Vavrinite Mineral Data

General Vavrinite Information

Chemical Formula:

Ni2SbTe2

Composition:

Molecular Weight = 491.04 gm

Iron 1.25 % Fe

Nickel 23.07 % Ni

Bismuth 0.43 % Bi

Antimony 23.80 % Sb

Tellurium 50.15 % Te

Palladium 1.30 % Pd

______

100.00 %

Empirical Formula:

Ni_1.93Fe²⁺_0.11Pd_0.06Sb_0.96Bi_0.01Te_1.93

Environment:

The tellurides occur as anhedral inclusions enclosed by pyrrhotite. Nickeline group.

IMA Status:

Approved IMA 2005 (Dana # Added)

Locality:

Dump of the abandoned Kunratice near Sluknov, Northern Bohemia, Czech Republic. Link to MinDat.org Location Data.

Name Origin:

Named for Ivan Vavrï¿½n in recognition of his investigations of tellurium minerals and significant contributions to research on Cu-Ni sulfide deposits.

Synonym:

IMA2005-045

vavrzhinite

Vavrinite Image

Images:

Vavrinite

Comments: BSE image of a polished section of vavrÃnite and associated minerals. Symbols: va: vavrÃnite, pn: pentlandite, vi: violarite. (CanMin, v45:1213).
Location: Kunratice near Sluknov, Northern Bohemia, Czech Republic. Scale: See Image.
© Canadian Mineralogist

Vavrinite Crystallography

Axial Ratios:

a:c = 1:4.01176

Cell Dimensions:

a = 3.909, c = 15.682, Z = 2; V = 207.52 Den(Calc)= 7.86

Crystal System:

Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 6₃/mmc

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 1.9556(1), 2.8421(0.81), 1.6114(0.23),1.2437(0.2), 2.0704(0.16), 1.129(0.14), 3.3848(0.13), 1.4218(0.07),

Physical Properties of Vavrinite

Cleavage:

{0001} Perfect

Color:

Silvery gray.

Density:

7.79

Diaphaneity:

Opaque

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Inclusions - Generally found as inclusions in other minerals.

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

2 - Gypsum

Luster:

Metallic

Streak:

dark gray

Optical Properties of Vavrinite

RL Anisotrophism:

Appearant without internal reflections.

RL Bireflectance:

Weakly.

RL Color:

Creamy whte.

RL Pleochroism:

Weak from pale light brown to pale brown.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Vavrinite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	46.60	48.50
420 nm	48.00	50.40
440 nm	47.50	51.20
460 nm	47.40	52.00
470 nm	47.50	52.50
480 nm	47.70	52.90
500 nm	48.00	53.90
520 nm	48.70	54.90
540 nm	49.40	55.80
546 nm	49.70	56.10
560 nm	50.50	56.90
580 nm	51.40	58.00
589 nm	51.70	59.30
600 nm	52.10	58.90
620 nm	52.90	59.70
640 nm	53.90	60.40
650 nm	53.30	60.60
660 nm	54.10	60.80
680 nm	54.60	61.20
700 nm	55.00	61.40

**Calculated Relative Intensity Colors of Vavrinite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	160%	180%	190%
R₁
R₂

Calculated Properties of Vavrinite

Electron Density:

Bulk Density (Electron Density)=6.72 gm/cc
note: Specific Gravity of Vavrinite =7.86 gm/cc.

Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Photoelectric:

PE_Vavrinite= 283.95 barns/electron
U=PE_Vavrinite x rElectron Density=1,907.24 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vavrinite is Not Radioactive

Vavrinite Classification

Dana Class:

02.08.11.13 (02)Sulfides - Including Selenides and Tellurides

(02.08)where Am Bn Xp, with (m+n):p=1:1

(02.08.11)Nickeline Group (Hexagonal: P63/mmc)

02.08.11.01 Nickeline NiAs P 6₃/mmc 6/m 2/m 2/m

02.08.11.02 Breithauptite NiSb P 6₃/mmc 6/m 2/m 2/m

02.08.11.03 Sederholmite NiSe P 6₃/mmc 6/m 2/m 2/m

02.08.11.04 Hexatestibiopanickelite (Ni,Pd)(Te,Sb) P 6₃/mmc 6/m 2/m 2/m

02.08.11.05 Sudburyite (Pd,Ni)Sb P 6₃/mmc 6/m 2/m 2/m

02.08.11.06 Kotulskite Pd(Te,Bi) P 6₃/mmc 6/m 2/m 2/m

02.08.11.07 Sobolevskite PdBi P 6₃/mmc 6/m 2/m 2/m

02.08.11.08 Stumpflite Pt(Sb,Bi) P 6₃/mmc 6/m 2/m 2/m

02.08.11.09 Langisite (Co,Ni)As P 6₃/mmc 6/m 2/m 2/m

02.08.11.10 Freboldite CoSe P 6₃/mmc 6/m 2/m 2/m

02.08.11.11 Achavalite! FeSe P 6₃/mmc 6/m 2/m 2/m

02.08.11.12 Sorosite! Cu(Sn,Sb) P 6₃/mmc 6/m 2/m 2/m

02.08.11.13 Vavrinite! Ni2SbTe2 P 6₃/mmc 6/m 2/m 2/m

Strunz Class:

02.CC.30 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.C - Metal Sulfides, M:S = 1:1 (and similar)

02.CC -With Ni, Fe, Co, PGE, etc.

02.CC.30 Vavrinite! Ni2SbTe2 P 6₃/mmc 6/m 2/m 2/m

Other Vavrinite Information

References:

NAME( CanMin, v45:1213) PHYS. PROP.(CanMin, v45:1213) OPTIC PROP.(CanMin, v45:1213)

See Also:

Links to other databases for Vavrinite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Vavrinite Specimen Label here :

Vavrinite

Ni2SbTe2
Dana No: 02.08.11.13 Strunz No: 02.CC.30
Locality:

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