Sunstone refers to its physical appearance instead of its chemical composition. The iridescence lattice pattern consists of inclusions that are the result of crystallographically oriented exsolution crystals within the feldspar crystal. Rainbow lattice sunstone is a type of orthoclase feldspar that exhibits a rare combination of aventurescence, adularescence, and a distinctive iridescence lattice pattern. Rainbow lattice sunstone is a feldspar comprised of 75 percent orthoclase and 25 percent albite. It is an area consisting of dry plains with rocky outcrops that lies in the Harts Range north-east of Alice Springs, Northern Territory, Australia. Rainbow lattice sunstone is produced from a remote part of the Australian desert known as the Mud Tank Zircon Field. Rainbow lattice feldspar was discovered there in 1985 and acknowledged as a new gem material in 1989. There is only one place on Earth where it is found - the tiny Utnerrengatye mine in Harts Range, Northern Territory, Australia. Rainbow Lattice Sunstone is a unique variety of Orthoclase Feldspar with its basket-weave pattern of iridescent Hematite and Magnetite platelet crystals is only found in Mud Banks, the Harts ranges, Northern Territories, Australia. Look like confetti! Rainbow lattice feldspar is doubly phenomenal,Ĭontaining hematite crystals that give it aventurescence and magnetiteĬrystals that give it a rainbow lattice effect. This phenomenal gem is filled with gorgeous iridescent inclusions that
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