Marsten Ranch Jasper Slabs
Marsten Ranch Jasper probably has its origin as petrified wood. The wood
structure has been lost, so it would be more properly referred to as a limb
cast. Nonetheless, this jasper has bright contrasting red, yellow and green
colors that create superior gemstones and slabs. PLEASE NOTE: Marsten Ranch
Jasper often has vugs and fractures. . Jasper is an opaque, microcrystalline
form of quartz. As with any microcrystalline quartz, it is hard and takes
an excellent polish with cerium or tin oxide.