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Evenkite Mineral Data

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General Evenkite Information

Help on Chemical  Formula: Chemical Formula: (CH3)2(CH2)22
Help on Composition: Composition: Molecular Weight = 338.66 gm
   Hydrogen  14.88 %  H
   Carbon    85.12 %  C
            100.00 % 
Help on Empirical Formula: Empirical Formula: C24H50
Help on Environment: Environment: In vugs in a quartz vein cutting vesicular lava.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1953
Help on Locality: Locality: Evenki Region, Lower Tunguska River, Siberia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Names after its locality
Help on Name Pronunciation: Name Pronunciation: Evenkite Say EVENKITE
Help on Synonym: Synonym: n-tetracosane

Evenkite Image

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Comments: Colorless flake of evenkite on an orange background.
Location: Khavokiperskiye Rocks polymetallic occurrence, Evenkia, Nizhnyaya Tunguska River, Nizhnyaya Tunguska River Basin, Krasnoyarskiy Kray, Eastern-Siberian Region, Russia. Scale: Size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Evenkite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.5:1:13.2228
Help on Cell Dimensions: Cell Dimensions: a = 7.47, b = 4.98, c = 65.85, Z = 4; V = 2,449.66 Den(Calc)= 0.92
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbcm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.18(1), 3.74(0.9), 2.25(0.8),

Physical Properties of Evenkite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Colorless, Yellowish green, White, Yellowish white.
Help on Density: Density: 0.87
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Disseminated - Occurs in small, distinct particles dispersed in matrix.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 1 - Talc
Help on Luster: Luster: Waxy
Help on Streak: Streak: white

Optical Properties of Evenkite

Help on Optical Data: Optical Data: Biaxial (+), a=1.504, b=1.504, g=1.553, bire=0.0490

Calculated Properties of Evenkite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.05 gm/cc
note: Specific Gravity of Evenkite =0.92 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0093853841
Boson Index = 0.9906146159
Help on Photoelectric: Photoelectric: PEEvenkite = 0.12 barns/electron
U=PEEvenkite x rElectron Density= 0.12 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Evenkite is Not Radioactive

Evenkite Classification

Help on  Dana Class: Dana Class: (50)Salts of Organic Acids
  (50.03.06)Dana Group Evenkite (CH3)2(CH2)22 Pbcm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 10.BA.50 10 - ORGANIC COMPOUNDS
  10.B - Hydrocarbons
  10.BA -Hydrocarbons
10.BA.50 Evenkite (CH3)2(CH2)22 Pbcm 2/m 2/m 2/m

Other Evenkite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(AmMin, v90, p1468) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Evenkite :
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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Dana No: Strunz No: 10.BA.50





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