Idocrase

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Idocrase is mineral species known as Vesuvianite and has several varieties. Sometimes erroneously referred to as "California Jade."

  • Californite - Mottled or Veined Green to Yellowish Brown
  • Xanthite - Transparent Yellow to Yellowish Brown
  • Cyprine - Greenish Blue to Light Blue

Gemological Properties

Gemological Information for Idocrase
Color Yellow Green, Bluish Green, Gray, White & Brown
Crystal Structure Tetragonal
Refractive Index 1.713 - 1.718
Durability Fair to Good
Hardness 6.5
Similar Stones Jadeite, Nephrite, Hydrogrossular, Spinel, Epidote, Kyanite, Zoisite
Treatments None Known at this Time
Country of Origin U.S., Canada , Russia, Italy, Norway and the Alps
Idocrase Care
Ultrasonic Cleaning Risky
Steam Cleaning Not Safe
Warm Soapy Water Safe
Chemical Attack Attacked by Hydrofluoric Acid
Light Sensitivity Stable
Heat Sensitivity Fuses with Heat
Lang Antiques
Lang Antiques