• TANZANITE

    Poised between lush blue, vibrant violet, and rich purple, exotic tanzanite is found in only one place on earth, near majestic Mount Kilimanjaro.

     

    • Mineral: Zoisite
    • Chemistry: Ca2Al3(SiO4)3(OH)
    • 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

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