RAINBOW LATTICE SUNSTONE.

This is one of Australia's most unique gemstone found in 1985 in the harts range Northern territory. When mined the stone has natural fractures so the best cut is a long rectange.
This stone has the play of colour on both sides.

 This is a natural untreated stone .
There may be some pitting in the stone as we concetrated on the amazing pattern this stone has. great in any collection.

Well polished.

The lattice display is very directional

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