• Hardness

  7.0.

• Occurrence

  Madagascar, North America, Brazil, Myanmar (Burma), Africa, Siberia, Australia, Sri Lanka (Ceylon). Tourmaline and opal are the birthstones of the month of October. Tourmaline is the national gemstone of the United States.

• Appearance

  Pink to reddish in color.

• Enhancements

  Pink, red and purple tourmaline is occasionally heat treated to improve color.

  More information on gemstone enhancements.

• Tourmaline Gemstone Family

  •  Tourmaline
  •  Bi-color Tourmaline
  •  Schorl
  •  Chrome Tourmaline
  •  Cat's Eye Tourmaline
  •  Golden Tourmaline
  •  Green Tourmaline
  •  Indicolite
  •  Orange Tourmaline
  •  Pink Tourmaline
  •  Paraiba Tourmaline
  •  Rubellite
  •  Watermelon Tourmaline
  •  Colorless Tourmaline
  •  Yellow Tourmaline

• Item #TRM427
  	1.82 ct. total
  	8.0x5.1mm Oval Cut
  	Dark
  	Vivid Reddish Purple
  	Slightly Included
  	[H] Heated to improve color.
  	only one pair available
  Hot Pink Tourmaline	$ 369.99/pair

• Item #TRM211
  	1.08 ct.
  	6.5x4.5mm Emerald Cut
  	Medium
  	Strong Red
  	Very Very Slightly Included
  	[H] Heated to improve color.
  	one of a kind
  Pink Tourmaline	$ 94.99

• Item #TRM322
  	3.11 ct.
  	9.9x7.6mm Emerald Cut
  	Medium
  	Strong Reddish Purple
  	Very Slightly Included
  	[H] Heated to improve color.
  	one of a kind
  Pink Tourmaline	$ 299.99

• Item #TRM289
  	1.54 ct. total
  	6.0mm Trillion Cut
  	Medium
  	Vivid Slightly Purplish Red
  	Very Very Slightly Included
  	[H] Heated to improve color.
  	only one pair available
  Hot Pink Tourmaline	$ 184.99/pair

• Item #TRM563
  	3.47 ct.
  	9.9x7.9mm Cabochon, Oval Cut
  	Light
  	Strong Reddish Purple
  	Moderately Included
  	[H] Heated to improve color.
  	one of a kind
  Pink Tourmaline	$ 84.99

• Item #TRM428
  	0.95 ct.
  	7.0x4.9mm Cushion Cut
  	Dark
  	Vivid Reddish Purple
  	Slightly Included
  	[H] Heated to improve color.
  	one of a kind
  Pink Tourmaline	$ 154.99

• Item #TRM321
  	2.31 ct.
  	10.5x6.1mm Fancy, Lazer Cut
  	Medium
  	Vivid Reddish Purple
  	Loupe Clean
  	[H] Heated to improve color.
  	one of a kind
  Pink Tourmaline	$ 284.99

• Item #TRM494
  	5.71 ct.
  	16.2x7.3mm Emerald, Millenium Cut
  	Medium Light
  	Moderately Strong Red-Orange
  	Slightly Included
  	[N] Not enhanced.
  	one of a kind
  Pink Tourmaline	$ 354.99

Calibrated Gemstones
Calibrated Gemstones by Shape

Specify size, shape and quality when ordering. Prices are subject to change without notice. Actual carat weight may vary from the average carat weight listed.

• AAA Eye clean, medium dark color, vivid pink, good cut..
• AA Eye clean, medium color, bright pink, good cut..
• A Eye clean, medium light color, bright pink, good cut..

