Call Us (800) 924-2213 • Mon - Sat 10:30 to 5:30 PST
Search...
Generic filters
Exact matches only
Search in title
Search in content
Search in excerpt
Filter by Custom Post Type

Benitoite

Gemological Information for Benitoite

  
Color:Blue or Violet Blue, Rarely Colorless or Pink
Crystal Structure:Hexagonal
Refractive Index:1.757 – 1.804
Durability:Fair
Hardness:6 to 6.5
Family:
Similar Stones:Azurite, Sapphire, Synthetic Sapphire
Treatments:None Known at this Time
Country of Origin:U.S.

Benitoite Care

  
Ultrasonic Cleaning:Risky
Steam Cleaning:Never
Warm Soapy Water:Safe
Chemical Attack:Attacked by Hydrofluoric Acid and Slowly Slowly Affected by Hydrochloric Acid
Light Sensitivity:Stable
Heat Sensitivity:No Rapid Temperature Changes

More Information

Gems & Gemology: The Quarterly Journal of the Gemological Institute of America.

 

G&G Article Index: Benitoite

  • Summer 1953, Benitoite, by Ehrmann, p. 317, 1p.
  • Summer 1963, A Beautiful 4 1/2-ct. Benitoite and a Colorless Benitoite, p. 55, 1p.
  • Spring 1968, Pink Benitoite from Calif., p. 284, 2pp.
  • Spring 1968, Benitoite Inclusions, p. 285, 2pp.

Online Texts on Benitoite