DENDRITIC OPAL

This is a large nodule that has been faced and it would make a terrific carving piece or kept as a large specimen or slabed.This type of opal does not display those beautiful flashes of color that opal is famous for, but it does have a fantastic pattern of fern-like dendrites made of manganese/iron silicates trapped inside the crystalline structure of the white -colored opal, making this an intriquing and unique gemstone. They form as nodules.The dendritic inclusions, and are shaped like trees with some very interesting patterns.This material was mined in Turkey and the white is a beautiful pearl white colour .