Loose Sillimanite Cat's Eye for Sale - In Stock, ready to Ship

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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Sillimanite Cat's Eye

Gemstones A-Z

0.99 ct Oval Sillimanite Cat's Eye, 6.9 x 4.6 mm From Madagascar

1.47 ct Oval Sillimanite Cat's Eye, 7.8 x 5.6 mm From Madagascar

0.96 ct Oval Sillimanite Cat's Eye, 7.4 x 5.5 mm From Madagascar

1.13 ct Oval Sillimanite Cat's Eye, 6.7 x 4.7 mm From Madagascar

1.43 ct Oval Sillimanite Cat's Eye, 7 x 4.4 mm From Madagascar

2.76 ct Oval Sillimanite Cat's Eye, 9.4 x 6.6 mm From Madagascar

1.63 ct Oval Sillimanite Cat's Eye, 7.4 x 5.2 mm From Madagascar

0.87 ct Oval Sillimanite Cat's Eye, 6.6 x 4.7 mm From Madagascar

1.19 ct Oval Sillimanite Cat's Eye, 7.2 x 5.1 mm From Madagascar

0.99 ct Oval Sillimanite Cat's Eye, 6 x 5.7 mm From Madagascar

1.15 ct Oval Sillimanite Cat's Eye, 7.4 x 4.7 mm From Madagascar

1 ct Oval Sillimanite Cat's Eye, 7.2 x 5 mm From Madagascar

0.95 ct Oval Sillimanite Cat's Eye, 7 x 4.6 mm From Madagascar

1.3 ct Oval Sillimanite Cat's Eye, 6.6 x 5 mm From Madagascar

1.41 ct Oval Sillimanite Cat's Eye, 7.6 x 5.1 mm From Madagascar

0.88 ct Oval Sillimanite Cat's Eye, 6.9 x 4.5 mm From Madagascar

1.95 ct Oval Sillimanite Cat's Eye, 6.7 x 4.2 mm From Madagascar

2.32 ct Oval Sillimanite Cat's Eye, 7.1 x 5.1 mm From Madagascar

4.08 ct Oval Sillimanite Cat's Eye, 7.1 x 4.8 mm From Madagascar

1.06 ct Oval Sillimanite Cat's Eye, 6.7 x 4.1 mm From Madagascar

1 ct Oval Sillimanite Cat's Eye, 6.5 x 4.2 mm From Madagascar

0.85 ct Oval Sillimanite Cat's Eye, 6.5 x 4.3 mm From Madagascar

1.02 ct Oval Sillimanite Cat's Eye, 7.4 x 5.1 mm From Madagascar

1.22 ct Oval Sillimanite Cat's Eye, 6.7 x 5.4 mm From Madagascar

1.58 ct Oval Sillimanite Cat's Eye, 6.4 x 4.2 mm From Madagascar

1.21 ct Oval Sillimanite Cat's Eye, 7.6 x 4.7 mm From Madagascar

1.47 ct Oval Sillimanite Cat's Eye, 7.7 x 5.5 mm From Madagascar

2.47 ct Oval Sillimanite Cat's Eye, 7.3 x 4.7 mm From Madagascar

0.84 ct Oval Sillimanite Cat's Eye, 6.5 x 4.7 mm From Madagascar

0.77 ct Oval Sillimanite Cat's Eye, 7.4 x 4.5 mm From Madagascar

0.9 ct Oval Sillimanite Cat's Eye, 5.4 x 5.2 mm From Madagascar

1.4 ct Oval Sillimanite Cat's Eye, 7.6 x 5 mm From Madagascar

Gemstone Information

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