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Star Sapphire

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About Star SapphireHide

A variety of Sapphire

A variety of sapphire that exhibits a star pattern when viewed down the c axis. The chatoyance is due to oriented microscopic inclusions (nanorods) of diaspore (Nadin, 2007).

The Star of India is the largest star sapphire in the world (563 carats or 113 grams). It was found in Sri Lanka in the 17th century. In 1900 it was donated to the American Museum of Natural History in New York, where it is on permanent display (Morris, 2005).

Visit gemdat.org for gemological information about Star Sapphire.

Pronounciation of Star SapphireHide

PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Chemical Properties of Star SapphireHide


Other Language Names for Star SapphireHide

Simplified Chinese:星光蓝宝石

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 Star SapphireHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Morris, N. (2005) Diamonds and other gems. Appleseed Editions, East Sussex.
Nadin, E. (2007) The secret lives of minerals. Engineering & Science, No. 1, 10-20.

Internet Links for Star SapphireHide

Localities for Star SapphireHide

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.
  • British Columbia
    • Slocan Mining Division
Jennifer Pell (1994) Carbonatites, Nepheline Syenites, Kimberlites and Related Rocks in British Columbia. British Columbia Ministry of Energy Bulletin 88.
  • Mandalay Region
    • Pyin-Oo-Lwin District
      • Mogok Township
        • Bernardmyo
Ted Themelis (2008) Gems & mines of Mogok
Ted Themelis (2008) Gems & mines of Mogok
        • Chaung-gyi
Ted Themelis (2008) Gems & mines of Mogok
Ted Themelis (2008) Gems & mines of Mogok
Ted Themelis (2008) Gems and Mines of Mogok
Ted Themelis (2008) Gems & mines of Mogok
        • Kathé (Kathe)
Ted Themelis (2008) Gems & mines of Mogok
Ted Themelis (2008) Gems & mines of Mogok
        • Kyatpyin Central
Ted Themelis (2008) Gems & mines of Mogok
        • Kyauk-Pyat-That
Ted Themelis (2008) Gems & mines of Mogok
Ted Themelis (2008) Gems & mines of Mogok
          • Yadanar-kaday-kadar
Ted Themelis (2008) Gems & mines of Mogok
        • Marble Ark
Ted Themelis (2008) Gems & mines of Mogok
          • Kyauk-poke (Rotten Stone)
Ted Themelis (2008) Gems & mines of Mogok
Ted Themelis (2008) Gems & mines of Mogok
        • Mogok Valley
Ted Themelis (2008) Gems & mines of Mogok
Ted Themelis (2008) Gems & mines of Mogok
Ted Themelis (2008) Gems & mines of Mogok
Ted Themelis (2008) Gems & mines of Mogok
Ted Themelis (2008) Gems & mines of Mogok
Sri Lanka
  • Sabaragamuwa Province
    • Ratnapura District
      • Ratnapura
Econ Geol (1981) 76:733-738
Gübelin, E. and Wolgensinger, M. (1976) Edelstenen. Uitgeverij Artis, Brussel (in Dutch).
  • Chanthaburi Province
http://www.mindat.org/article.php/262/Henry+Louis%3A+Ruby+and+Sapphire+Deposits+of+Moung+Klung+%28Thailand%29 O'Neil, P. (1983) Planet Earth - Gemstones. Time-Life Books, Arlington, Virginia, USA, 176 pages.
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