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Tourmaline Gemstones
- Crystal system: Trigonal
- Chemical composition: Borosilicate complex
- Color: Green
- Hardness: 7.0 - 7.5
- Specific gravity: 3.06
- Refractive index: 1.62 - 1.64
- Dispersion: 0.017
- Pleochroism: pale green, dark green
- Enhancements: Some very dark green and dark blue green tourmalines are heated to lighten their colors. The treatment is permanent and only occasionally performed.
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Product Name+ |
Price |
Buy Now |
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0.87 ct. Emerald Cut, Medium Teal Green Tourmaline |
$44.00 |
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0.94 ct. Baguette Deep Green Tourmaline with a Touch of Blue |
$50.00 |
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0.94 ct. Emerald Cut, Medium Bluish Green Tourmaline |
$62.00 |
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1.04 ct. Pear Shape, Bright Bluish Green Tourmaline |
$83.00 |
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1.15 ct. Emerald Cut, Deep Bluish Green Tourmaline |
$76.00 |
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1.18 ct. Pear Shape, Deep Bluish Green Tourmaline |
$95.00 |
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1.23 ct. Emerald Cut, Rich Deep Green Tourmaline |
$65.00 |
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1.41 ct. Emerald Cut, Bright Bluish Green Tourmaline |
$113.00 |
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1.42 ct. Oval Blue-Green Cat's Eye Tourmaline with a Sharp Silver "Eye" |
$75.00 |
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1.48 ct. Cushion Cut, Bright Medium Forest Green Tourmaline |
$89.00 |
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1.51 ct. Emerald Cut, Deep Bluish Green Tourmaline |
$109.00 |
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1.52 ct. Emerald Cut, Bright Medium Forest Green Tourmaline |
$92.00 |
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1.53 ct. Emerald Cut, Bright Bluish Green Tourmaline |
$92.00 |
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1.55 ct. Emerald Cut, Medium Teal Green Tourmaline |
$102.00 |
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1.65 ct. Elongated Emerald Cut, Deep Bluish Green Tourmaline |
$132.00 |
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1.66 ct. Emerald Cut, Deep Bluish Green Tourmaline |
$133.00 |
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1.69 ct. Oval, Rich Deep Forest Green Tourmaline |
$101.00 |
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1.72 ct. Emerald Cut, Deep Bluish Green Tourmaline |
$131.00 |
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1.74 ct. Oval, Rich Deep Green Tourmaline |
$126.00 |
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1.76 ct. Elongated Emerald Cut, Bright Bluish Green Tourmaline |
$141.00 |
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1.76 ct. Emerald Cut, Deep Bluish Green Tourmaline |
$116.00 |
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1.76 ct. Modified Emerald Cut, Deep Bluish Green Tourmaline |
$116.00 |
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1.77 ct. Modified Emerald Cut, Medium Teal Green Tourmaline |
$117.00 |
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1.84 ct. Emerald Cut, Rich Deep Green Tourmaline |
$98.00 |
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1.91 ct. Emerald Cut, Rich Forest Green Tourmaline |
$153.00 |
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1.97 ct. Emerald Cut, Vivid Teal Green Tourmaline |
$169.00 |
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2.14 ct. Elongated Emerald Cut, Rich Forest Green Tourmaline |
$171.00 |
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2.14 ct. Mod. Emerald Cut, Nice Deep Green Tourmaline |
$107.00 |
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2.14 ct. Modified Emerald Cut, Vivid Forest Green Tourmaline |
$141.00 |
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2.22 ct. Elongated Emerald Cut, Rich Forest Green Tourmaline |
$198.00 |
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