May be the species, neutral or ionized, indicated by its normal chemical symbol. Vacancies are denoted by V Lovely bit of jewellery- effectively designed. Not also flashy for daytime dress in but great for night at the same time. This is among quite a few items I've ordered from Angara. https://wearethelist.com/story19909792/sri-lankan-pukhraj-no-further-a-mystery