18.80 CTS RAINBOW LATTICE SUNSTONE ROUGH -AUSTRALIA [F7604]

QUALITY ROUGH 

RAINBOW LATTICE SUNSTONE .

This is one of Australias most unique gemstone found in 1985 in the harts range Northern terrority. This is a natural rough stone that has been stabilized to prevent it fracturing when cutting.It is found in a remote mountain range.

The lattice display is very directional but such a delight when it flashs at you!

Its a mixture of feldspar predominately moonstone with limenite and triangles which have a stunning display of iridescent rainbow .Most specimens also have hematite[sunstone] and a moon stone effect ,Adularescence.

The GIA indentified it and declared it as a new gem variety in 1989