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Structure in a healing fissure in topaz from Brazil
Two-phase inclusions in tourmaline from Namibia
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Two-phase inclusion in amethyst, Brazil
Inclusions of hematite in aquamarine, Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Natural etching structure on a crystal face of diamond (trigons), polarised light
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

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Save the date: SGS Central Conference 2027:

24-25 May 2027
Villars-sur-Ollon (1884)

Seehotel Wilerbad, Wilen am Sarnersee
 
 
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