Tanzanite Cabochon Ring

  • This polished tanzanite beauty set in Sterling Silver impresses everyone with its elegance and charm. 

    1. .925 Sterling Silver
    2. Size 6.75
    3. 1.8mm Band Width
    4. 10mm x 8mm Tanzanite
  • BIRTHSTONES & ANNIVERSARIES

    Tanzanite is a birthstone for December, along with zircon, turquoise, and blue topaz. Tanzanite is also the gem for a 24th anniversary.

      MINERAL: Zoisite
      CHEMISTRY: Ca2Al3(SiO4)3(OH)3
      COLOR: Violet blue to bluish violet to violet purple
      REFRACTIVE INDEX: 1.691 to 1.700
      BIREFRINGENCE: 0.008 to 0.013
      SPECIFIC GRAVITY: 3.35
      MOHS HARDNESS: 6 to 7
  • If you need additional information regarding any of our gems or stones please contact us at shop@rockshopjewelry.com.