mika7

 Minerals

Amethyst cluster (image by leoleobobeo)

Gems

Minerals

Semiprecious spiral

Azurite

Carnotite (image by Rob Lavinsky)

Natrolite (image by Didier Descouens)

Hessonite (image by Aangelo)

Citrine (image by cobalt123)

Fluorite

Opal (image by Hannes Grobe)

Tourmaline (image by Rob Lavinsky)

Beryl (image by Rob Lavinsky)

Rubellite (image by Hannes Grobe)

Amethyst 3 (by Rob Lavinsky)

Amethyst 2 (by Rob Lavinsky)

Amethyst 1 (by Rob Lavinsky)

Chalcedon (image by Elya)

Agat

Pink quartz (image by Rob Lavinsky)