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Hartite

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Formula:
C20H34
Colour:
white, grey, yellowish grey, colourless
Lustre:
Vitreous
Hardness:
1
Specific Gravity:
1.036 - 1.06
Crystal System:
Triclinic
Name:
For the type locality
A fossil resin resembling amber and found in small yellowish grains disseminated in brown coal. Chemically it is a diterpene hydrocarbon.

It was originally described by Haidinger.


Hide all sections | Show all sections

Classification of HartiteHide

Approved, 'Grandfathered' (first described prior to 1959)
10.BA.10

10 : ORGANIC COMPOUNDS
B : Hydrocarbons
A : Hydrocarbons

Pronounciation of HartiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of HartiteHide

Vitreous
Transparency:
Translucent
Colour:
white, grey, yellowish grey, colourless
Hardness:
Tenacity:
Waxy
Cleavage:
Very Good
Density:
1.036 - 1.06 g/cm3 (Measured)    1.064 g/cm3 (Calculated)

Optical Data of HartiteHide

Type:
Biaxial (+)
RI values:
nα = 1.546 nβ = 1.555 nγ = 1.587
2V:
Measured: 57°
Max Birefringence:
δ = 0.041
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
r > v

Chemical Properties of HartiteHide

Formula:
C20H34

Crystallography of HartiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pedial
Space Group:
P1
Cell Parameters:
a = 11.407 Å, b = 20.952 Å, c = 7.406 Å
α = 93.941°, β = 100.75°, γ = 80.499°
Ratio:
a:b:c = 0.544 : 1 : 0.353
Unit Cell V:
1,713.80 ų (Calculated from Unit Cell)
Z:
4
Morphology:
complex flattened to needlelike crystals to 8 mm (26 forms noted), lamellar to coarse crystalline masses or coatings

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
10.38 (34)
6.59 (33)
6.11 (18)
5.58 (17)
5.54 (100)
3.446 (13)
3.850 (11)
(
Comments:
recorded on material from Bílina, Czech Republic

Type Occurrence of HartiteHide

Place of Conservation of Type Material:
Krahuletz Museum, Eggenburg, Austria

Synonyms of HartiteHide

Other Language Names for HartiteHide

Related Minerals - Nickel-Strunz GroupingHide

10.BA.05FichteliteC19H34Mon.
10.BA.15DiniteC20H36Orth. 2 2 2 : P21 21 21
10.BA.20IdrialiteC22H14Orth.
10.BA.25KratochvíliteC13H10Orth.
10.BA.30CarpathiteC24H12Mon. 2/m : P21/b
10.BA.35PhylloretineC18H18Orth.
10.BA.40RavatiteC14H10Mon. 2 : P21
10.BA.45SimonelliteC19H24Orth. mmm (2/m 2/m 2/m) : Pnna
10.BA.50EvenkiteC21H44Orth. mmm (2/m 2/m 2/m) : Pbcm

Fluorescence of HartiteHide

Other InformationHide

Thermal Behaviour:
melting point: 71 - 71.5 °C
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Industrial Uses:
none

References for HartiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Haidinger, W. (1841): Ueber den Hartit, eine neue Species aus der Ordnung der Erdharze. Annalen der Physik und Chemie, 130, 261-265.
Rumpf, J. (1870): Ueber neuere Mineralfunde im tertiären Kohlenbecken von Voitsberg - Lankowitz. Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark 7, 204-214. [detailed crystallographic study]
C. Hintze: Handbuch der Mineralogie, Vol. 1, de Gruyter (Berlin), 1933, pp. 1358-1360
Bouška V, Císařová I, Skála R, Dvořák Z, Zelinka J, Zák K (1998): Hartite from Bílina. American Mineralogist 83, 1340-1346.
J. W. Anthony, R. A. Bideaux, K. W. Bladh, M. C. Nichols: Handbook of Mineralogy, Vol. 5, Mineral Data Publishing (Tucson, AZ), 2003

Internet Links for HartiteHide

Localities for HartiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria (TL)
 
  • Lower Austria
    • Industrieviertel
      • Enzenreith
        • Hart
W. v. Haidinger: Pogg. Ann. 54 (1841)
  • Styria
    • Bruck an der Mur
      • Aflenz Kurort
        • Turnau
          • Au
American Mineralogist Dec (1998) Vol. 83 No. 11-12. p. 1340-1346
J. W. Anthony et al.: Handbook of Mineralogy, Vol. 5 (2003)
    • Köflach
      • Köflach - Voitsberg lignite deposit
Rumpf, J. (1870): Ueber neuere Mineralfunde im tertiären Kohlenbecken von Voitsberg - Lankowitz. Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark 7, 204-214.; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Ústí Region
      • Bílina (Bilin)
Bouška, V., Dvořák, Z.: Nerosty severočeské hěndouhelné pánve. Praha: Severočeské doly, a.s., 160 s.
Bouška, V., Dvořák, Z.: Nerosty severočeské hěndouhelné pánve. Praha: Severočeské doly, a.s., 160 s.
Germany
 
  • Saxony-Anhalt
    • Halle
      • Amsdorf
Huhle, H. & G. Hohndorf (2013): Interessante Mineralienfunde aus dem Braunkohletagebau Amsdorf bei Halle a.d. Saale. Mineralien-Welt, 24( 6), 118-129.
Hungary
 
  • Borsod-Abaúj-Zemplén Co.
    • Borsodi Mts
GEODA 2005/3
Italy
 
  • Tuscany
    • Arezzo Province
      • Valdarno (Val d'Arno)
        • Cavriglia
          • Santa Barbara lignite District
J. W. Anthony et al.: Handbook of Mineralogy, Vol. 5 (2003)
    • Pisa Province
      • Chianni
Orlandi P., (2005). "Geositi minerari e mineralogici della provincia di Pisa" in La geologia della provincia di Pisa. Cartografia, geositi e banche dati, pp. 55-280, Provincia di Pisa, 2005
  • Umbria
    • Terni Province
J. W. Anthony et al.: Handbook of Mineralogy, Vol. 5 (2003)
Mineral and/or Locality  
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