• Hardness

  7.0.

• Occurrence

  Bolivia, Brazil. Several suppliers have indicated that the ametrine mines have run out. Quality material is now very difficult to obtain.

• Appearance

  Quartz crystals that are part amethyst, and part citrine are called ametrine. Ametrine is found naturally, and is not the result of heat treatment or any other enhancement. Bi-colored quartz is similar, but is a combination of citrine and smoky quartz, or amethyst and colorless quartz.

• Enhancements

  Ametrine is not enhanced.

  More information on gemstone enhancements.

• Ametrine

  • Item #QAM172
    	19.64 ct.
    	18.9x14.7mm Emerald Cut
    	Medium Dark
    	Vivid Yellowish Orange
    	Very Slightly Included
    	[N] Not enhanced.
    	one of a kind
    on two thirds. The other third is medium dark, vivid bluish purple.
    Ametrine Quartz	$ 289.99

  • Item #QAM202
    	31.99 ct.
    	18.4x16.7mm Emerald Cut
    	Dark
    	Vivid Yellowish Orange
    	Loupe Clean
    	[N] Not enhanced.
    	one of a kind
    on two thirds. The other third is dark, vivid bluish purple.
    Ametrine Quartz	$ 709.99

  • Item #QAM204
    	22.54 ct.
    	18.4x15.7mm Emerald Cut
    	Dark
    	Vivid Yellowish Orange
    	Loupe Clean
    	[N] Not enhanced.
    	~
    on two thirds. The other third is dark, vivid bluish purple.
    Ametrine Quartz	SOLD

  • Item #QAM209
    	35.34 ct.
    	20.2x18.0mm Emerald Cut
    	Medium
    	Vivid Yellowish Orange
    	Loupe Clean
    	[N] Not enhanced.
    	one of a kind
    on two thirds. The other third is dark, vivid bluish purple.
    Ametrine Quartz	$ 654.99

  • Item #QAM216
    	18.10 ct.
    	18.3x16.8mm Cabochon, Oval Cut
    	Medium
    	Strong Bluish Violet/Yellowish Orange
    	Moderately Included
    	[N] Not enhanced.
    	one of a kind
    Ametrine Quartz	$ 134.99

  • Item #QAM217
    	20.27 ct.
    	17.7x16.6mm Cabochon, Cushion Cut
    	Medium
    	Strong Bluish Violet/Yellowish Orange
    	Moderately Included
    	[N] Not enhanced.
    	one of a kind
    Ametrine Quartz	$ 149.99

  • Item #QAM195
    	217.00 ct.
    	39.0x28.0mm Pyramid
    	Medium Dark
    	Strong Bluish Purple
    	Heavily Included
    	[N] Not enhanced.
    	one of a kind
    with areas of yellow orange citrine and white.
    Ametrine Quartz	$ 94.99

  • Item #QAM197
    	283.00 ct.
    	41.0x32.0mm Pyramid
    	Medium
    	Strong Bluish Purple
    	Heavily Included
    	[N] Not enhanced.
    	one of a kind
    with areas of yellow orange citrine and white.
    Ametrine Quartz	$ 124.99

  • Item #QAM198
    	345.00 ct.
    	44.0x32.0mm Pyramid
    	Medium
    	Strong Bluish Purple
    	Heavily Included
    	[N] Not enhanced.
    	one of a kind
    with areas of yellow orange citrine and white.
    Ametrine Quartz	$ 149.99

  • Item #QAM199
    	357.00 ct.
    	45.0x35.0mm Pyramid
    	Medium
    	Strong Bluish Purple
    	Heavily Included
    	[N] Not enhanced.
    	one of a kind
    with areas of yellow orange citrine and white.
    Ametrine Quartz	$ 154.99

  • Item #QAM179
    	1686.80 ct.
    	61.5mm Sphere
    	Medium Dark
    	Strong Bluish Purple
    	Heavily Included
    	[N] Not enhanced.
    	one of a kind
    with areas of yellow orange citrine and white.
    Ametrine Quartz	$ 254.99

• Calibrated Ametrine

  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.

  • AA Eye clean, medium light purple and medium light golden yellow, little or no color zoning..
  • A Eye clean, light purple and light golden yellow, little or no color zoning..

  Ametrine		Quality	AA	A
  Shape	Size	Avg. Weight	Price Each
  Emerald	7x5mm	0.74	$ 24
  	8x6mm	1.18	$ 39
  	9x7mm	1.86	$ 51	$ 32
  	10x8mm	2.26	$ 61	$ 43
  	11x9mm	3.01	$ 84	$ 60
  	12x10mm	3.76	$ 98	$ 73
  	14x10mm	7.17	$ 127	$ 94
  	16x12mm	11.71	$ 195	$ 154
  	18x13mm	15.24	$ 226
  Antique Cushion	9x7mm	2.01		$ 25
  	10x8mm	2.53	$ 45	$ 33
  	12x10mm	5.56	$ 81	$ 58

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Last updated April 18, 2008
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