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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- |
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8.01 ct. Elongated Emerald Cut, Bright Medium Bluish Green Tourmaline |
$801.00 |
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7.84 ct. Emerald Cut, Bright Medium Forest Green Tourmaline |
$627.00 |
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7.60 ct. Emerald Cut, Rich Medium Forest Green Tourmaline |
$608.00 |
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6.01 ct. Cushion Cut, Rich Forest Green Tourmaline |
$601.00 |
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4.71 ct. Emerald Cut, Bright Rich Forest Green Tourmaline |
$565.00 |
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6.60 ct. Emerald Cut, Rich Medium Forest Green Tourmaline |
$528.00 |
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4.27 ct. Emerald Cut, Deep Green Tourmaline with a Touch of Blue |
$507.00 |
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4.17 ct. Elongated Emerald Cut, Vivid Bluish Green Tourmaline |
$500.00 |
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4.85 ct. Emerald Cut, Bright Medium Forest Green Tourmaline |
$485.00 |
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5.43 ct. Emerald Cut, Rich Medium Forest Green Tourmaline |
$484.00 |
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4.02 ct. Elongated Emerald Cut, Vivid Bluish Green Tourmaline |
$482.00 |
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3.77 ct. Elongated Emerald Cut, Vivid Bluish Green Tourmaline |
$452.00 |
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4.32 ct. Cushion Cut, Rich Forest Green Tourmaline |
$432.00 |
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5.30 ct. Emerald Cut, Rich Medium Forest Green Tourmaline |
$424.00 |
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3.89 ct. Emerald Cut, Deep Green Tourmaline with a Touch of Blue |
$411.00 |
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3.34 ct. Cushion Cut, Vivid Bluish Green Tourmaline |
$353.00 |
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3.47 ct. Emerald Cut, Medium Forest Green Tourmaline |
$321.00 |
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3.38 ct. Cushion Cut, Bright Rich Forest Green Tourmaline |
$304.00 |
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2.93 ct. Emerald Cut, Vivid Bluish Green Tourmaline |
$293.00 |
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3.24 ct. Elongated Emerald Cut, Deep Green Tourmaline with a Tourmaline |
$292.00 |
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3.03 ct. Cushion Cut, Vibrant Teal Green Tourmaline |
$260.00 |
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2.76 ct. Cushion Cut, Rich Medium Forest Green Tourmaline |
$255.00 |
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3.44 ct. Emerald Cut, Bright Medium Forest Green Tourmaline |
$250.00 |
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3.03 ct. Modified Emerald Cut, Medium Forest Green Tourmaline |
$242.00 |
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3.32 ct. Cushion Cut, Bright Medium Forest Green Tourmaline |
$241.00 |
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2.55 ct. Emerald Cut, Rich Forest Green Tourmaline |
$230.00 |
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2.80 ct. Emerald Cut, Bright Forest Green Tourmaline |
$224.00 |
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2.60 ct. Elongated Emerald Cut, Rich Forest Green Tourmaline |
$208.00 |
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2.51 ct. Emerald Cut, Medium Forest Green Tourmaline |
$201.00 |
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2.22 ct. Elongated Emerald Cut, Rich Forest Green Tourmaline |
$198.00 |
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