• Natural Tanzanite Loose Gemstone

    Very nice Loose Tanzanite Gemstone. General Tanzanite info     Color: blue, violet blue, green, yellow, brownish     Hardness: 6,5 - 7     Refractive index: 1.69 - 1.70     Density: 3.35 - 3.38     Chemical composition: Ca2Al3(O/OH/SiO4/Si2O7)     Crystal structure: orthorhombic     Origins: Tanzania The most valued tanzanites (zoisites) are typically vivid, violet-blue crystals with greenish or orangey stones being rare. Heat treatment is applied to enforce the violet color component.
    AU $120.00
    or Best Offer
  • 4.2 carat Natural Ruby

    4.2 carat Natural Ruby, faceted, loose gemstone. Emerald cut. Ideal for jewelry such as rings etc.
    AU $650.00
    0 bidsEnding 24 Sep at 20:29 AEST1d 21h
  • 3.35 Ct Natural Violet Blue Tanzanite Cabochon GGL Certified Untreated Gem Stone

    Gem Type: Natural Tanzanite. Color: Violet Blue. Shape: Oval Cabochon, Polished Both Side. Hardness: 6.5 on Moh's scale. Quantity: 1 Pc(s).
    AU $29.99
    or Best Offer
  • VERY RARE 9x7mm OVAL CABOCHON-CUT DEEP PURPLE/BLUE NATURAL TANZANITE (APP )

    This is a very rare, stunning purple/blue, oval cabochon-cut, natural Tanzanite gemstone. It weighs 2.55cts, measures 9x7mm, has eye-visible inclusions throughout and minimal translucency. Tanzanite is already one thousand times rarer than diamonds and given that it is only 6.5 on the Mohs scale, many pieces are accidentally destroyed.
    AU $24.86
    From United Kingdom
    Free postage
  • 8Piece Natural Tanzanite Gemstone Round 6MM Approx Cabochon Lot S10

    Gemstone :- Tanzenite. We believe in solving the issues. Sorry.
    AU $35.99
    From India
    Free postage
  • VERY RARE 8x6mm OVAL CABOCHON-CUT NATURAL TANZANITE GEMSTONE (APP )

    This is a very rare, stunning purple/blue, oval cabochon-cut, natural Tanzanite gemstone. It weighs 1.65cts, measures 8x6mm and has eye-visible inclusions throughout. Tanzanite is already one thousand times rarer than diamonds and given that it is only 6.5 on the Mohs scale, many pieces are accidentally destroyed.
    AU $15.73
    From United Kingdom
    Free postage
  • RARE 8mm ROUND CABOCHON-CUT LIGHT PURPLE/BLUE NATURAL TANZANITE GEM (APP )

    This is a rare, stunning purple/blue, round cabochon-cut, natural Tanzanite gemstone. It weighs 3.00cts, measures 8mm and has eye-visible inclusions throughout. Tanzanite is already one thousand times rarer than diamonds and given that it is only 6.5 on the Mohs scale, many pieces are accidentally destroyed.
    AU $26.84
    From United Kingdom
    Free postage
  • Natural Violetish blue Tanzanite Loose Gemstone

    Very nice Gem stone to own in collection or to make a ring or pendant
    AU $120.00
    0 bidsEnding 29 Sep at 21:59 AEST6d 23h
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