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Gemstone irradiation is a process in which a gemstone is exposed to artificial radiation in order to enhance its optical properties.High levels of ionizing radiation can change the atomic structure of the gemstone's crystal lattice, which in turn alters the optical properties within it. [1]
A regards acrostic ring (c. 2023) based on 19th century regards rings. Acrostic rings were made with gemstones representing sentimental and romantic words, including the following: Dearest - diamond, emerald, amethyst, ruby, emerald, sapphire, topaz. Alternatively, turquoise was used instead of a topaz. [7]
The most suitable setting for gem amethyst is a prong or a bezel setting. The channel method must be used with caution. [42] Amethyst has a good hardness, and handling it with proper care will prevent any damage to the stone. Amethyst is sensitive to strong heat and may lose or change its colour when exposed to prolonged heat or light.
A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or polished, is used to make jewelry or other adornments.
The five cardinal gems. Clockwise from top: sapphire, ruby, emerald, amethyst, diamond. Cardinal gems are gemstones which have traditionally been considered precious above all others. The classification of the cardinal gems dates back to antiquity, and was largely determined by ceremonial or religious use as well as rarity. [1]
Scarab amulets were sometimes placed in tombs as part of the deceased's personal effects or jewelry, though not all scarabs had an association with ancient Egyptian funerary practices. There are, however, three types of scarabs that seem to be specifically related to ancient funerary practices: heart scarabs , pectoral scarabs and naturalistic ...
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