Psilomelane Marcasite Plume Agate! Lapidary Stone Slab! Septarian Nodule Size is approx 3 x

Size is approx 3 x 2

They make great displays just as they are

also using their finned tail to propel them forwards

This interesting Agate can be a blast to cut or work

This material also goes by the name of Death Valley Jasper

Psilomelane Marcasite Plume Agate! Lapidary Stone Slab! Septarian Nodule Size is approx 3 xHere is a stunning slab of Psilomelane Marcasite Plume Agate, which is a form of agate and metal! This creates metallic plumes within the agate, for some very awesome highly attractive pattern! This material does have some soft spots, and may need treated to cab! Measurements (inches longest approx): 3. 6 x 2. 6 x . 23The last photo has been taken dry so that you may see any defects. The other photos have been taken wet to simulate a polish.