Pink Tourmaline		Quality	AAA	AA	A
Shape	Size	Avg. Weight	Price Each
Round	1.5mm	0.02		$ 8	$ 8
	1.75mm	0.03	$ 9	$ 9	$ 8
	2mm	0.04	$ 9	$ 9	$ 8
	2.25mm	0.05	$ 10	$ 9	$ 8
	2.5mm	0.075	$ 13	$ 12	$ 11
	2.75mm	0.09	$ 16	$ 15	$ 14
	3mm	0.12	$ 20	$ 18	$ 16
	3.25mm	0.15	$ 24	$ 20	$ 17
	3.5mm	0.19	$ 28	$ 26	$ 23
	3.75mm	0.22	$ 33	$ 32	$ 28
	4mm	0.28		$ 39	$ 35
	4.5mm	0.40		$ 56	$ 50
	5mm	0.55		$ 78
	5.5mm	0.75	$ 112	$ 108
Oval	5x3mm	0.28		$ 35	$ 30
	6x4mm	0.50		$ 70	$ 62
	7x5mm	0.85		$ 125	$ 114
	8x6mm	1.35		$ 223	$ 193
	9x7mm	2.10		$ 363	$ 331
	10x8mm	3.10		$ 814	$ 721
Pear	5x3mm	0.24	$ 33	$ 30	$ 26
	6x4mm	0.45	$ 72	$ 65	$ 58
	7x5mm	0.68	$ 116	$ 108	$ 97
	8x5mm	0.80	$ 132	$ 123	$ 111
	8x6mm	1.20	$ 225
	9x6mm	1.50	$ 282	$ 248
Marquise	4x2mm	0.08		$ 13
	5x2.5mm	0.14		$ 23	$ 21
	6x3mm	0.25		$ 41
	7x3.5mm	0.37	$ 67	$ 61	$ 55
	8x4mm	0.55		$ 85
	9x4.5mm	0.90	$ 143	$ 134	$ 122
	10x5mm	1.10	$ 190	$ 165
Emerald	5x3mm	0.35	$ 54	$ 47	$ 42
	6x4mm	0.60	$ 91	$ 84	$ 76
	7x5mm	1.10	$ 165	$ 149	$ 138
	8x6mm	1.65	$ 495	$ 273
	9x7mm	2.85		$ 535
	10x8mm	3.95		$ 889
Square (Step)	2.25mm	0.07		$ 9
	2.5mm	0.11	$ 19	$ 16
	2.75mm	0.13	$ 22	$ 20
	3mm	0.16	$ 26	$ 24
	3.5mm	0.25	$ 39	$ 35
	4mm	0.35	$ 59	$ 54
	4.5mm	0.45	$ 72	$ 67
	5mm	0.70	$ 120	$ 110	$ 101
	5.5mm	0.80	$ 132	$ 123	$ 112
	6mm	1.20	$ 234	$ 207
Heart	3mm	0.10		$ 17	$ 17
	4mm	0.25		$ 37
	5mm	0.48		$ 75
	6mm	0.80	$ 140	$ 134
Trillion	3mm	0.12		$ 20
	4mm	0.23		$ 35
	4.5mm	0.30	$ 47	$ 44	$ 39
	5mm	0.42	$ 70	$ 66	$ 58
	5.5mm	0.50	$ 83	$ 77	$ 67
	6mm	0.72	$ 140	$ 122
	6.5mm	0.95		$ 148	$ 135
	7mm	1.15	$ 225	$ 199	$ 173
	7.5mm	1.50	$ 293	$ 259
	8mm	1.75		$ 315
Straight Baguette	4x2mm	0.14		$ 21	$ 17
	5x2mm	0.17		$ 29	$ 26
	6x3mm	0.35		$ 59	$ 53
Princess	2.25mm	0.06	$ 11	$ 10
	2.5mm	0.10	$ 19	$ 16	$ 14
	2.75mm	0.12	$ 21	$ 19	$ 17
	3mm	0.16	$ 26	$ 23	$ 21
	3.5mm	0.25	$ 40	$ 33	$ 30
	4mm	0.35	$ 60	$ 54	$ 49
	4.5mm	0.45	$ 72	$ 67	$ 60
	5mm	0.65	$ 114	$ 106	$ 96
	5.5mm	0.75		$ 118
	6mm	1.10	$ 215
	8mm	2.80	$ 714	$ 630
Cabochon, Round	3mm	0.17		$ 11
	4mm	0.35		$ 23
	5mm	0.72		$ 70
	6mm	1.10		$ 85
Cabochon, Oval	5x3mm	0.35		$ 21
	6x4mm	0.60		$ 33
	7x5mm	1.20		$ 61
	8x6mm	1.65		$ 84
Antique Cushion	6x4mm	0.60	$ 98	$ 91
	7x5mm	1.00		$ 145
	8x6mm	1.50	$ 293
	9x7mm	2.25	$ 456
	10x8mm	3.20	$ 960	$ 888
Briolette	6x4mm	0.75		$ 78
Antique, Checkerboard Top	5mm	0.70	$ 119
	7mm	1.57	$ 330
Antique Cushion, Checkerboard Top	7x5mm	1.00		$ 145
	8x6mm	1.65	$ 322	$ 285
	9x7mm	2.25		$ 422

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Last updated April 2, 2012
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