Naldretteite Mineral Data (original) (raw)

General Naldretteite Information

Help on Chemical Formula: Chemical Formula:

Pd2Sb

Help on Composition: Composition:

Molecular Weight = 333.37 gm

Iron 0.12 % Fe

Antimony 35.86 % Sb

Arsenic 0.31 % As

Palladium 63.69 % Pd

Sulfur 0.02 % S

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Pd1.99Fe2+0.007Sb0.98As0.01S0.002

Help on Environment: Environment:

In the contact zone that separates massive and disseminated sulfide mineralization.

Help on IMA Status: IMA Status:

Approved IMA 2004 (Dana # Added)

Help on Locality: Locality:

Discovered in drill core from the Mesamax Northwest deposit, Cape Smith fold belt, Ungava region, Canada. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Professor Anthony J. Naldrett (b. 1933), University of Toronto and past President of both the Mineralogical Association of Canada and the International Mineralogical Assoc iation.

Help on Synonym: Synonym:

IMA2004-007

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Naldretteite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.2224:1:0.3962

Help on Cell Dimensions: Cell Dimensions:

a = 3.906, b = 17.5551, c = 6.957, Z = 8; V = 477.04 Den(Calc)= 9.28

Help on Crystal System: Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: C mc21

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.2454(1)(132 ), 0.8584(0.56)(1,17,4 ), 2.0567(0.52)(043 ),0.8409(0.51)(118 ), 1.2122(0.5)(204 ), 1.2842(0.42)(115 ), 2.0009(0.4)(152 ), 1.3674(0.35)(193 ), 2.3029(0.35)(151 ),

Physical Properties of Naldretteite

Help on Cleavage: Cleavage:

None

Help on Color: Color:

Creamy white.

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Fracture: Fracture:

Malleable - Deforms rather than breaking apart with a hammer.

Help on Habit: Habit:

Anhedral Grains - Granular minerals without the expression of crystal shapes

Help on Hardness: Hardness:

4-5 - Fluorite-Apatite

Help on Luster: Luster:

Metallic

Optical Properties of Naldretteite

Help on RL Anisotrophism: RL Anisotrophism:

Distinct in shades of deep bright blue, lemon-buff, and mauve to pale pink.

Help on RL Bireflectance: RL Bireflectance:

Weak.

Help on RL Color: RL Color:

Bright creamy white.

Help on RL Pleochroism: RL Pleochroism:

None.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Naldretteite in Air

λ R1 R 2 ∑ R1(λ) ∑ R2(λ)
470 nm 49.00 50.90
546 nm 53.20 55.10
589 nm 55.40 57.50
650 nm 58.50 60.10

Standardized Intensity (100%) Reflection Spectra of Naldretteite in Oil

λ R1 R 2 ∑ R1(λ) ∑ R2(λ)
470 nm 35.90 37.60
546 nm 40.30 42.10
589 nm 42.50 44.30
650 nm 45.40 47.20

Calculated Relative Intensity Colors of Naldretteite in Air

RelativeIntensity 0% 20% 40% 60% 80% 100% 120% 140% 160% 180%
R1
R2

Calculated Relative Intensity Colors of Naldretteite in Oil

RelativeIntensity 0% 30% 60% 90% 100% 120% 150% 180% 210% 240% 250%
R1
R2

Calculated Properties of Naldretteite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=7.94 gm/cc
note: Specific Gravity of Naldretteite =9.28 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.14
Boson Index = 0.86

Help on Photoelectric: Photoelectric:

PENaldretteite = 279.42 barns/electron
U=PENaldretteite x rElectron Density=2,217.20 barns/cc.

Help on Radioactivity: Radioactivity:

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

Naldretteite Classification

Help on Dana Class: Dana Class:

02.04.22.01 (02)Sulfides - Including Selenides and Tellurides

(02.04)where Am Bn Xp, with (m+n):p=2:1

(02.04.22)Dana Group

02.04.22.01 Naldretteite! Pd2Sb C mc21 2/m 2/m 2/m

Help on Strunz Class: Strunz Class:

02.AC.25d 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.A - Simple Sulfides, Selenides, etc

02.AC -Alloys of metalloids with PGE

02.AC.25d Naldretteite! Pd2Sb C mc21 2/m 2/m 2/m

Other Naldretteite Information

Help on References: References:

NAME( AmMin, v90, p1146) PHYS. PROP.(AmMin, v90, p1146) OPTIC PROP.(AmMin, v90, p1146)

Help on See Also: See Also:

Links to other databases for Naldretteite :
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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Ask about Naldretteite here :
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Print or Cut-and-Paste your Naldretteite Specimen Label here :

Naldretteite

Pd2Sb
Dana No: 02.04.22.01 Strunz No: 02.AC.25d
Locality:

Notes: