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Crystal healing is a pseudoscientific alternative-medicine practice that uses semiprecious stones and crystals such as quartz, agate, amethyst or opal. Despite the common use of the term "crystal", many popular stones used in crystal healing, such as obsidian, are not technically crystals .
On July 14, 2022, YouTube made a special playlist and video celebrating the 317 music videos to have hit 1 billion views and joined the "Billion Views Club". [65] [66] On April 1, 2024, the communications app Discord incorporated a short trailer video into their in-app April Fools' Day prank regarding loot boxes. The video automatically looped ...
The c. 3rd–1st century BCE Chuci ("Songs of Chu") mentions the paired gems, "Shards and stones are prized as jewels / Sui and He rejected". This poetic anthology also says, "It grieves me that shining pearls [明珠] should be cast out in the mire / While worthless fish-eye stones are treasured in a strong-box", and describes a flying chariot ...
As of 1999, the world's largest known naturally occurring crystal is a crystal of beryl from Malakialina, Madagascar, 18 m (59 ft) long and 3.5 m (11 ft) in diameter, and weighing 380,000 kg (840,000 lb). [12] Some crystals have formed by magmatic and metamorphic processes, giving origin to large masses of crystalline rock.
Dispersion: 0.017 [1]: Ultraviolet fluorescence: Pink stones; inert to very weak red to violet in long and short wave [1]: Absorption spectra: Strong narrow band at 498 nm, and almost complete absorption of red down to 640 nm in blue and green stones; red and pink stones show lines at 458 and 451 nm, as well as a broad band in the green spectrum [1]
It is transparent to translucent and possesses a hexagonal crystal system. [9] Aquamarine mainly forms in granite pegmatites and hydrothermal veins, [10] and it is a very lengthy process that can take millions of years to form. [9] Aquamarine occurs in many countries over the world, and is most commonly used for jewelry, decoration and its ...
"Crystal" is a song by the British-American rock band Fleetwood Mac from their 1975 eponymous album. Written by Stevie Nicks, the song originally appeared on her and Lindsey Buckingham’s studio album, Buckingham Nicks (1973). Two years later, after joining Fleetwood Mac, it was re-recorded and released for a second time. [1]