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Jacquesdietrichite

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Tachgagalt Mine (Tachguagalt Mine), Tachgagalt (Tachguagalt), Ouarzazate Province, Souss-Massa-Draâ Region, Morocco

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Formula:
Cu
 
2
BO(OH)
 
2
(OH)
 
3
System:OrthorhombicColour:bright blue
Hardness:2
Name:Named for Jacques Emile Dietrich, Ph.D., of Nice, France (1928- ), who discovered the mineral
This page provides mineralogical data about Jacquesdietrichite.

Classification of Jacquesdietrichite

IMA status:Approved 2003
Nickel-Strunz 10th (pending) edition ID:6.AB.80

6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
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Type Occurrence of Jacquesdietrichite

Type Locality:Tachgagalt Mine (Tachguagalt Mine), Tachgagalt (Tachguagalt), Ouarzazate Province, Souss-Massa-Draâ Region, Morocco
General Appearance of Type Material:transparent bright-blue blades, sometimes intergrown into broader blades, and as aggregates of pale-blue scales

Physical Properties of Jacquesdietrichite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:bright blue
Streak:pale blue
Hardness (Mohs):2
Hardness Data:Measured
Cleavage:Perfect
perfect and very easy {100}, and good {010}and {001}
Density (measured):3.28 g/cm3
Density (calculated):3.303 g/cm3

Crystallography of Jacquesdietrichite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Pmna {P2/m 2/n 21/a}
Cell Parameters:a = 9.455Å, b = 5.866Å, c = 8.668Å
Ratio:a:b:c = 1.612 : 1 : 1.478
Unit Cell Volume:V 480.75 ų (Calculated from Unit Cell)
Z:4
X-Ray Powder Diffraction:
d-spacingIntensity
4.734 (100)
3.941 (90)
3.192 (40)
2.545 (45)
2.489 (50)
1.922 (50)
1.838 (40)

Optical Data of Jacquesdietrichite

Type:Biaxial (-)
RI values: nα = 1.627 nβ = 1.699 nγ = 1.769
2V:Calculated: 86°
Maximum Birefringence:δ = 0.142

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Comments:X (deep blue) > Y (medium blue) > Z (pale blue)
X = a
Y = c
Z = b

Chemical Properties of Jacquesdietrichite

Formula:
Cu
 
2
BO(OH)
 
2
(OH)
 
3
All elements listed in formula:B, Cu, H, O

Relationship of Jacquesdietrichite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
6.AB.05Hambergite
Be
 
2
[O|OH|BO
 
2
]
6.AB.10Berborite
Be
 
2
[(OH,F)|BO
 
3
] · H
 
2
O
6.AB.15Jeremejevite
Al
 
6
[(F,OH)
 
3
|(BO
 
3
)
 
5
]
6.AB.20Warwickite
(Mg,Fe
2+
 
)
 
3
Ti[O|BO
 
3
]
 
2
6.AB.20Yuanfuliite
Mg(Fe
3+
 
,Fe
2+
 
,Al,Ti,Mg)[O|BO
 
3
]
6.AB.25Karlite
Mg
 
7
[(OH,Cl)
 
5
|(BO
 
3
)
 
3
]
6.AB.30Azoproite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Ti,Mg)[O
 
2
|BO
 
3
]
6.AB.30Bonaccordite
Ni
 
2
Fe
3+
 
[O
 
2
|BO
 
3
]
6.AB.30Fredrikssonite
Mg
 
2
(Mn
3+
 
,Fe
3+
 
)[O
 
2
|BO
 
3
]
6.AB.30Ludwigite
Mg
 
2
Fe
3+
 
[O
 
2
|BO
 
3
]
6.AB.30Vonsenite
Fe
2+
2
Fe
3+
 
[O
 
2
|BO
 
3
]
6.AB.35Pinakiolite
(Mg,Mn
2+
 
)
 
2
Mn
3+
 
[O
 
2
|BO
 
3
]
6.AB.40Blatterite
(Mn
2+
 
,Mg)
 
2
(Mn
3+
 
,Sb
3+
 
,Fe
3+
 
)[O
 
2
|BO
 
3
]
6.AB.40Chestermanite
Mg
 
2
(Fe
3+
 
,Mn
3+
 
,Al,Sb
3+
 
)[O
 
2
|BO
 
3
]
6.AB.40Orthopinakiolite
(Mg,Mn
2+
 
)
 
2
Mn
3+
 
[O
 
2
|BO
 
3
]
6.AB.40Takéuchiite
(Mg,Mn
2+
 
)
 
2
(Mn
3+
 
,Fe
3+
 
)[O
 
2
|BO
 
3
]
6.AB.45Hulsite
(Fe
2+
 
,Mg)
 
2
(Fe
3+
 
,Sn)[O
 
2
|BO
 
3
]
6.AB.45Magnesiohulsite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Sn,Mg)[O
 
2
|BO
 
3
]
6.AB.45Aluminomagnesiohulsite
(Mg,Fe
2+
 
)
 
2
(Al,Mg,Sn)[O
 
2
|BO
 
3
]
6.AB.50Fluoborite
Mg
 
3
[(F,OH)
 
3
|BO
 
3
]
6.AB.50Hydroxylborite
Mg
 
3
(BO
 
3
)(OH)
 
3
6.AB.55Shabynite
Mg
 
5
[(Cl,OH)
 
2
|(OH)
 
5
|BO
 
3
] · 4H
 
2
O
6.AB.55Wightmanite
Mg
 
5
[O|(OH)
 
5
|BO
 
3
] · 2H
 
2
O
6.AB.60Gaudefroyite
Ca
 
4
Mn
3+
2-3
[(O,OH)
 
3
|CO
 
3
|(BO
 
3
)
 
3
]
6.AB.65Sakhaite
Ca
 
12
Mg
 
4
[Cl|(OH)
 
2
|(CO
 
3
)
 
4
|(BO
 
3
)
 
7
]
6.AB.70Harkerite
Ca
 
24
Mg
 
8
Al
 
2
Si
 
8
(O,OH)
 
32
(BO
 
3
)
 
8
(CO
 
3
)
 
8
(H
 
2
O,Cl)
6.AB.75Pertsevite
Mg
 
2
BO
 
3
(F,OH)
6.AB.75IMA2008-060
Mg
 
2
(BO
 
3
)(OH)
6.AB.85Painite
CaZrAl
 
9
[O
 
15
|BO
 
3
]

Other Names for Jacquesdietrichite

Synonyms:
IMA2003-012
Other Languages:
German:Jacquesdietrichit
Russian:Жакдитрихит

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 Jacquesdietrichite

Reference List:Kampf, A.R. & Favreau, G. (2004): Jacquesdietrichite, Cu2[BO(OH)2](OH)3, a new mineral from the Tachgagalt mine, Morocco: Description and crystal structure. European Journal of Mineralogy, 16, 361-366.


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    Localities for Jacquesdietrichite

    (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.
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tachgagalt (Tachguagalt)
    		Kampf, A.R. & Favreau, G. (2004): Jacquesdietrichite, Cu2[BO(OH)2](OH)3, a new mineral from the Tachgagalt mine, Morocco: Description and crystal structure. European Journal of Mineralogy, 16, 361-366.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 7th Nov 2009 11:50:13