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Ravatite

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Carola Mine, Freital, Dresden, Saxony, Germany
© Thomas Witzke

Show Ravatite Photos (3)
Formula:
C
 
14
H
 
10
System:MonoclinicColour:Colourless to gray
Hardness:1
Name:named after its discovery locality.


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, Fan-Yagnob Basin, Gissar 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
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.30Karpatite
10.BA.45Simonellite
C
 
19
H
 
24
10.BA.50Evenkite
C
 
21
H
 
44

Other Names for Ravatite

Synonyms:
IMA1992-019
Other Languages:
German: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:New Minerals (1997), New Minerals 1990-1994.

European Journal of Mineralogy: 5: 699-705.

American Mineralogist (1994): 79: 389.

Articles/Blogs about Ravatite

Internet Links for Ravatite

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    Localities for Ravatite

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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.
    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).
    • 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)
      • Gissar Range
        • Fan-Yagnob Basin
    Mineral and/or Locality
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