Post AkxR19Ha8eScuzWkvg by istvan@poa.st
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 (DIR) Post #AkxR19Ha8eScuzWkvg by istvan@poa.st
       2024-08-14T12:30:08.292199Z
       
       0 likes, 1 repeats
       
       Jó napot! Our daily gem is “Six Sided Juliana” by Fred W Van Sant.It is a hexagon of 61 facets with 6-fold mirror symmetry. It requires a 96-index gear.The refractive index is 1.54. Compatible gems include: iolite, sunstone, chalcedony (moss agate, chrysoprase), quartz (amethyst, prasiolite, citrine).Published in Star Cuts I (1980) p47.dragako.brainsocks.xyz/pc28050.asc#gemcutting #faceting #lapidary