IRIS AGATE SLICE P796 Charoite we show that the Idiwhaa

we show that the Idiwhaa gneisses were produced by partial melting of iron-rich hydrated basaltic rocks (amphibolites) at very low pressures

4kgs and measures 960mm high

Weight: 340 grams

found in the Green River Formation

IRIS AGATE SLICE P796 Charoite we show that the IdiwhaaIris Agate 4. 5cm x 1mm Iris Agates are cut thin to allow for maximum light dispersion. A thinner slice permits more light to enter the stone, where it is refracted at a brighter hue and colour range. Polished both sides. Shown in standard lighting as well as BACKLIT using a torch. The rainbows in Iris Agate are an optical phenomenon caused by the arrangement of banding within the agate. When backlit at the correct angle, the bands will flame out into