Rough Tanzanite & Diamond Necklace

  • Tanzanite is only found one place in the world, a small mining area about 7km long in Tanzania. This rare and beautiful piece has blue and violet tones, accented with rose gold and dainty diamonds, that stand out when paired with any outfit. [Chain sold separately.]

    1. 14K Rose Gold
    2. 24mm x 13.1mm Pendant
    3. 5.5mm x 3.5mm Bail
  • 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.