Chrysocolla quartz
(impressive blue-green colour)
Silk inclusion
(Blue sapphire)
Colour patches
(Black opal)
Liquid-film inclusion osmosis of iron
(Topaz)
Feuiller en Mémoire
(a leaf enclosed in copal resin)
Heamatite inclusion
(Albite)
Play of Colour
(Black Opal)
Liquid-film inclusion
(Blue sapphire)
Stubby crystal inclusion
(Ruby)
Liquid inclusion
(Yellow beryl)
Growth structure
(Synthetic quartz)
Liquid inclusion
(Yellow beryl)
Horse-tail Inclusion
(Demantoid Garnet)
Internal distortion “Tatami-mat”
(Type IIa pink diamond)
Parallel colour zoning angle distributed
(Red Beryl)
Liquid inclusion
(in Sapphire)
Brewster fringe
(observed in lock crystle)
Fracture in emerald
(indicates rainbow of colours)
Uneven color due to twinning
(on r-sector of amethyst)
Uniquely natural design "MIZU-MOKU"
(on a shell of hawksbill)
Watermelon tourmaline
(vividly coloured zonal structure)
"as raging flames"
(Bright red patches on black opal)
"twin-stars" twinkling in cosmic blue.
(Laser tomography image of sapphire)
Dioptase inclusion
(inside quartz)
Silk inclusion
(Non-heated Madagascar sapphire )
Chrome pyrope garnet
(trapped in a time capsule of diamond)
Lepidocrocite inclusion
(Quartz)
Cloudy white silk inclusions
(Sapphire)
Brewster fringe
(observed in Brazil twinned quartz)