IO
 
3
)
 
12
 · 12H
 
2
O
7.DG.45Chelyabinskite
(Ca,Mg)
 
3
(SO
 
4
,CO
 
3
)
 
2
[Si(OH)
 
6
] · 9H
 
2
O (?)
Related Minerals - Hey's Index Grouping:

- +
12.2.1Burkeite
Na
 
6
(CO
 
3
)(SO
 
4
)
 
2
12.2.2Hanksite
Na
 
22
K(SO
 
4
)
 
9
(CO
 
3
)
 
2
Cl
12.2.3Tychite
Na
 
6
Mg
 
2
(CO
 
3
)
 
4
(SO
 
4
)
12.2.4Motukoreaite
NaMg
 
19
Al
 
12
(SO
 
4
)
 
4
(CO
 
3
)
 
6.5
(OH)
 
54
 · 28H
 
2
O
12.2.5Ferrotychite
Na
 
6
(Fe,Mn,Mg)
 
2
(CO
 
3
)
 
4
(SO
 
4
)
12.2.7Carbonatecyanotrichite
Cu
 
4
Al
 
2
(CO
 
3
,SO
 
4
)(OH)
 
12
 · 2H
 
2
O
12.2.8Rapidcreekite
Ca
 
2
(SO
 
4
)(CO
 
3
) · 4H
 
2
O
12.2.9Tatarskite
Ca
 
6
Mg
 
2
(SO
 
4
)
 
2
(CO
 
3
)
 
2
(OH)
 
4
Cl
 
4
 · 7H
 
2
O
12.2.10Schulenbergite
(Cu,Zn)
 
7
(SO
 
4
,CO
 
3
)
 
2
(OH)
 
10
 · 3H
 
2
O
12.2.11Leadhillite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
12.2.12Macphersonite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
12.2.13Susannite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
12.2.14Wherryite
Pb
 
7
Cu
 
2
(SO
 
4
)
 
4
(SiO
 
4
)
 
2
(OH)
 
2
12.2.15Caledonite
Cu
 
2
Pb
 
5
(SO
 
4
)
 
3
(CO
 
3
)(OH)
 
6
12.2.16Nasledovite
PbMn
 
3
Al
 
4
(CO
 
3
)
 
4
(SO
 
4
)O
 
5
 · 5H
 
2
O
12.2.17Jouravskite
Ca
 
6
Mn
3+
2
(SO
 
4
,CO
 
3
)
 
3
(OH)
 
12
 · 26H
 
2
O
12.2.18Schröckingerite
NaCa
 
3
(UO
 
2
)(CO
 
3
)
 
3
(SO
 
4
)F · 10H
 
2
O
12.2.19Manganotychite
Na
 
6
Mn
 
2
(CO
 
3
)
 
4
(SO
 
4
)
12.2.20Hauckite
Fe
3+
3
(Mg,Mn
2+
 
)
 
24
Zn
 
18
(SO
 
4
)
 
4
(CO
 
3
)
 
2
(OH)
 
81
12.2.21Paraotwayite
Ni(OH)
 
2-x
(SO
 
4
,CO
 
3
)
 
0.5x
12.2.22Carrboydite
(Ni,Cu)
 
14
Al
 
9
(SO
 
4
,CO
 
3
)
 
6
(OH)
 
43
 · 7H
 
2
O
12.2.23Mountkeithite
(Mg,Ni)
 
11
(Fe
3+
 
,Cr
3+
 
,Al)
 
3
(SO
 
4
,CO
 
3
)
 
3.5
(OH)
 
24
 · 11H
 
2
O
12.2.24Camerolaite
Cu
 
4
Al
 
2
(HSbO
 
4
,SO
 
4
)(CO
 
3
)(OH)
 
10
 · 2H
 
2
O

Other Names for Nakauriite

Synonyms:
IMA1976-016
Other Languages:
German:Nakauriit
Spanish:Nakauriita

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 Nakauriite

Reference List:

- +
American Mineralogist (1977): 594.

American Mineralogist (1982): 67: 167.

Postl, W. & Moser, B. (1988): Mineralogische Notizen aus der Steiermark. Mitt. Abt. Miner. Landesmuseum Joanneum, 56, 5-47. [nakauriite from Lobminggraben]

Internet Links for Nakauriite

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

    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.
    Austria
     
    • Styria
      • Leoben
        • Kraubath
    		Postl, W. & Moser, B. (1988): Mineralogische Notizen aus der Steiermark. Mitt. Abt. Miner. Landesmuseum Joanneum, 56, 5-47.; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
          • St Stefan
    		Postl, W. & Moser, B. (1988): Mineralogische Notizen aus der Steiermark. Mitt. Abt. Miner. Landesmuseum Joanneum, 56, 5-47.; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Italy
     
    • Liguria
      • Genova Province
        • Genova
          • Borzoli
    		Palenzona, A., & Martinelli, A. (2007). La nakauriite del Monte Ramazzo, Genova. Rivista Mineralogica Italiana, 31 (1), 48-51.
    • Lombardy
      • Sondrio Province
        • Malenco Valley
          • Ciappanico
    		AA. VV., 1996. Collezionare minerali. Hobby & Work
    Japan
     
    • Honshu Island
      • Chubu Region
        • Aichi prefecture
          • Shinshiro city
    		Journ.Jap.Assoc.Min.Petr.Econ.Geol.(1976) 71, 183-192
      • Kanto Region
        • Saitama Prefecture
          • Kodama-gun
    		Kosuge, Y. et al (1997) 10, #1, 6-9.
    UK
     
    • Scotland
      • Shetland Islands
        • Unst
          • Baltasound-Haroldswick area
    		Braithwaite, R.S.W. & Pritchard, R. (1983): Nakauriite from Unst, Shetland. Mineralogical Magazine, 47, 84–85; BMS Database
    USA
     
    • Nevada
      • Nye Co.
        • Gabbs District
    		American Mineralogist, Volume 67, pages 156-169, 1982
    NBMG Spec. Pub. 31 Minerals of Nevada
    • Pennsylvania
      • Lancaster Co.
        • Fulton Township
    Personally Collected 4/12/2008, Mark J. Sigouin, Pennsylvania Licenced Professional Geologist
    Mineral and/or Locality
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