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Collection: Tanzanites

Tanzanite is a beautiful blue/purple dichroic gem discovered in Merelani, Tanzania in 1967.  The most desirable gems are a medium to deep blue with purple flashes.  Almost all the gems are a brownish color when mined and need to be heat treated to bring out the desirable color. 

Tanzanite is a softer gem (Mohs hardness of 6 - 6.5) so should be worn with care, especially in a ring.  Cole cuts and polishes most of his Tanzanites and can remove stones from the settings and repolish them if they become scratched or worn looking.

12 products
  • Tanzanite and Diamond Paisely Pendant
    Regular price
    $425.00
    Sale price
    $425.00
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    SOLD
  • Tanzanite and Opal Ring
    Regular price
    $790.00
    Sale price
    $790.00
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    per 
    SOLD
  • Tanzanite Bypass Ring
    Regular price
    $395.00
    Sale price
    $395.00
    Regular price
    Unit price
    per 
    SOLD
  • Ornate 3 Piece Crystal Opal & Tanzanite Necklace
    Regular price
    $2,979.00
    Sale price
    $2,979.00
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    SOLD
  • Boulder Opal and Tanzanite Necklace in Autumn Colors
    Regular price
    $3,490.00
    Sale price
    $3,490.00
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    per 
    SOLD
  • Boulder Opal, Tanzanite and Diamonds Pendant
    Regular price
    $2,390.00
    Sale price
    $2,390.00
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    SOLD
  • Carved Natural Pink Sapphire Ring with Diamonds and Tanzanites
    Regular price
    $1,129.00
    Sale price
    $1,129.00
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    Unit price
    per 
    SOLD
  • Pink Sapphire and Tanzanite Bypass Ring, 14K White Gold
    Regular price
    $498.00
    Sale price
    $498.00
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    SOLD