Micro-WorldSummer 2024 - Volume 60, Issue 2, Summer 2024, Vol. 60, No. 2

Unique Fingerprint in Montana Sapphire

Isabelle Corvin

The group of fingerprint and crystal inclusions shown in the figure above forms a unique and uncanny shape within a 6 × 4 mm heated Montana sapphire. The pattern displays a bird, complete with iridescence along the “wings” and a prominent included crystal as the “eye.” The angle of the bird within the sapphire adds depth and movement to the pattern.

Isabelle Corvin is a gemologist in Olympia, Washington.

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Unique Fingerprint in Montana Sapphire