Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Xocolatlite

Big Photo

Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
© G. Armellino

Show Xocolatlite Photos (3)
Formula:
Ca
 
2
Mn
4+
2
Te
6+
2
O
 
12
·H
 
2
O
System:MonoclinicColour:chocolate-brown (RAL ...
Hardness:2 - 3
Name:Derived from the Nahuatl word 'xocolatl' or 'xocoatl', meaning 'bitter water', and is the root for 'chocolate', in reference to the mineral's chocolate-brown color, and the Mexican type-locality.


Probably related to kuranakhite.

Classification of Xocolatlite

IMA status:Approved 2007
Nickel-Strunz 10th (pending) edition ID:7.DF.85

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
F : With large and medium-sized cations
mindat.org URL:http://www.mindat.org/min-38843.html
Please feel free to link to this page.

Type Occurrence of Xocolatlite

Type Locality:Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
General Appearance of Type Material:brown crystalline crusts
Year of Discovery:2002
Geological Setting of type material:epithermal quartz-tellurium-gold vein system
Associated Minerals at type locality:
SchmitteriteQuartzJarositeEztliteEmmonsite
Baryte

Physical Properties of Xocolatlite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:chocolate-brown (RAL 8017)
Streak:copper-brown (RAL 8004)
Hardness (Mohs):2 - 3
Hardness Data:Measured
Tenacity:Brittle
Cleavage:Perfect
mica-like
Fracture:Conchoidal
Density (calculated):4.70 g/cm3

Crystallography of Xocolatlite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P2/m {P1 1 2/m} {P2/m} {P1 2/m 1}
Cell Parameters:a = 10.757(3) Å, b = 4.928(3) Å, c = 8.492(2) Å
β = 102.39(3)°
Ratio:a:b:c = 2.183 : 1 : 1.723
Unit Cell Volume:V 463 ų
Z:2
X-Ray Powder Diffraction:
d-spacingIntensity
3.267 (100)
2.52 (71)
4.361 (51)
1.762 (39)
4.924 (34)
2.244 (32)
1.455 (24)
1.996 (21)
1.565 (20)

Chemical Properties of Xocolatlite

Formula:
Ca
 
2
Mn
4+
2
Te
6+
2
O
 
12
·H
 
2
O
All elements listed in formula:Ca, H, Mn, O, Te

Relationship of Xocolatlite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DF.05Uklonskovite
NaMg[F|SO
 
4
] · 2H
 
2
O
7.DF.10Kainite
KMg[Cl|SO
 
4
] · 3H
 
2
O
7.DF.15Natrochalcite
NaCu
 
2
[OH|(SO
 
4
)
 
2
] · 2H
 
2
O
7.DF.20Metasideronatrite
Na
 
4
Fe
 
2
(SO
 
4
)
 
4
(OH)
 
2
·2H
 
2
O
7.DF.20Sideronatrite
Na
 
2
Fe(SO
 
4
)
 
2
OH·3H
 
2
O
7.DF.25Despujolsite
Ca
 
3
Mn
4+
 
[(OH)
 
6
|(SO
 
4
)
 
2
] · 3H
 
2
O
7.DF.25Fleischerite
Pb
 
3
Ge[(OH)
 
6
|(SO
 
4
)
 
2
] · 3H
 
2
O
7.DF.25Schaurteite
Ca
 
3
Ge[(OH)
 
6
|(SO
 
4
)
 
2
] · 4H
 
2
O
7.DF.25Mallestigite
Pb
 
3
Sb
5+
 
[(OH)
 
6
|AsO
 
4
|SO
 
4
] · 3H
 
2
O
7.DF.30Slavíkite
(H
 
3
O
+
 
)
 
3
Mg
 
6
Fe
 
15
(SO
 
4
)
 
21
(OH)
 
18
·99H
 
2
O
7.DF.35Metavoltine
Na
 
6
K
 
2
FeFe
 
6
(SO
 
4
)
 
12
O
 
2
·18H
 
2
O
7.DF.40Lannonite
HCa
 
4
Mg
 
2
Al
 
4
(SO
 
4
)
 
8
F
 
9
·32H
 
2
O
7.DF.40Vlodavetsite
AlCa
 
2
[F
 
2
|Cl|(SO
 
4
)
 
2
] · 4H
 
2
O
7.DF.45Peretaite
Ca(SbO)
 
4
[(OH)|SO
 
4
]
 
2
 · 2H
 
2
O
7.DF.50Gordaite
NaZn
 
4
[(OH)
 
6
|SO
 
4
|Cl] · 6H
 
2
O
7.DF.55Clairite
(NH
 
4
)
 
2
Fe
 
3
(SO
 
4
)
 
4
(OH)
 
3
·3H
 
2
O
7.DF.60Arzrunite
near Cu
 
4
Pb
 
2
SO
 
4
Cl
 
6
(OH)
 
4
·2H
 
2
O
7.DF.65Elyite
Pb
 
4
Cu(SO
 
4
)O
 
2
(OH)
 
4
·H
 
2
O
7.DF.70Yecoraite
Fe
3+
3
(BiO)
 
5
(Te
4+
 
O
 
3
)(Te
6+
 
O
 
6
)
 
2
 · 9H
 
2
O
7.DF.75Riomarinaite
Bi(OH)(SO
 
4
) * H
 
2
O
7.DF.80Dukeite
Bi
 
24
Cr
6+
8
O
 
57
(OH)
 
6
(H
 
2
O)
 
3

Other Names for Xocolatlite

Synonyms:
IMA2007-020
Other Languages:

Other Information

Fluorescence in UV light:none observed
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 Xocolatlite

Reference List:Grundler, P. V. , et al. (2008). Xocolatlite, a new tellurate related to kuranakhite: Description and measurement of Te oxidation state by XANES spectroscopy. American Mineralogist 93,1911-1920(2008)

Internet Links for Xocolatlite

Search Engines:
  • Look for Xocolatlite on Google
  • Look for Xocolatlite images on Google
    • External Links:
  • Look for Xocolatlite on Webmineral
  • Look for Xocolatlite on Athena Mineralogy
  • Look for Xocolatlite on Wikipedia
  • Look for Xocolatlite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Xocolatlite in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Fine Minerals from Dan Weinrich Minerals
  • SpiriferMinerals.com - high quality specimens
  • High-end worldwide specimens & outstanding customer service
  • Buy minerals from Mineralium.com
  • rare and unusual minerals mainly crystallized
  • Fabre Minerals - search for Xocolatlite specimens
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Buy from David K Joyce minerals
  • The Arkenstone - Fine Minerals
  • Search for - Xocolatlite - on e-Rocks Mineral Sales & Auctions
  • Buy Minerals and Crystals from Crystalarium.com
  • Buy fine minerals and gemstones from Pala International
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Xocolatlite

    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.
    (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
    		American Mineralogist 93,1911(2008)
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    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: 3rd Nov 2009 03:41:19