[Mineral Forums] [Minerals for Sale] [About Us] [En Espanol] [Mineral Gallery] Fabre Minerals - Europe's first Internet mineral dealer, on the web since 1996 General Xocomecatlite InformationCu3Te++++++O4(OH)4 |
Molecular Weight = 450.26 gm |
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Copper 42.34 % Cu 53.00 % CuO |
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Tellurium 28.34 % Te 35.45 % TeO2 |
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Hydrogen 0.90 % H 8.00 % H2O |
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Oxygen 28.43 % O |
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______ ______ |
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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 + Pronunciation |
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Xocomecatlite Crystallographya: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 XocomecatliteGreen, 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 XocomecatliteCI 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 Ncalc = 1.84 - 1.88 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 XocomecatliteBulk Density (Electron Density)=4.28 gm/cc |
note: Specific Gravity of Xocomecatlite =4.65 gm/cc. Fermion Index = 0.02 |
Boson Index = 0.98 PEXocomecatlite = 114.00 barns/electron |
U=PEXocomecatlite x rElectron Density= 487.39 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Xocomecatlite is Not Radioactive | Xocomecatlite Classification33.01.02.01 (33)Selenates and Tellurates |
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(33.01)as A+ (B++)m XO4 Zq |
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(33.01.02)Dana Group |
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07.BB.50 07 - SULFATES (SELENATES, TELLURATES) |
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07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O |
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07.BB -With medium-sized cations |
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| Other Xocomecatlite InformationNAME( 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 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Xocomecatlite using: Visit our Advertisers for Xocomecatlite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Xocomecatlite Mineral Data : Ask about Xocomecatlite here : Print or Cut-and-Paste your Xocomecatlite Specimen Label here :
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