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Minrecordite

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Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
© Elmar Lackner

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Formula:
CaZn(CO
 
3
)
 
2
System:TrigonalColour:White, colourless
Lustre:PearlyHardness:3½ - 4
This page provides mineralogical data about Minrecordite.

Classification of Minrecordite

IMA status:Approved
Strunz 8th edition ID:5/B.03-40
Nickel-Strunz 10th (pending) edition ID:5.AB.10

5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
B : Alkali-earth (and other M2+) carbonates
Dana 8th edition ID:14.2.1.4

14 : ANHYDROUS NORMAL CARBONATES
2 : AB(XO3)2
Hey's CIM Ref.:11.6.7

11 : Carbonates
6 : Carbonates of Zn and Cd
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Type Occurrence of Minrecordite

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Year of Discovery:1982

Physical Properties of Minrecordite

Lustre:Pearly
Colour:White, colourless
Hardness (Mohs):3½ - 4

Crystallography of Minrecordite

Crystal System:Trigonal
Cell Parameters:a = 4.81Å, c = 16.02Å
Ratio:a:c = 1 : 3.331
Unit Cell Volume:V 320.98 ų (Calculated from Unit Cell)

Optical Data of Minrecordite

Type:Uniaxial (-)
RI values: nω = 1.750 nε = 1.550
Maximum Birefringence:δ = 0.200

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

Chemical Properties of Minrecordite

Formula:
CaZn(CO
 
3
)
 
2
Essential elements:C, Ca, O, Zn
All elements listed in formula:C, Ca, O, Zn

Relationship of Minrecordite to other Species

Related Minerals - Nickel-Strunz Grouping):
5.AB.05Calcite
CaCO
 
3
5.AB.05Gaspéite
(Ni,Mg,Fe)CO
 
3
5.AB.05Magnesite
MgCO
 
3
5.AB.05Otavite
CdCO
 
3
5.AB.05Rhodochrosite
MnCO
 
3
5.AB.05Siderite
FeCO
 
3
5.AB.05Smithsonite
ZnCO
 
3
5.AB.05Spherocobaltite
CoCO
 
3
5.AB.10Ankerite
Ca(Fe
2+
 
 ,Mg,Mn
2+
 
)(CO
 
3
)
 
2
5.AB.10Dolomite
CaMg(CO
 
3
)
 
2
5.AB.10Kutnohorite
Ca(Mn,Mg,Fe)(CO
 
3
)
 
2
5.AB.15Aragonite
CaCO
 
3
5.AB.15Cerussite
PbCO
 
3
5.AB.15Strontianite
SrCO
 
3
5.AB.15Witherite
BaCO
 
3
5.AB.20Vaterite
CaCO
 
3
5.AB.25Huntite
CaMg
 
3
(CO
 
3
)
 
4
5.AB.30Norsethite
BaMg(CO
 
3
)
 
2
5.AB.35Alstonite
BaCa(CO
 
3
)
 
2
5.AB.40Olekminskite
Sr(Sr,Ba)(CO
 
3
)
 
2
5.AB.40Paralstonite
BaCa(CO
 
3
)
 
2
5.AB.45Barytocalcite
BaCa(CO
 
3
)
 
2
5.AB.50Carbocernaite
(Ca,Na)(Sr,Ce,Ba)(CO
 
3
)
 
2
5.AB.55Benstonite
(Ba,Sr)
 
6
(Ca,Mn)
 
6
Mg(CO
 
3
)
 
13
5.AB.60Juangodoyite
Na
 
2
Cu(CO
 
3
)
 
2
Related Minerals - Hey's Index Grouping:
11.6.1Smithsonite
ZnCO
 
3
11.6.2Hydrozincite
Zn
 
5
[(OH)
 
3
|CO
 
3
]
 
2
11.6.3Rosasite
(Cu,Zn)
 
2
[(OH)
 
2
|CO
 
3
]
11.6.4Zincrosasite
(Zn,Cu)
 
2
[(OH)
 
2
|CO
 
3
]
11.6.5Aurichalcite
(Zn,Cu)
 
5
[(OH)
 
3
|CO
 
3
]
 
2
11.6.6Claraite
(Cu,Zn)
 
3
[(OH)
 
4
|CO
 
3
] · 4H
 
2
O
11.6.8Loseyite
(Zn,Mn
2+
 
)
 
7
[(OH)
 
5
|CO
 
3
]
 
2
11.6.9Sclarite
(Zn,Mg,Mn
2+
 
)
 
4
Zn
 
3
[(OH)
 
5
|CO
 
3
]
 
2
11.6.10Otavite
CdCO
 
3

Other Names for Minrecordite

Synonyms:
IMA1980-096
German names:
Minrecordit
Russian names:
Минрекордит
Spanish names:
Minrecordita

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 Minrecordite

Reference List:Mineralogical Record (1982): 13: 131-136.

American Mineralogist (1983): 68: 281.

Internet Links for Minrecordite

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

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    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
    		Min.Rec.(1982) 13, 131-136
    Portugal
     
    • Beja District
      • Moura
        • Sobral da Adiça
    		Pimentel, R., Nunes, R. & De Ascenção, R.(2007): Les minéraux d'altération de plomb (Pb) et zinc (Zn) du massif de Preguiça, Moura, Portugal. Le Règne Minéral, 75, 19-26.
    USA
     
    • Utah
      • Juab Co.
        • East Tintic Mts
          • Tintic District
    		R&M 68:6 p406-416
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