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Spertiniite

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Jeffrey mine (Jeffrey quarry; Johns-Manville mine), Asbestos, Les Sources RCM, Estrie, Québec, Canada
© c Knut Eldjarn

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Formula:
Cu(OH)
 
2
System:OrthorhombicColour:Light blue, blue-green
Lustre:Vitreous
Name:Named after Francesco Spertini (b. 1937), chief geologist, Jeffrey mine, Richmond County, Québec, Canada, the discovery locality.
This page provides mineralogical data about Spertiniite.

Classification of Spertiniite

IMA status:Approved 1980
Strunz 8th edition ID:4/F.03-90
Nickel-Strunz 10th (pending) edition ID:4.FD.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
D : Hydroxides with OH, without H2O; chains of edge-sharing octahedra
Dana 8th edition ID:6.2.4.1

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
2 : X(OH)2
Hey's CIM Ref.:7.3.4

7 : Oxides and Hydroxides
3 : Oxides of Cu
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Type Occurrence of Spertiniite

Type Locality:Jeffrey mine (Jeffrey quarry; Johns-Manville mine), Asbestos, Les Sources RCM, Estrie, Québec, Canada
Year of Discovery:1981

Physical Properties of Spertiniite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Light blue, blue-green

Crystallography of Spertiniite

Crystal System:Orthorhombic
Cell Parameters:a = 2.95Å, b = 10.59Å, c = 5.27Å
Ratio:a:b:c = 0.279 : 1 : 0.498
Unit Cell Volume:V 164.64 ų (Calculated from Unit Cell)

Optical Data of Spertiniite

Type:Biaxial
RI values: nα = 1.720
Maximum Birefringence:δ = 1.720

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

Chemical Properties of Spertiniite

Formula:
Cu(OH)
 
2
Essential elements:Cu, H, O
All elements listed in formula:Cu, H, O
CAS Registry number:20427-59-2

CAS Registry numbers are published by the American Chemical Society

Relationship of Spertiniite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.FD.10Bracewellite
CrO(OH)
4.FD.10Diaspore
AlO(OH)
4.FD.10Goethite
α-Fe
3+
 
O(OH)
4.FD.10Groutite
Mn
3+
 
O(OH)
4.FD.10Guyanaite
CrO(OH)
4.FD.10Montroseite
(V,Fe)O(OH)
4.FD.10Tsumgallite
GaO(OH)
4.FD.15Manganite
Mn
3+
 
O(OH)
4.FD.20Yttrotungstite-(Y)
YW
 
2
O
 
6
(OH)
 
3
4.FD.20Yttrotungstite-(Ce)
(Ce,Nd,Y)W
 
2
O
 
6
(OH)
 
3
4.FD.20Unnamed (Nd-analogue of Yttrotungstite-(Ce) )
(Nd,Ce, La)W
 
2
O
 
6
(OH)
 
3
4.FD.25Frankhawthorneite
Cu
 
2
[(OH)
 
2
|TeO
 
4
]
4.FD.30Khinite
Pb
2+
 
Cu
2+
3
(TeO
 
6
)(OH)
 
2
4.FD.30Parakhinite
Pb
2+
 
Cu
2+
3
TeO
 
6
(OH)
 
2
Related Minerals - Hey's Index Grouping:

- +
7.3.1Cuprite
Cu
 
2
O
7.3.2Tenorite
CuO
7.3.3Paramelaconite
Cu
 
2
Cu
 
2
O
 
3
7.3.5Crednerite
CuMnO
 
2
7.3.6Delafossite
CuFeO
 
2
7.3.7Cuprospinel
Cu
2+
 
Fe
3+
2
O
 
4

Other Names for Spertiniite

Synonyms:
IMA1980-033
Other Languages:
German:Spertiniit
Russian:Спертиниит
Spanish:Spertiniita

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.
External LinksSearch for toxicity information at the United States National Library of Medicine

References for Spertiniite

Reference List:Canadian Mineralogist (1981): 19: 337-340.

American Mineralogist (1982): 67: 860.

American Mineralogist (1993): 78: 237-238.

Acta Crystallographica: C46: 2279-2284.

Internet Links for Spertiniite

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  • Raman and XRD data at RRUFF project
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    Localities for Spertiniite

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