Refikite

C20H34O2
IMA status
  • Approved
  • Grandfathered
IMA symbol
Ref
Discovered
1852
Also known as
  • Refikiet

Where it forms, where it's found

Geological setting

In lignite.

In fossil roots of spruce in a swamp in southern Bavaria, Germany (Fleischer, 1965)

Type locality
Montorio al Vomano
  1. Teramo Province
  2. Abruzzo
  3. Italy
3recorded occurrences
Source · OpenStreetMap

Physical

Hardness
123456789101/ 10 MOHS
  1. 1Talc
  2. 2Gypsum
  3. 3Calcite
  4. 4Fluorite
  5. 5Apatite
  6. 6Orthoclase
  7. 7Quartz
  8. 8Topaz
  9. 9Corundum
  10. 10Diamond
Colour
White to light yellow
Tenacity
very brittle
Cleavage
None Observed
Fracture
Irregular/Uneven
Density
1.1334 g/cm³

Optical

Optical type
Biaxial
UV response
Not fluorescent.

Crystallography

Crystal system
Orthorhombic
Space group
#43
Cell parameters
a = 22.6520(7) Å · b = 10.3328(3) Å · c = 7.6711(2) Å
Ratio a:b:c
1 : 0.456 : 0.339
Z
4
Morphology

Polycrystalline crystals. Prismatic crystals, randomly intergrown, up to 11.5 mm in size.

Type-locality form

White veins, 4-10 mm thick. Usually amorphous, rarely as radiating fibrous masses.

Comment

Cell data from Pažout et al. (2015).

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
6CCarbonCarbon2012.011240.220
78.38%
1HHydrogenHydrogen341.00834.272
11.18%
8OOxygenOxygen215.99931.998
10.44%
Total306.490100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From IMA formula

Synonyms

  • Refikiet

In other languages

German
Refikit
Italian
Refikite

Classification

Strunz
10th ed.

10.CA.05

  • 10Organic CompoundsClass
  • 10.CMiscellaneous Organic MineralsDivision
  • 10.CAMiscellaneous Organic MineralsGroup
  • 10.CA.05RefikiteSpecies
Dana
8th ed.

50.04.01.01

  • 50Organic CompoundsClass
  • 50.04MiscellaneousType
  • 50.04.01— unnamed intermediate level —Group
  • 50.04.01.01RefikiteSpecies
CIM

32.7

  • 32Hydrocarbons, Resins and other Organic CompoundsClass
  • 32.7— unnamed intermediate level —Group
  • 32.7RefikiteSpecies

Literature, links & citation

Citations
  1. 1852La Cava, D. (1852): Journal des connaissances médicales pratique et de pharmacologie, Paris.
  2. 1859Leymerie, A. (1859) Réfikite (du nom de Refik-Bey). Cours de Minéralogie, v. 2, Parigi, Victor Mason, 400-400.
  3. 1874Legrand des Cloiseaux, A.-L.-O. (1874): Manuel de Minéralogie. Tome Second. Dunod Ed., Paris, 58-59.
  4. 1965Strunz, H., Contag, B. (1965) Evenkit, flagstaffit, idrialin und reficit. Neues Jahrbuch für Mineralogie, Monatshefte: 1965: 19-25.
  5. 1965American Mineralogist (1965): 50: 2110.
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Refikite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/refikite-3384},
  note      = {Accessed 2026-05-11}
}