Structure in a healing fissure in topaz from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Midge included in amber from the Baltic coast, polarised light
Inclusions of gilalite aggregates in rock crystal from Brazil
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Dendrites in agate

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