A dramatic color change is observed in a hackmanite sample with an apatite inclusion.

Examination of a sapphire reveals negative crystals arrayed in an arrow-like pattern.

Various inclusion types are observed in a bright orangy yellow chondrodite.

Examination of alexandrite reveals three phases of matter within a single inclusion suite.

Numerous natural-looking dark red solid inclusions are observed in a flame-fusion laboratory-grown ruby.

A purplish pink garnet crystal formed in the same octahedral shape as its diamond host.