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

1.01 ct Oval Sillimanite Cat's Eye, 6.4 x 6.2 mm From Madagascar

0.83 ct Oval Sillimanite Cat's Eye, 7.2 x 4.4 mm From Madagascar

0.73 ct Oval Sillimanite Cat's Eye, 6.6 x 4.6 mm From Madagascar

0.86 ct Oval Sillimanite Cat's Eye, 6.1 x 4.3 mm From Madagascar

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

1.3 ct Oval Sillimanite Cat's Eye, 7.2 x 5.2 mm From Madagascar

0.93 ct Oval Sillimanite Cat's Eye, 6.8 x 4.1 mm From Madagascar

1.94 ct Oval Sillimanite Cat's Eye, 6.8 x 5.3 mm From Madagascar

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

0.73 ct Oval Sillimanite Cat's Eye, 7.3 x 5.3 mm From Madagascar

1.56 ct Oval Sillimanite Cat's Eye, 6.8 x 6.2 mm From Madagascar

0.94 ct Oval Sillimanite Cat's Eye, 7.1 x 4.7 mm From Madagascar

1.46 ct Oval Sillimanite Cat's Eye, 7.7 x 4.4 mm From Madagascar

2.36 ct Oval Sillimanite Cat's Eye, 7.5 x 5.1 mm From Madagascar

1.67 ct Oval Sillimanite Cat's Eye, 6.8 x 5 mm From Madagascar

1.34 ct Oval Sillimanite Cat's Eye, 7.5 x 4.7 mm From Madagascar

1.65 ct Oval Sillimanite Cat's Eye, 7.9 x 5.2 mm From Madagascar

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

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

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

1.35 ct Oval Sillimanite Cat's Eye, 7.9 x 4.6 mm From Madagascar

1.49 ct Oval Sillimanite Cat's Eye, 7.9 x 5.5 mm From Madagascar

1.43 ct Oval Sillimanite Cat's Eye, 6.6 x 3.8 mm From Madagascar

1.53 ct Oval Sillimanite Cat's Eye, 7.7 x 5.1 mm From Madagascar

0.83 ct Oval Sillimanite Cat's Eye, 7 x 4.5 mm From Madagascar

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

1.07 ct Oval Sillimanite Cat's Eye, 7.7 x 5.6 mm From Madagascar

1.24 ct Oval Sillimanite Cat's Eye, 7.5 x 5 mm From Madagascar

0.59 ct Oval Sillimanite Cat's Eye, 6.7 x 3.8 mm From Madagascar

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

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

1.29 ct Oval Sillimanite Cat's Eye, 7.3 x 5.2 mm From Madagascar

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