Mexican Fire Opal - Mineral Standard/Staff Pick:Standard Description: These are tiny peridot

Description: These are tiny peridot mineral specimen formations that still remain within their host rock

Case Size approximately: 100mm x 80mm x 20mm

is a younger form of preserved tree resin that hasn’t fully fossilized

Best bang for your buck because it is the first step into commercial grade

The continuous rim reduces chipping

Mexican Fire Opal - Mineral Standard/Staff Pick:Standard Description: These are tiny peridotMined from: Mexico Description: Opal is mineraloid made up of tiny spheres of silica (silicon dioxide), which are held together in a jelly like matrix. Fire opal is a variety of opal known for its bright, fiery colors ranging from yellow to orange to red. The color of fire opal is caused by trace impurities of iron oxides, which can produce a range of colors from yellow and orange to red. Most often, fire opal does not exhibit the rainbow play of