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A variety of Chrysoberyl

An opalescent variety of Chrysoberyl. Exhibits a bluish (or yellowish according to other sources) chatoyancy which is caused by microscopic tube-like cavities or needle-like inclusions of rutile in an orientation parallel to the c-axis.

Visit for gemological information about Cymophane.

Classification of Cymophane URL:
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Other Names for Cymophane

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 Cymophane

Reference List:
Haüy (1798), Journa ines: 4: 5.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 718.

Internet Links for Cymophane

Localities for Cymophane

(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.
Democratic Republic of Congo (Zaïre)
  • Kasaï (Kasaï-Occidental)
Edwards, M.G. (1917) The American Mineralogist, 2, #7, 88-89.
  • Antananarivo Province
    • Analamanga Region
      • Ankazobe Pegmatite Field
        • Ankazobe District
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
  • Fianarantsoa Province
    • Matsiatra Region
      • Ampandramaika-Malakialina Pegmatite Field
        • Ikalamavony District
          • Fitampito Commune
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871; Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 27
  • Mahajanga Province (Majunga)
    • Betsiboka Region
      • Maevatanana District
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
  • Tuléar Province (Toliara)
    • Menabe Region
      • Miandrivazo District
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Geologique A. 1871
Sri Lanka
  • Sabaragamuwa Province
    • Ratnapura District
Josep Sanchez specimens (INTAN, Barcelona)
      • Ratnapura
Ceylon Aluvial Mine, (Book, Co. 2002)
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