Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Dumortierite in rock crystal, Brazil, polarised light
Two-phase inclusions in tourmaline from Namibia
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Agate from Reichweiler, Germany
Twin-crystal of chrysoberyl
Dendrites in agate
Colour zoning in ruby from Mong-Shu, Burma

Interner Bereich

Dieser Bereich steht nur unseren Mitgliedern zur Verfügung.