Hackmanite 6mm Round - 15-16 Inch Origin_Africa It is mined under extremely

It is mined under extremely harsh conditions and the high-grade specimens are more rare than diamonds

Ethiopian Opal was first discovered in Ethiopia in 1994

The most common members of the feldspar group are the plagioclase feldspars and the alkali feldspars

this gemstone in its polished state looks like what it would be like to capture smoke in a stone -- bottomless black mixed with white wisps

and inlay placement should be expected

Hackmanite 6mm Round - 15-16 Inch Origin_Africa It is mined under extremelyDiscovered in Greenland in the late 1890's, hackmanite is named for Finnish geologist Victor Hackman. It is a rare occurrence to find gem grade hackmanite; at best, most crystals are translucent. Hackmanite is the light pink to pale violet variety of sodalite. It is a particularly unusual gem because it exhibits a special optical property known as tenebrescence, a type of reversible photochromism. Hackmanite is very reactive under UV light.