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ID: 4103724 pcs
thumb image of 3.1ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 410372)
3.10 ct Sillimanite Cat's Eye
6.7 x 4.4 mm
$ 11.22
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ID: 4102912 pcs
thumb image of 3ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 410291)
2.95 ct Sillimanite Cat's Eye
8.4 x 4.9 mm
$ 10.68
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ID: 4099892 pcs
thumb image of 2.9ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 409989)
2.94 ct Sillimanite Cat's Eye
7.7 x 5 mm
$ 10.64
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ID: 4103402 pcs
thumb image of 3.2ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 410340)
3.18 ct Sillimanite Cat's Eye
8.1 x 5.5 mm
$ 11.51
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ID: 4103422 pcs
thumb image of 3.2ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 410342)
3.19 ct Sillimanite Cat's Eye
7.6 x 5.5 mm
$ 11.55
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ID: 4103012 pcs
thumb image of 2.9ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 410301)
2.86 ct Sillimanite Cat's Eye
7.9 x 5.2 mm
$ 10.35
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ID: 4102014 pcs
thumb image of 3.2ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 410201)
3.20 ct Sillimanite Cat's Eye
6.5 x 4.1 mm
$ 11.58
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ID: 4099932 pcs
thumb image of 2.8ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 409993)
2.80 ct Sillimanite Cat's Eye
8 x 5.3 mm
$ 10.14
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ID: 4098924 pcs
thumb image of 3.2ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 409892)
3.24 ct Sillimanite Cat's Eye
6.6 x 4.1 mm
$ 11.73
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ID: 4099662 pcs
thumb image of 2.8ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 409966)
2.79 ct Sillimanite Cat's Eye
7.8 x 5.5 mm
$ 10.10
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ID: 4098914 pcs
thumb image of 3.3ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 409891)
3.29 ct Sillimanite Cat's Eye
6.4 x 4.4 mm
$ 11.91
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ID: 4100622 pcs
thumb image of 2.8ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 410062)
2.79 ct Sillimanite Cat's Eye
8.1 x 5.1 mm
$ 10.10
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ID: 4107551 pcs
thumb image of 1.7ct Oval Cabochon Grayish Brown Sillimanite Cat's Eye (ID: 410755)
1.73 ct Sillimanite Cat's Eye
7.7 x 5.7 mm
$ 12.11
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ID: 4099712 pcs
thumb image of 2.7ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 409971)
2.69 ct Sillimanite Cat's Eye
7.5 x 5 mm
$ 9.74
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ID: 4103674 pcs
thumb image of 3.5ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 410367)
3.50 ct Sillimanite Cat's Eye
6.7 x 4.2 mm
$ 12.67
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ID: 4100602 pcs
thumb image of 2.6ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 410060)
2.64 ct Sillimanite Cat's Eye
7.7 x 5.1 mm
$ 9.56
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ID: 4100752 pcs
thumb image of 2.6ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 410075)
2.62 ct Sillimanite Cat's Eye
7.5 x 5.2 mm
$ 9.48
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ID: 4103492 pcs
thumb image of 2.9ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 410349)
2.88 ct Sillimanite Cat's Eye
7.7 x 5.6 mm
$ 10.43
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ID: 4098984 pcs
thumb image of 3.6ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 409898)
3.64 ct Sillimanite Cat's Eye
6.9 x 4.3 mm
$ 13.18
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ID: 4105761 pcs
thumb image of 1.8ct Oval Cabochon Grayish Brown Sillimanite Cat's Eye (ID: 410576)
1.84 ct Sillimanite Cat's Eye
7.7 x 5.8 mm
$ 12.88
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ID: 4100632 pcs
thumb image of 2.6ct Oval Cabochon Smoke Sillimanite Cat's Eye (ID: 410063)
2.57 ct Sillimanite Cat's Eye
7.9 x 5.6 mm
$ 9.30
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Sillimanite Cat's Eye
Sillimanite is an aluminum silicate, related to both andalusite and kyanite. In fact these three minerals are polymorphs - they share the same chemical composition but different crystal structures.

Sillimanite is named after the American chemist Benjamin Silliman (1779-1864). Silliman was one of the first American professors of science and taught at Yale University.
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Size and Weight

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diameter x depth

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Note: 1ct = 0.2g

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