Quarterly Crystal: Spessartine in California Quartz
Unique Fingerprint in Montana Sapphire
Heliodor and Aquamarine with Surface Etching
Hexagonal etch features are observed on the prismatic faces of heliodor and aquamarine crystals.
Square-Shaped Cloud in Diamond
A natural faceted diamond displays a prominent square-shaped cloud under the table.
“Conch Shell” in Diamond
Fireworks in Ruby
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