4" Iris Agate Slice (#17)

Iris Agate Slice  This incredibly rare Iris Agate slice is from Indonesia. It looks like a regular slice of agate until it is viewed through transmitted light, and then an incredible spectrum of colors appears. There are said to be a very small percentage of iris agates in the world. Furthermore, they have to be cut and polished just right and sliced very thin for the rainbows to be visible, making them even harder to come by! You can best enjoy your iris agate backlit with a bright flashlight in a dim environment. Cellphone flashlights work surprisingly well! The rainbows can also be viewed in bright sunshine, but you have to be very careful not to look directly into the sun to avoid eye damage, so the flashlight method is what we suggest.   Please note: This piece is hand-polished, and it will have imperfections. Weight: 194 carats Approx. Dimensions: 100mm x 71mm x 2mm  Origin: Indonesia  Agate forms when microscopic crystals of quartz are laid down in bands. Agate is a very gr