Orpiment - Obelisk Size:Medium The individual crystals are generally

The individual crystals are generally opaque to translucent

pale green-grey

Approximate weight for 1 opal: 8g

Diameter: 12"

and well-formed crystal structures

Orpiment - Obelisk Size:Medium The individual crystals are generallyMined from: Russia Description: Orpiment is a deep coloured, orange yellow arsenic sulfide Mineral. Orpiment takes its name from the Latin words aurum and pigmentum which mean gold pigment due to it's deep yellow colour. Orpiment has a very striking appearance, however; it is very toxic and was used by the Roman Empire to poison arrow heads. It has also been discovered in decorations of Tuatankhamun's tomb in Egypt as well as the walls of the Taj