Hartite Mineral Data

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General Hartite Information

Chemical Formula:

C20H34

Composition:

Molecular Weight = 274.49 gm

Hydrogen 12.48 % H

Carbon 87.52 % C

______

100.00 %

Empirical Formula:

C₂₀H₃₄

IMA Status:

Valid Species (Pre-IMA) 1841 (Dana # Added)

Locality:

Hart, Gloggnitz, Austria. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Hartite Image

Images:

Hartite

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

Axial Ratios:

a:b:c =0.5444:1:0.3534

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

Crystal System:

Triclinic - PedialH-M Symbol (1) Space Group: P1

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

By Intensity(I/I_o): 5.54(1), 10.38(0.337), 6.59(0.331),

Crystal Structure:

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Bouska V , Cisarova I , Skala R , Dvorak A , Zelinka J , Zak K , American Mineralogist , 83 (1998) p.1340-1346, Hartite from Bilina

Physical Properties of Hartite

Cleavage:

{???} Good

Color:

Colorless, Yellow, White.

Density:

1.036 - 1.06, Average = 1.04

Diaphaneity:

Transparent

Hardness:

1 - Talc

Luster:

Waxy

Streak:

white

Calculated Properties of Hartite

Electron Density:

Bulk Density (Electron Density)=1.19 gm/cc
note: Specific Gravity of Hartite =1.06 gm/cc.

Fermion Index:

Fermion Index = 0.0096453819
Boson Index = 0.9903546181

Photoelectric:

PE_Hartite= 0.12 barns/electron
U=PE_Hartite x rElectron Density= 0.15 barns/cc.

Radioactivity:

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

Hartite Classification

Dana Class:

50.03.02.02 (50)Salts of Organic Acids

(50.03)(Hydrocarbons)

(50.03.02)Ravatite Group

50.03.02.01 Ravatite C14H10 P 2₁ 2

50.03.02.02 Hartite! C20H34 P1 1

Strunz Class:

10.BA.10 10 - ORGANIC COMPOUNDS

10.B - Hydrocarbons

10.BA -Hydrocarbons

10.BA.10 Hartite C20H34 P1 1

Other Hartite Information

References:

PHYS. PROP.(Am.Min.,Vol.83,p1340-1346,1998)

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 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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

Hartite

C20H34
Dana No: 50.03.02.02 Strunz No: 10.BA.10
Locality:

Notes: