Cuzticite Mineral Data (original) (raw)
General Cuzticite Information
Chemical Formula:
Fe+++2Te++++++O6•3(H2O)
Composition:
Molecular Weight = 389.34 gm
Iron 28.69 % Fe 41.02 % Fe2O3
Tellurium 32.77 % Te 40.99 % TeO2
Hydrogen 1.55 % H 13.88 % H2O
Oxygen 36.98 % O
______ ______
100.00 % 95.89 % = TOTAL OXIDE
Empirical Formula:
Fe3+2TeO6•3(H2O)
IMA Status:
Approved IMA 1982
Locality:
Moctezuma mine, Moctezuma, Sonora, Mexico. Link to MinDat.org Location Data.
Name Origin:
Named from the Nahuatl for "something yellow", in allusion to its color.
Cuzticite Image
Images:
Cuzticite Crystallography
Axial Ratios:
a:c = 1:2.8999
Cell Dimensions:
a = 5.045, c = 14.63, Z = 2; V = 322.48 Den(Calc)= 4.01
Crystal System:
HexagonalSpace Group: Unk
X Ray Diffraction:
By Intensity(I/Io): 3.256(1), 2.518(0.7), 4.871(0.4),
Physical Properties of Cuzticite
Cleavage:
{???} Good
Color:
Brown, Brownish yellow, Yellow.
Density:
3.9
Habit:
Encrustations - Forms crust-like aggregates on matrix.
Habit:
Scaly - Morphology like fish scales.
Habit:
Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite).
Hardness:
3 - Calcite
Luster:
Adamantine
Optical Properties of Cuzticite
Dichroism (e):
none.
Dichroism (w):
none.
Gladstone-Dale:
CI meas= -0.045 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.017 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2631,KPDmeas= 0.2705,KC= 0.2588
Ncalc = 2.01 - 2.04
Optical Data:
Uniaxial (-), e=2.05, w=2.06, bire=0.0100.
Calculated Properties of Cuzticite
Electron Density:
Bulk Density (Electron Density)=3.75 gm/cc
note: Specific Gravity of Cuzticite =4.01 gm/cc.
Fermion Index:
Fermion Index = 0.03
Boson Index = 0.97
Photoelectric:
PECuzticite = 116.56 barns/electron
U=PECuzticite x rElectron Density= 437.00 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cuzticite is Not Radioactive
Cuzticite Classification
Dana Class:
33.02.03.01 (33)Selenates and Tellurates
(33.02)as A+ (B++)m XO6 Zq � x(H2O) where x can equal 0
(33.02.03)Dana Group
33.02.03.01 Cuzticite Fe2TeO6•3(H2O) Unk Hex
Strunz Class:
04.FM.35 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
04.F - Hydroxides (without V or U)
04.FM -Hydroxides with H2O � (OH); Unclassified
04.FM.35 Cuzticite Fe2TeO6•3(H2O) Unk Hex
Other Cuzticite Information
References:
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
See Also:
Links to other databases for Cuzticite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
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Cuzticite
Fe+++2Te++++++O6•3(H2O)
Dana No: 33.02.03.01 Strunz No: 04.FM.35
Locality:
Notes: