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One luminous gem "remarkable for its brilliancy and beauty" supposedly "grew on the head of a monʃtrous ʃerpent" that was guarded by many snakes. The medicine man hid this luminous gemstone, and no one else had seen it. Timberlake supposed he had "hatched the account of its difcovery" (1765: 48–49).
Luminescence occurs in some minerals when they are exposed to low-powered sources of ultraviolet or infrared electromagnetic radiation (for example, portable UV lamps), at atmospheric pressure and atmospheric temperatures.
Lustre (British English) or luster (American English; see spelling differences) is the way light interacts with the surface of a crystal, rock, or mineral.The word traces its origins back to the Latin lux, meaning "light", and generally implies radiance, gloss, or brilliance.
Before buying any old gem, though, keep reading to uncover the 25 most popular gemstones—and their meanings. Agate “Agate is earthy, warm and rich,” Salzer says, noting that it exists in ...
This is a list of gemstones, organized by species and types. Minerals. There are over 300 types of minerals that have been used as gemstones. Such as: A–B
In Tibetan Buddhist tradition the Chintamani is sometimes depicted as a luminous pearl and is in the possession of several of different forms of the Buddha. [ 3 ] In Japan, where the Hindu goddess Lakshmi is known as Kisshōten in Shinto , she is commonly depicted with a Cintāmaṇi in her hand.
This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...
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.