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Ravatite

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Formula:
C14H10
Colour:
Colourless to gray
Lustre:
Vitreous, Waxy
Hardness:
1
Specific Gravity:
1.11
Crystal System:
Monoclinic
Name:
named after its discovery locality.
Forms in burning coal seams at < 50-60°C.

Known in organic chemistry as phenanthrene.


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Classification of RavatiteHide

Approved
Approval Year:
1992
10.BA.40

10 : ORGANIC COMPOUNDS
B : Hydrocarbons
A : Hydrocarbons
50.3.2.1

50 : ORGANIC COMPOUNDS
3 : Hydrocarbons

Physical Properties of RavatiteHide

Vitreous, Waxy
Transparency:
Transparent, Translucent
Colour:
Colourless to gray
Hardness:
Tenacity:
Waxy
Cleavage:
Perfect
{001}
Density:
1.11(2) g/cm3 (Measured)    1.207 g/cm3 (Calculated)
Comment:
Measured crystals are porous

Optical Data of RavatiteHide

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
Comments:
Soluble in organic fluids

Chemical Properties of RavatiteHide

Formula:
C14H10

Crystallography of RavatiteHide

Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
P21
Setting:
P21
Cell Parameters:
a = 8.39 Å, b = 6.18 Å, c = 9.55 Å
β = 98.48°
Ratio:
a:b:c = 1.358 : 1 : 1.545
Unit Cell V:
489.76 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Thin platelets with included air.
Comment:
Equivalent to synthetic phenanthrene

Type Occurrence of RavatiteHide

Synonyms of RavatiteHide

Other Language Names for RavatiteHide

Related Minerals - Nickel-Strunz GroupingHide

10.BA.05FichteliteC19H34Mon.
10.BA.10HartiteC20H34Tric. 1 : P1
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.45SimonelliteC19H24Orth. mmm (2/m 2/m 2/m) : Pnna
10.BA.50EvenkiteC21H44Orth. mmm (2/m 2/m 2/m) : Pbcm

Fluorescence of RavatiteHide

white/yellow

Other InformationHide

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 RavatiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 RavatiteHide

Localities for RavatiteHide

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.
Germany
 
  • North Rhine-Westphalia
    • Aachen
      • Alsdorf
Witzke, T., de Wit, F., Kolitsch, U. and Blaß, G. (2015): Mineralogy of the Burning Anna I Coal Mine Dump, Alsdorf, Germany. Chapter 7, pp. 203-240, in: Stracher, G. B., Prakash, A. and Sokol, E. V.: Coal and Peat Fires: A Global Perspective, Volume 3: Case Studies - Coal Fires, Elsevier, 786 pp.
  • 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 (TL)
 
  • 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 // European Journal of Mineralogy, 1993, 5, 4, 699-705
Mineral and/or Locality  
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