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Ravatite

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Formula:
C
 
14
H
 
10
System:MonoclinicColour:Colourless to gray
Hardness:1
Name:named after its discovery locality.


Forms in burning coal seams at < 50-60°C.

Known in organic chemistry as phenanthrene.

Classification of Ravatite

IMA status:Approved
Strunz 8th edition ID:9/B.02-75
Nickel-Strunz 10th (pending) edition ID:10.BA.40

10 : ORGANIC COMPOUNDS
B : Hydrocarbons
A : Hydrocarbons
Dana 8th edition ID:50.3.2.1

50 : ORGANIC COMPOUNDS
3 : Hydrocarbons
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Type Occurrence of Ravatite

Type Locality:Ravat Village (site of), Yagnob River, Zeravshan Range, Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad), Tajikistan
Year of Discovery:1993

Physical Properties of Ravatite

Lustre:Vitreous, Waxy
Diaphaneity (Transparency):Transparent, Translucent
Colour:Colourless to gray
Hardness (Mohs):1

Crystallography of Ravatite

Crystal System:Monoclinic
Cell Parameters:a = 8.39Å, b = 6.18Å, c = 9.55Å
β = 98.48°
Ratio:a:b:c = 1.358 : 1 : 1.545
Unit Cell Volume:V 489.76 ų (Calculated from Unit Cell)

Optical Data of Ravatite

Type:Biaxial (+/-)
RI values: nα = 1.750 nγ = 1.950
2V:Measured: 90°
Maximum Birefringence:δ = 0.200

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r < v marked

Chemical Properties of Ravatite

Formula:
C
 
14
H
 
10
Simplified for copy/paste:C14H10
Essential elements:C, H
All elements listed in formula:C, H

Relationship of Ravatite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
10.BA.05Fichtelite
C
 
19
H
 
34
10.BA.10Hartite
C
 
20
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.30Carpathite
C
 
24
H
 
12
10.BA.30Karpatite
10.BA.35Phylloretine
C
 
18
H
 
18
10.BA.45Simonellite
C
 
19
H
 
24
10.BA.50Evenkite
C
 
21
H
 
44

Other Names for Ravatite

Synonyms:
IMA1992-019Phenanthrene
Other Languages:
German:Phenanthren
Ravatit
Spanish:Ravatita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Ravatite

Reference List:

- +
Nasdala, L. and I.V. Pekov (1993) Ravatite, C14H10, a new organic mineral
species from Ravat, Tadzhikistan. Eur. J. Mineral., 5, 699–705.

American Mineralogist (1994): 79: 389.

New Minerals (1997), New Minerals 1990-1994.

Internet Links for Ravatite

Search Engines:
  • Look for Ravatite on Google
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  • External Links:
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  • Look for Ravatite on Athena Mineralogy
  • Look for Ravatite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Ravatite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
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  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
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  • Localities for Ravatite

    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.
    (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.
    Germany
     
    • North Rhine-Westphalia
      • Aachen
        • Alsdorf
    Thomas Witzke (unpublished analysis by HPLC; see also http://www.mindat.org/forum.php?read,7,73796,74095#msg-74095). ---- Elmar Lackner: Confirmed by GC/MS 2009-11-10 (Data available from Author !)
    • Saxony
      • Dresden
        • Freital
    T. Witzke (1995): Neufunde aus Sachsen (IV): Neue Nachweise der seltenen Minerale Chernikovit, Ktenasit, Letovicit, Ramsbeckit, Ravatit und Znucalit. - Lapis 20, 9, 35-36
    Tajikistan
     
    • Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad)
      • Zeravshan Range
        • Yagnob River
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Nasdala L., Pekov I.V. Ravatite, C 14 H 10 , a new organic mineral species from Ravat, Tadzhikistan // Eur.J.Miner., 1993, 5, 4, 699-705
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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