• Hardness

  5.5 - 6.5.

• Occurrence

  Australia, former Czechoslovakia, U.S., Brazil, Mexico and southern Africa. Opal and tourmaline are the birthstones of the month of October.

• Appearance

  Orangish yellow to dark red. The reddish fire opal is sometimes called "cherry opal".

• Enhancements

  Mexican fire opal is not enhanced.

  More information on gemstone enhancements.

• Mexican Fire Opal

  • Item #OPL320
    	0.69 ct.
    	7.7x4.5mm Rectangle Cut
    	Medium
    	Strong Yellowish Orange
    	Slightly Translucent
    	[N] Not enhanced.
    	one of a kind
    Mexican Fire Opal	$ 34.99

• Calibrated Mexican Fire Opal

  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 to dark orange, faceted, good cut.

  Mexican Fire Opal		Quality	AA
  Shape	Size	Avg. Weight	Price Each
  Round	2mm	0.02	$ 7
  	2.5mm	0.04	$ 7
  	3mm	0.07	$ 9
  	3.5mm	0.12	$ 11
  	4mm	0.18	$ 18
  	4.5mm	0.25	$ 28
  	5mm	0.33	$ 42
  	6mm	0.58	$ 96
  Oval	4x3mm	0.11	$ 12
  	5x3mm	0.14	$ 16
  	6x4mm	0.28	$ 24
  	7x5mm	0.56	$ 56
  	8x6mm	0.89	$ 112
  	9x7mm	1.40	$ 195
  	10x8mm	1.76	$ 288
  Pear	5x3mm	0.11	$ 16
  	6x4mm	0.26	$ 24
  	7x5mm	0.43	$ 52
  	8x5mm	0.57	$ 70
  Trillion	4mm	0.11	$ 24
  	5mm	0.18	$ 46
  	6mm	0.29	$ 96

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Last updated December 7, 2007
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