Large ethiopian Shewa Opal: Polished Chocolate Opal Gemstone 12.81 grams Featured 6cm diameter ammonite has been

6cm diameter ammonite has been wonderfully polished and over 120 million years Water has dissolved the original hard parts of the ammonite shell and replaced it with mineral matter in a very slow process

to expose the fossil within

allowing Yellow Calcite to leak into the cracks to form its distinctive banded patterns

exhibiting rich warm smoky golden-brown tones

Quartz Crystals vary widely in colour and encompass transparent Clear Quartz (also known as Rock Crystal)

Large ethiopian Shewa Opal: Polished Chocolate Opal Gemstone 12.81 grams Featured 6cm diameter ammonite has beenPrecious Opals For Sale: Ethiopian Opals And Polished Opal Gemstones (Ethiopian Shewa Opal Chocolate Opal) This gorgeous flashy Large Hand Polished Ethiopian Opal Gemstone weighing 12. 81grams and measuring 2. 8cm long is a unique Polished Chocolate Brown Opal from Ethiopia, and a stunning iridescent precious opal gem which flashes with a rainbow of opalescent colour. This rare opal type is known as an Ethiopian Shewa Opal, Chocolate Opal, or Mezezo