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Mroseite

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T.E.I. pit, Tombstone District, Cochise Co., Arizona, USA
© Brent Thorne 2007

Show Mroseite Photos (2)
Formula:
CaTeO
 
2
CO
 
3
System:OrthorhombicColour:Colorless to white
Hardness:4
Name:For Mary Emma Mrose (1910-2003) USGS mineralogist.
This page provides mineralogical data about Mroseite.

Classification of Mroseite

IMA status:Approved
Strunz 8th edition ID:4/K.13-20
Nickel-Strunz 10th (pending) edition ID:4.JL.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
L : Tellurites with additional anions, without H2O
Dana 8th edition ID:34.8.4.1

34 : SELENITES, TELLURITES AND SULFITES
8 : Compound Selenites, Tellurites and Sulfites
Hey's CIM Ref.:28.3.6

28 : Selenites, Selenates, Tellurites, and Tellurates
3 : Tellurites
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Type Occurrence of Mroseite

Type Locality:Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Place of Conservation of Type Material:Royal Ontario Museum, Ottawa, Canada M33757
Year of Discovery:1975
Geological Setting of type material:Hydrothermal Au-Te deposit

Physical Properties of Mroseite

Lustre:Adamantine
Diaphaneity (Transparency):Translucent
Colour:Colorless to white
Streak:White
Hardness (Mohs):4
Density (measured):4.35 g/cm3
Density (calculated):4.171 g/cm3

Crystallography of Mroseite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Pbca (P21/b 21/c 21/a)
Cell Parameters:a = 6.988(15) Å, b = 11.201(10) Å, c = 10.566(10) Å
Ratio:a:b:c = 0.624 : 1 : 0.943
Unit Cell Volume:V 827.03 ų (Calculated from Unit Cell)
Z:8
Morphology:elongated, small, commonly radiating structures, massive.

Optical Data of Mroseite

Type:Biaxial (-)
RI values: nα = 1.790 nβ = 1.850 nγ = 1.890
2V:Measured: 74° , Calculated: 76°
Maximum Birefringence:δ = 0.100

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r << v perceptible

Chemical Properties of Mroseite

Formula:
CaTeO
 
2
CO
 
3
Essential elements:C, Ca, O, Te
All elements listed in formula:C, Ca, O, Te
Empirical Formula:
CaTe
4+
 
O
 
2
CO
 
3

Relationship of Mroseite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.JL.05Rodalquilarite
H
 
3
Fe
 
2
(TeO
 
3
)
 
4
Cl
4.JL.10Mackayite
Fe
3+
 
[OH|Te
4+
2
O
 
5
]
4.JL.20Pingguite
Bi
 
6
Te
 
2
O
 
13
4.JL.25Tlapallite
H
 
6
(Ca,Pb)
 
2
(Cu,Zn)
 
3
SO
 
4
(TeO
 
3
)
 
4
TeO
 
6
4.JL.30Girdite
Pb
 
3
H
 
2
[Te
4+
 
O
 
3
|Te
6+
 
O
 
6
]
Related Minerals - Hey's Index Grouping:

- +
28.3.1Balyakinite
CuTeO
 
3
28.3.2Rajite
Cu[Te
4+
2
O
 
5
]
28.3.3Graemite
Cu[TeO
 
3
] · H
 
2
O
28.3.4Teineite
Cu[TeO
 
3
] · 2H
 
2
O
28.3.5Cesbronite
Cu
 
5
[(OH)
 
3
|TeO
 
3
]
 
2
 · 2H
 
2
O
28.3.7Quetzalcoatlite
Zn
 
6
Cu
 
3
(TeO
 
6
)
 
2
(OH)
 
6
·Ag
 
x
Pb
 
y
Cl
 
x+2y
28.3.8Zemannite
(H,Na)
 
2
(Zn,Fe)
 
2
(TeO
 
3
)
 
3
·nH
 
2
O
28.3.9Kinichilite
(Fe,Mg,Zn)
 
2
(TeO
 
3
)
 
3
(Na
 
x
H
 
2-x
)·3H
 
2
O
28.3.10Denningite
(Mn
2+
 
,Ca,Zn)[Te
4+
2
O
 
5
]
28.3.11Spiroffite
(Mn,Zn)
 
2
Te
 
3
O
 
8
28.3.12Winstanleyite
TiTe
 
3
O
 
8
28.3.13Fairbankite
PbTeO
 
3
28.3.14Plumbotellurite
PbTeO
 
3
28.3.15Choloalite
PbCu[TeO
 
3
]
 
2
 · H
 
2
O
28.3.16Smirnite
(BiO)
 
2
[TeO
 
3
]
28.3.17Chekhovichite
Bi
 
2
Te
 
4
O
 
11
28.3.18Cliffordite
UTe
 
3
O
 
9
28.3.19Schmitterite
(UO
 
2
)[TeO
 
3
]
28.3.20Moctezumite
PbUO
 
2
(TeO
 
3
)
 
2
28.3.21Emmonsite
Fe
3+
2
[TeO
 
3
]
 
3
 · 2H
 
2
O
28.3.22Blakeite
Fe
3+
2
[TeO
 
3
]
 
3
 (?)
28.3.23Mackayite
Fe
3+
 
[OH|Te
4+
2
O
 
5
]
28.3.24Poughite
Fe
3+
2
[SO
 
4
|(TeO
 
3
)
 
2
] · 3H
 
2
O
28.3.25Sonoraite
Fe
3+
 
[OH|TeO
 
3
] · H
 
2
O
28.3.26Rodalquilarite
H
 
3
Fe
 
2
(TeO
 
3
)
 
4
Cl
28.3.27Eztlite
Pb
 
2
Fe
3+
6
[(OH)
 
10
|(Te
4+
 
O
 
3
)
 
3
|Te
6+
 
O
 
6
] · 8H
 
2
O
28.3.28Keystoneite
(Ni,Mg,Fe,Mn)
 
3
Te
 
3
O
 
9
·5H
 
2
O

Other Names for Mroseite

Synonyms:
IMA1974-032
Other Languages:
German:Mroseit
Russian:Мрозит
Spanish:Mroseita

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 Mroseite

Reference List:Canadian Mineralogist (1975): 13: 286-288, 383-387.

American Mineralogist (1975): 60: 946.

American Mineralogist (1976): 61: 339.

Articles/Blogs about Mroseite

Internet Links for Mroseite

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    Localities for Mroseite

    Hide Locality List
    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.
    Mexico
     
    • Sonora
      • Mun. de Moctezuma
        • Moctezuma
    		Geol.Soc.Amer.Abstr.Progr.(1975) 7, no. 6, 814-815
    Panczner (1987): 280.
    USA
     
    • Arizona
      • Cochise Co.
        • Tombstone District
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 307.
    Mineral and/or Locality
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