Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Two-phase inclusion in amethyst, Brazil
Spinel crystal in dolomite marble, Burma
«Red fox agate» from Patagonia, Argentina
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Fire opal, Mexico
Inclusions of hematite in feldspar (sunstone), India

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