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Hartite

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Bílina coal mine, Bílina (Bilin), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic
© Maurice de Graaf

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Formula:
C
 
20
H
 
34
System:TriclinicColour:white, grey, yellowish ...
Hardness:1
Name:For the type locality


A diterpene hydrocarbon originally described by Haidinger (1841).

Classification of Hartite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:9/B.02-50
Nickel-Strunz 10th (pending) edition ID:10.BA.10

10 : ORGANIC COMPOUNDS
B : Hydrocarbons
A : Hydrocarbons
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Type Occurrence of Hartite

Type Locality:Hart, Gloggnitz, Lower Austria, Austria
Place of Conservation of Type Material:Krahuletz Museum, Eggenburg, Austria

Occurrences of Hartite

Geological Setting:in lignite seams and fractures in fossil coalified and silicified tree trunks

Physical Properties of Hartite

Lustre:Vitreous
Diaphaneity (Transparency):Translucent
Colour:white, grey, yellowish grey, colourless
Hardness (Mohs):1
Tenacity:Waxy
Cleavage:Very Good
Density (measured):1.036 - 1.06 g/cm3
Density (calculated):1.064 g/cm3

Crystallography of Hartite

Crystal System:Triclinic
Class (H-M):1 - Pedial
Space Group:P1
Cell Parameters:a = 11.407Å, b = 20.952Å, c = 7.406Å
α = 93.941°, β = 100.75°, γ = 80.499°
Ratio:a:b:c = 0.544 : 1 : 0.353
Unit Cell Volume: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 Diffraction:
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

Optical Data of Hartite

Type:Biaxial (+)
RI values: nα = 1.546 nβ = 1.555 nγ = 1.587
2V:Measured: 57°
Maximum Birefringence:δ = 0.041

Chart 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 Hartite

Formula:
C
 
20
H
 
34
All elements listed in formula:C, H

Relationship of Hartite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
10.BA.05Fichtelite
C
 
19
H
 
34
10.BA.15Dinite
C
 
20
H
 
36
10.BA.20Idrialite
C
 
22
H
 
14
10.BA.25Kratochvílite
C
 
13
H
 
10
10.BA.30Karpatite
10.BA.40Ravatite
C
 
14
H
 
10
10.BA.45Simonellite
C
 
19
H
 
24
10.BA.50Evenkite
C
 
21
H
 
44

Other Names for Hartite

Synonyms:
Josen
Other Languages:

Other Information

Fluorescence in UV light:none
Thermal Behaviour:melting point: 71 - 71.5 °C
Health Warning: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 Hartite

Reference List:Haidinger, W. (1841): Ueber den Hartit, eine neue Species aus der Ordnung der Erdharze. Annalen der Physik und Chemie, 130, 261-265.

C. Hintze: Handbuch der Mineralogie, Vol. 1, de Gruyter (Berlin), 1933, pp. 1358-1360

V. Bouska et al.: Amer. Mineral. 83:1340-1346 (1998)

J. W. Anthony, R. A. Bideaux, K. W. Bladh, M. C. Nichols: Handbook of Mineralogy, Vol. 5, Mineral Data Publishing (Tucson, AZ), 2003

Articles/Blogs about Hartite

Internet Links for Hartite

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  • Hartite details from Handbook of Mineralogy (PDF)
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    Localities for Hartite

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    The 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.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Austria
     
    • Lower Austria
      • Gloggnitz
    		W. v. Haidinger: Pogg. Ann. 54 (1841)
    • Styria
      • Bruck an der Mur
        • Kapfenberg
          • Thörl
            • Turnau
    		J. W. Anthony et al.: Handbook of Mineralogy, Vol. 5 (2003)
      • Köflach
        • Köflach - Voitsberg lignite deposit
    		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.
    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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