Two-Phase inclusions and rutile needles in rock crystal from Brazil

Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil

Twin-crystal of chrysoberyl

Midge included in amber from the Baltic coast, polarised light

Inclusions of gilalite aggregates in rock crystal from Brazil

Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light

«Red fox agate» from Patagonia, Argentina

Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia

Links

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Deutsche Gemmologische Gesellschaft

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Schule für Gestaltung Zürich

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Zentralverband Schweizerischer Goldschmiede und Uhrenfachgeschäfte VSGU

Gübelin Gem Lab

Gübelin Akademie

Schweizerisches Gemmologisches Institut SSEF

Goldor Magazin für Edelmetalle, Schmuck, Uhren und Edelsteine

Portal der Uhren- und Schmuckbranche

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Sainte-Marie aux Mines

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