Mineralogy Database

Hartite Mineral Data

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General Hartite Information

Help on Chemical  Formula: Chemical Formula: C20H34
Help on Composition: Composition: Molecular Weight = 274.49 gm
   Hydrogen  12.48 %  H
   Carbon    87.52 %  C
            100.00 % 
Help on Empirical Formula: Empirical Formula: C20H34
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1841 (Dana # Added)
Help on Locality: Locality: Hart, Gloggnitz, Austria. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.

Hartite Image

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Comments: White, translucent waxy crystalline hartite in wood.
Location: Santa Barbara Mine, San Giovanni Valdarno, Tuscany, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hartite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5444:1:0.3534
Help on Cell Dimensions: Cell Dimensions: a = 11.407, b = 20.952, c = 7.406, Z = 4; alpha = 93.941°, beta = 100.75°, gamma = 80.499° V = 1,711.06 Den(Calc)= 1.07
Help on Crystal System: Crystal System: Triclinic - Pedial H-M Symbol (1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.54(1), 10.38(0.337), 6.59(0.331),

Physical Properties of Hartite

Help on Cleavage: Cleavage: {???} Good
Help on Color: Color: Colorless, Yellow, White.
Help on Density: Density: 1.036 - 1.06, Average = 1.04
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 1 - Talc
Help on Luster: Luster: Waxy
Help on Streak: Streak: white

Calculated Properties of Hartite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.19 gm/cc
note: Specific Gravity of Hartite =1.06 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0096453819
Boson Index = 0.9903546181
Help on Photoelectric: Photoelectric: PEHartite = 0.12 barns/electron
U=PEHartite x rElectron Density= 0.15 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hartite is Not Radioactive

Hartite Classification

Help on  Dana Class: Dana Class: (50)Salts of Organic Acids
  (50.03.02)Ravatite Group Ravatite C14H10 P 21 2 Hartite! C20H34 P1 1
Help on  Strunz Class: Strunz Class: 10.BA.10 10 - ORGANIC COMPOUNDS
  10.B - Hydrocarbons
  10.BA -Hydrocarbons
10.BA.10 Hartite C20H34 P1 1

Other Hartite Information

Help on References: References: PHYS. PROP.(Am.Min.,Vol.83,p1340-1346,1998)
Help on See Also: See Also: Links to other databases for Hartite :
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.10