Global InformationRainbow lattice sunstone information
Rainbow lattice sunstone, also known as rainbow lattice, is a type of orthoclase feldspar that exhibits a rare combination of aventurescence, adularescence, and a distinctive iridescence lattice pattern. The iridescence lattice pattern consists of inclusions that are the result of crystallographically oriented exsolution crystals within the feldspar crystal. Sunstone refers to its physical appearance instead of its chemical composition.[1][2]
Rainbow lattice sunstone is produced from a remote part of the Australian desert known as the Mud Tank Zircon Field. 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. The primary source of this sunstone is covered by a single mining claim about 500 by 600 meters (1,600 by 2,000 ft) in size. Lower-quality Rainbow lattice sunstone is produced at another claim about 7 kilometers (4.3 mi) away from the primary source.[1][3]
- ^ a b Liu, J.; Shen, A. H.; Zhang, Z.; Wang, C.; Shao, T. (2018). "Revisiting Rainbow Lattice Sunstone from the Harts Range, Australia". Journal of Gemology. 36 (1): 44–52.
- ^ Lalous, G., 2018. Journal digest: Delve into the colours of rainbow lattice sunstone. Gemmological Association of Great Britain (Gem-A), Ely Place, London, Great Britain.
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