Spinel crystal in dolomite marble, Burma
Inclusions of gilalite aggregates in rock crystal from Brazil
Dendrites in agate
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Bubbles and swirls in moldavite (natural glass)
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Colour zoning in ruby from Mong-Shu, Burma

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