The blue tigereye slabs will have a chatoyant luster when polished.  The fibrous structure has mostly been replaced by quartz. A minimum of five square inches is considered one order, and may be in any combination to add up to five square inches.  The slab may have a small amount of gold color, but the majority will be blue.  These slabs will have a height of approximately one inch or so down to 3/4 of an inch. The South African blue tigereye slabs are very good quality, rare and from old stock.  This is a natural gemstone and has not been heat treated.  Stock 416s.