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Xocomecatlite Mineral Data + |
General Xocomecatlite Information |
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| Cu3Te++++++O4(OH)4 | |||
| Molecular Weight = 450.26 gm | |||
| Copper 42.34 % Cu 53.00 % CuO | |||
| Tellurium 28.34 % Te 35.45 % TeO2 | |||
| Hydrogen 0.90 % H 8.00 % H2O | |||
| Oxygen 28.43 % O | |||
| ______ ______ | |||
| 100.00 % 96.45 % = TOTAL OXIDE | |||
| Cu3(TeO4)(OH)4 | |||
| In cracks in altered rhyolite. | |||
| Approved IMA 1975 | |||
| Bambollita mine, Moctezuma, Sonora, Mexico. Link to MinDat.org Location Data. | |||
| Named for the Nahuatl for "bunches of grapes", in allusion to the appearance of the green spherules of the mineral. | |||
Xocomecatlite Image | |||
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Xocomecatlite Crystallography |
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| a:b:c =0.8478:1:0.8144 | |||
| a = 12.14, b = 14.318, c = 11.662, Z = 12; V = 2,027.09 Den(Calc)= 4.43 | |||
| OrthorhombicSpace Group: Unk | |||
| By Intensity(I/Io): 4.627(1), 2.673(0.6), 3.439(0.4), | |||
Physical Properties of Xocomecatlite |
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| Green, Emerald green. | |||
| 4.65 | |||
| Tough - Difficult to break apart as shown by fibrous minerals and most metals. | |||
| Botryoidal - "Grape-like" rounded forms (e.g.. malachite). | |||
| Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) | |||
| Spherical - Spherical, rounded aggregates. | |||
| 4 - Fluorite | |||
| Non-fluorescent. | |||
| light green | |||
Optical Properties of Xocomecatlite |
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| CI meas= 0.013 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.036 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1953,KPDmeas= 0.186,KC= 0.1886 |
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| Biaxial (-), a=1.775, b=1.9, g=1.92, bire=0.1450, 2V(Calc)=40, 2V(Meas)=41. Dispersion low. | |||
| rich bluish green. | |||
Calculated Properties of Xocomecatlite |
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relectron=4.28 gm/cc |
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| Fermion Index = 0.02278 Boson Index = 0.97722 |
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PEXocomecatlite = 114.00 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Xocomecatlite is Not Radioactive |
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Xocomecatlite Classification |
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| 33.1.2.1 (33)Selenates and Tellurates | |||
| (33.1)as A+ (B++)m XO4 Zq | |||
| (33.1.2)Dana Group | |||
| IV/K.15-12 IV - Oxides | |||
| IV/K - Complex Tellurides with [TeO6]6-, [TeO3]2- and [TeO4]2- groups | |||
| IV/K.15 - Yafsoanite - Cuzticite series | |||
Other Xocomecatlite Information |
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| NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Xocomecatlite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Xocomecatlite using: Visit our Advertisers for Xocomecatlite : Translate Xocomecatlite Mineral Data : Ask about Xocomecatlite here : Print or Cut-and-Paste your Xocomecatlite Specimen Label here :
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