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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (131): Sillimanite Cat's Eye Sillimanite Cat's Eye Clear All
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ID: 4104274 pcs
4.54ctw Sillimanite Cat's Eye
6.40 x 3.27mm
USD 16.43
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ID: 4099932 pcs
2.80ctw Sillimanite Cat's Eye
7.98 x 5.34 x 3.94mm
USD 10.14
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ID: 4101762 pcs
2.71ctw Sillimanite Cat's Eye
7.18 x 4.87 x 4.23mm
USD 9.81
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ID: 4103012 pcs
2.86ctw Sillimanite Cat's Eye
7.86 x 5.22 x 3.91mm
USD 10.35
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ID: 4098994 pcs
3.93ctw Sillimanite Cat's Eye
7.11 x 4.66 x 3.51mm
USD 14.23
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ID: 4102062 pcs
2.93ctw Sillimanite Cat's Eye
7.73 x 5.49 x 4.08mm
USD 10.61
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ID: 4104264 pcs
4.49ctw Sillimanite Cat's Eye
7.14 x 4.66 x 4.13mm
USD 16.25
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ID: 4099712 pcs
2.69ctw Sillimanite Cat's Eye
7.52 x 4.95 x 4.15mm
USD 9.74
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ID: 4105761 pcs
1.84ct Sillimanite Cat's Eye
7.72 x 5.79 x 4.57mm
USD 12.88
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ID: 4102014 pcs
3.20ctw Sillimanite Cat's Eye
6.54 x 4.09 x 3.43mm
USD 11.58
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ID: 4103714 pcs
3.76ctw Sillimanite Cat's Eye
7.33 x 4.75 x 2.93mm
USD 13.61
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ID: 4099692 pcs
2.32ctw Sillimanite Cat's Eye
7.62 x 5.08 x 3.54mm
USD 8.40
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ID: 4100752 pcs
2.62ctw Sillimanite Cat's Eye
7.51 x 5.19 x 3.81mm
USD 9.48
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ID: 4104042 pcs
2.60ctw Sillimanite Cat's Eye
7.89 x 5.32 x 3.67mm
USD 9.41
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ID: 4103734 pcs
3.77ctw Sillimanite Cat's Eye
7.25 x 5.02 x 2.82mm
USD 13.65
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ID: 4106031 pcs
2.99ct Sillimanite Cat's Eye
10.28 x 7.51 x 4.41mm
USD 20.93
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ID: 4098924 pcs
3.24ctw Sillimanite Cat's Eye
6.59 x 4.08 x 3.45mm
USD 11.73
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ID: 4099642 pcs
2.46ctw Sillimanite Cat's Eye
7.40 x 5.54 x 3.35mm
USD 8.91
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ID: 4107161 pcs
2.41ct Sillimanite Cat's Eye
8.39 x 6.14 x 5.09mm
USD 16.87
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ID: 4100772 pcs
2.39ctw Sillimanite Cat's Eye
7.72 x 4.92 x 3.58mm
USD 8.65
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ID: 4105961 pcs
2.87ct Sillimanite Cat's Eye
8.72 x 6.39 x 5.70mm
USD 20.09
Item in Stock
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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

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

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