It's also worth noting that Ethiopian Water Opals are often hydrophane, which can lead to a temporary change in the colour and clarity of the stone when immersed in water. This effect remains until it dries out. For this reason you should keep your opal away from liquids which could be absorbed by the stone.
It's also worth noting that Ethiopian Water Opals are often hydrophane, which can lead to a temporary change in the colour and clarity of the stone when immersed in water. This effect remains until it dries out. For this reason you should keep your opal away from liquids which could be absorbed by the stone.