• Hardness

  7.0.

• Occurrence

  South Africa, Sri Lanka (Ceylon), India, Brazil, Australia and the U.S..

• Appearance

  Similar in appearance to Hawk's eye, or Tiger's eye. Chatoyancy, appearing in these varieties of quartz, is caused by fibrous inclusions. They are generally cut en cabochon, but is often cut into round pieces for necklaces and pendants. A golden yellow reflection on a brown stone is called tiger's-eye. If the stone is blue-grey or bluish, it's colored by crocidolite, and is known as hawk's-eye. A darker brown, or mahogany-colored stone is known as bull's-eye or ox-eye.

• Enhancements

  Petersite is not enhanced.

  More information on gemstone enhancements.

• Petersite

  • Item #QUA618
    	17.46 ct.
    	30.2x22.2mm Cabochon, Oval Cut
    	Medium
    	Grayish Blue
    	Opaque
    	[N] Not enhanced.
    	one of a kind
    These are similar in apperance to hawk's eye.
    Petersite Quartz	$ 44.99

  • Item #QUA619
    	16.27 ct.
    	30.2x22.2mm Cabochon, Oval Cut
    	Medium
    	Grayish Blue
    	Opaque
    	[N] Not enhanced.
    	one of a kind
    These are similar in apperance to hawk's eye.
    Petersite Quartz	$ 39.99

  • Item #QUA768
    	3.56 ct.
    	14.1x10.2mm Cabochon, Oval Cut
    	Medium
    	Grayish Blue
    	Opaque
    	[N] Not enhanced.
    	one of a kind
    With areas of Reddish Orange, Black, and Yellow Orange.
    Petersite Quartz	$ 14.99

  • Item #QUA770
    	18.31 ct.
    	25.3x18.2mm Cabochon, Pear Cut
    	Medium Light
    	Grayish Blue
    	Opaque
    	[N] Not enhanced.
    	one of a kind
    With areas of Reddish Orange, Black, and Golden Yellow
    Petersite Quartz	$ 54.99

  • Item #QUA771
    	17.74 ct.
    	25.3x18.3mm Cabochon, Pear Cut
    	Medium Light
    	Grayish Blue
    	Opaque
    	[N] Not enhanced.
    	one of a kind
    With areas of Reddish Orange, Brown, and Golden Yellow.
    Petersite Quartz	$ 54.99

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Last updated June 23, 2008
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