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Ravatite

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Formula:
C14H10
System:
Monoclinic
Colour:
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

Approved
10.BA.40

10 : ORGANIC COMPOUNDS
B : Hydrocarbons
A : Hydrocarbons
50.3.2.1

50 : ORGANIC COMPOUNDS
3 : Hydrocarbons
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First Recorded Occurrence of Ravatite

Year of Discovery:
1993

Physical Properties of Ravatite

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°
Max Birefringence:
δ = 0.200
Image 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:
C14H10
Essential elements:
All elements listed in formula:

Relationship of Ravatite to other Species

10.BA.05FichteliteC19H34
10.BA.10HartiteC20H34
10.BA.15DiniteC20H36
10.BA.20IdrialiteC22H14
10.BA.25KratochvíliteC13H10
10.BA.30CarpathiteC24H12
10.BA.30Karpatite
10.BA.35PhylloretineC18H18
10.BA.45SimonelliteC19H24
10.BA.50EvenkiteC21H44

Other Names for Ravatite

Name in Other Languages:

Other Information

Health Risks:
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

Localities for Ravatite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
Mineral and/or Locality  
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