Louisiana State Gemstone: LaPearlite
Updated: Aug 19
What is Louisiana State Gemstone?
Louisiana's state gemstone is LaPearlite, a cabochon-cut gemstone derived from the shell of the eastern oyster (Crassostrea virginica). Officially designated in 2011, LaPearlite reflects the state's rich coastal heritage and its thriving oyster industry.
What is LaPearlite?
LaPearlite is created from the inner shell of the eastern oyster. The shells are cut and polished into cabochon shapes, revealing a pearlescent sheen that is both unique and beautiful. The gemstone's creation was pioneered by Louisiana jeweler Anne Dale, who recognized the potential of oyster shells as a gemstone material (eReferenceDesk) (Wikipedia).
History and Significance
The adoption of LaPearlite as the state gemstone was part of an effort to promote Louisiana's oyster industry, especially following the challenges posed by environmental disasters such as the 2010 Gulf of Mexico oil spill. This designation helps highlight the importance of oysters to Louisiana's economy and culture (eReferenceDesk) (Wikipedia).
Properties and Uses
LaPearlite is known for its:
Pearlescent Luster: The polished surface of LaPearlite exhibits a beautiful, pearlescent glow.
Durability: While not as hard as traditional gemstones, LaPearlite is suitable for various types of jewelry.
Aesthetic Appeal: The unique appearance of each piece makes LaPearlite a sought-after material for custom jewelry and decorative items (eReferenceDesk).
Collecting LaPearlite
Although LaPearlite itself is created through a specific process, the raw oyster shells can be found along Louisiana's coastal regions. Collectors often seek these shells for their natural beauty and potential for transformation into gemstones.
Other Notable Gemstones in Louisiana
In addition to LaPearlite, Louisiana is home to other interesting gemstones and minerals:
Agate: Formerly the state gemstone, agate is now the state mineral. It is found in various parts of the state, particularly in the Citronelle Formation and gravel beds along the Amite River (Wikipedia) (eReferenceDesk).
Petrified Palm Wood: Designated as the state fossil, this material is often found in the Catahoula Formation and used for decorative purposes (Geology).
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