Under the Microscope



Cobalt spinel.

Cobalt Spinel



folded healed fracture in Burmese colorchange sapphire.

"Folded" healed fracture in unheated Burmese sapphire.



Peridot.

Peridot in oblique fiber-optic lighting.



Fiberous inclusions in Peridot.

Closer look.



feldspar inclusion within unheated Sri Lanken sapphire.

Plagioclase feldspar within unheated sapphire, 1.70 x 0.40 mm.



Star sapphire.

Star Sapphire



Star sapphire.

Star Sapphire



Large multi-phase inclusion in amber.

Liquid and gas inside Dominican Amber (horseshoe shaped void).



Multi-phase inclusion in amber.

Gas bubble has moved around the bend.



Lapis Lazuli.

Photo: E. Skalwold

Graduated Banding in Lapis Lazuli
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