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Xocomecatlite

Big Photo

Bambollita Mine (Oriental Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
© O. Dziallas

Show Xocomecatlite Photos (6)
Formula:
Cu
 
3
[(OH)
 
4
|TeO
 
4
]
System:OrthorhombicColour:emerald-green
Hardness:4
Name:From Nahua "xocomecatl", grapes, alluding to its occurrence in clusters of green spherules.
This page provides mineralogical data about Xocomecatlite.

Classification of Xocomecatlite

IMA status:Approved 1974
Strunz 8th edition ID:4/K.15-12
Nickel-Strunz 10th (pending) edition ID:7.BB.50

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
B : With medium-sized cations
Dana 7th edition ID:33.1.2.1
Dana 8th edition ID:33.1.2.1

33 : SELENATES AND TELLURATES
1 : (AB)m(XO4)pZq
Hey's CIM Ref.:28.4.1

28 : Selenites, Selenates, Tellurites, and Tellurates
4 : Tellurates
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Type Occurrence of Xocomecatlite

Type Locality:Bambollita Mine (Oriental Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Year of Discovery:1975

Physical Properties of Xocomecatlite

Colour:emerald-green
Streak:Light green
Hardness (Mohs):4

Crystallography of Xocomecatlite

Crystal System:Orthorhombic
Cell Parameters:a = 12.14Å, b = 14.31Å, c = 11.66Å
Ratio:a:b:c = 0.848 : 1 : 0.815
Unit Cell Volume:V 2,025.61 ų (Calculated from Unit Cell)

Optical Data of Xocomecatlite

Type:Biaxial (-)
RI values: nα = 1.775 nβ = 1.900 nγ = 1.920
2V:Measured: 41° , Calculated: 40°
Maximum Birefringence:δ = 0.145

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

Chemical Properties of Xocomecatlite

Formula:
Cu
 
3
[(OH)
 
4
|TeO
 
4
]
Essential elements:Cu, H, O, Te
All elements listed in formula:Cu, H, O, Te

Relationship of Xocomecatlite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.BB.05Caminite
Mg
 
7
[(OH)
 
4
|(SO
 
4
)
 
5
] · H
 
2
O
7.BB.10Hauckite
Fe
3+
3
(Mg,Mn
2+
 
)
 
24
Zn
 
18
[(OH)
 
81
|(CO
 
3
)
 
2
|(SO
 
4
)
 
4
]
7.BB.15Antlerite
Cu
 
3
[(OH)
 
4
|SO
 
4
]
7.BB.20Dolerophanite
Cu
 
2
[O|SO
 
4
]
7.BB.25Brochantite
Cu
 
4
[(OH)
 
6
|SO
 
4
]
7.BB.30Vergasovaite
Cu
 
3
[O|SO
 
4
|(MoO
 
4
,SO
 
4
)]
7.BB.35Klebelsbergite
Sb
 
4
[O
 
4
|(OH)
 
2
|SO
 
4
]
7.BB.40Schuetteite
Hg
2+
3
[O
 
2
|SO
 
4
]
7.BB.45Paraotwayite
Ni(OH)
 
2-x
(SO
 
4
,CO
 
3
)
 
0.5x
7.BB.55Pauflerite
(V
4+
 
O)[SO
 
4
]
7.BB.60Grandviewite
Cu
 
3
Al
 
9
[(OH)
 
29
|(SO
 
4
)
 
2
]
Related Minerals - Hey's Index Grouping:

- +
28.4.2Carlfriesite
CaTe
 
3
O
 
8
28.4.3Yafsoanite
Ca
 
3
Zn
 
3
[TeO
 
6
]
 
2
28.4.4Tlalocite
Cu
 
10
Zn
 
6
(TeO
 
3
)(TeO
 
4
)
 
2
Cl(OH)
 
25
·27H
 
2
O
28.4.5Oboyerite
Pb
 
6
H
 
6
[(Te
4+
 
O
 
3
)
 
3
|(Te
6+
 
O
 
6
)
 
2
] · 2H
 
2
O
28.4.6Schieffelinite
Pb
 
8
(TeO
 
4
)
 
5
(SO
 
4
)
 
3
·8H
 
2
O
28.4.7Girdite
Pb
 
3
H
 
2
[Te
4+
 
O
 
3
|Te
6+
 
O
 
6
]
28.4.8Khinite
Pb
2+
 
Cu
2+
3
(TeO
 
6
)(OH)
 
2
28.4.9Parakhinite
Pb
2+
 
Cu
2+
3
TeO
 
6
(OH)
 
2
28.4.10Dugganite
Pb
 
3
Zn
 
3
(Te
6+
 
O
 
6
)(AsO
 
4
)
 
2
28.4.11Kuksite
Pb
 
3
Zn
 
3
TeO
 
6
(PO
 
4
)
 
2
28.4.12Cheremnykhite
Pb
 
3
Zn
 
3
TeO
 
6
(VO
 
4
)
 
2
28.4.13Tlapallite
H
 
6
(Ca,Pb)
 
2
(Cu,Zn)
 
3
SO
 
4
(TeO
 
3
)
 
4
TeO
 
6
28.4.14Montanite
Bi
 
2
[TeO
 
6
] · 2H
 
2
O
28.4.15Kuranakhite
PbMn
4+
 
Te
6+
 
O
 
6
28.4.16Cuzticite
Fe
3+
2
[TeO
 
6
] · 3H
 
2
O
28.4.17Yecoraite
Fe
3+
3
(BiO)
 
5
(Te
4+
 
O
 
3
)(Te
6+
 
O
 
6
)
 
2
 · 9H
 
2
O

Other Names for Xocomecatlite

Synonyms:
IMA1974-048
Other Languages:
German:Xocomecatlit
Spanish:Xocomecatlita

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 Xocomecatlite

Reference List:Mineralogical Magazine (1975): 40: 221-226.

American Mineralogist (1976): 61: 504.

Internet Links for Xocomecatlite

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    Localities for Xocomecatlite

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