Stress fissure («sun spangle») in baltic amber
Agate from Reichweiler, Germany
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Inclusion of apatite in ruby from Tanzania
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Fluid inclusions in quartz with bituminous daughter minerals, China
Spinel crystal in dolomite marble, Burma
Fire opal, Mexico

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