Ancient Egyptians made use of amulets, which they believed to possess magical properties. The amulet's shape, decoration, inscription, color, material, or ritual performed with the amulet dictated its power. Amulets were worn or placed on the body, in the form of stones, piercings, rings, necklaces, or other jewelry. The Egyptians used amulets to benefit their afterlife, often representing an Egyptian deity and their specific powers. Amulets were also placed on mummies or in between the mummy's bandages, with funerary pieces usually being larger than those worn by the living. In funeral practices they also used headrest amulets, these were full-size headrests placed in tombs to protect the dead, they also symbolized the deceased rising and being revived, and the sun rising between two hills, which symbolized resurrection and rebirth.
Precious stones have been thought of as objects that can aid in healing—in a practice known as lapidary medicine—by a variety of cultures. The Hopi Native Americans of Arizona use quartz crystals to assist in diagnosing illnesses. The alleged medicinal properties of precious stones, as well as other powers they were believed to hold, were collected in texts known as lapidaries.
Worldwide, retail sales of crystals were estimated to amount to more than US$1 billion per year in 2019.
In 1999, researchers French and Williams conducted a study to investigate the power of crystals compared with a placebo. Eighty volunteers were asked to meditate with either a quartz crystal, or a placebo stone which was indistinguishable from quartz. Many of the participants reported feeling typical "crystal effects"; however, this was irrespective of whether the crystals were real or placebo. In 2001 Christopher French, head of the anomalistic psychology research unit at the University of London and colleagues from Goldsmiths College outlined their study of crystal healing at the British Psychological Society Centenary Annual Conference, concluding: "There is no evidence that crystal healing works over and above a placebo effect."
Crystal healing techniques are also practiced on animals, although some veterinary organizations, such as the British Veterinary Association, have warned that these methods are not scientifically proven and state that people should seek the advice of a vet before using alternative techniques.
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McClure, Tess (September 17, 2019). "Dark crystals: the brutal reality behind a booming wellness craze". The Guardian. ISSN 0261-3077. Archived from the original on May 15, 2020. Retrieved September 25, 2019. https://www.theguardian.com/lifeandstyle/2019/sep/17/healing-crystals-wellness-mining-madagascar
McClure, Tess (September 17, 2019). "Dark crystals: the brutal reality behind a booming wellness craze". The Guardian. ISSN 0261-3077. Archived from the original on May 15, 2020. Retrieved September 25, 2019. https://www.theguardian.com/lifeandstyle/2019/sep/17/healing-crystals-wellness-mining-madagascar
McClure, Tess (September 17, 2019). "Dark crystals: the brutal reality behind a booming wellness craze". The Guardian. ISSN 0261-3077. Archived from the original on May 15, 2020. Retrieved September 25, 2019. https://www.theguardian.com/lifeandstyle/2019/sep/17/healing-crystals-wellness-mining-madagascar
McClure, Tess (September 17, 2019). "Dark crystals: the brutal reality behind a booming wellness craze". The Guardian. ISSN 0261-3077. Archived from the original on May 15, 2020. Retrieved September 25, 2019. https://www.theguardian.com/lifeandstyle/2019/sep/17/healing-crystals-wellness-mining-madagascar
McClure, Tess (September 17, 2019). "Dark crystals: the brutal reality behind a booming wellness craze". The Guardian. ISSN 0261-3077. Archived from the original on May 15, 2020. Retrieved September 25, 2019. https://www.theguardian.com/lifeandstyle/2019/sep/17/healing-crystals-wellness-mining-madagascar
Wiseman, Eva (June 16, 2019). "Are crystals the new blood diamonds?". The Guardian. Guardian News & Media Limited. Archived from the original on February 25, 2021. Retrieved January 26, 2021. https://www.theguardian.com/global/2019/jun/16/are-crystals-the-new-blood-diamonds-the-truth-about-muky-business-of-healing-stones
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Spellman, Frank R; Price-Bayer, Joni. (2010). In Defense of Science: Why Scientific Literacy Matters. The Scarecrow Press. p. 81. ISBN 978-1-60590-735-2 "There is no scientific evidence that crystal healing has any effect. It has been called a pseudoscience. Pleasant feelings or the apparent successes of crystal healing can be attributed to the placebo effect or cognitive bias—a believer wanting it to be true." /wiki/ISBN_(identifier)
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Spellman, Frank R; Price-Bayer, Joni. (2010). In Defense of Science: Why Scientific Literacy Matters. The Scarecrow Press. p. 81. ISBN 978-1-60590-735-2 "There is no scientific evidence that crystal healing has any effect. It has been called a pseudoscience. Pleasant feelings or the apparent successes of crystal healing can be attributed to the placebo effect or cognitive bias—a believer wanting it to be true." /wiki/ISBN_(identifier)
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Koetsier, John (May 28, 2020). "$350 '5G Bioshield' Radiation Protection Device Is A ... $6 USB Stick". Forbes.com. Archived from the original on May 27, 2021. Retrieved May 27, 2021. Other recommendations from Glastonbury? People should use Shungite, a mineral which is said to have healing powers that one "healing crystal" company says "span the board from purity to protection. https://www.forbes.com/sites/johnkoetsier/2020/05/28/350-5g-bioshield-radiation-protection-device-is-a--6-usb-stick/
Bucci, Nino (October 30, 2020). "Conspiracy theorists forced to apologise for calling Victorian youth leader a Covid 'crisis actor'". The Guardian. Archived from the original on May 27, 2021. Retrieved May 27, 2021. Fernandez claims Facebook warned him his account would be restricted for posting misinformation to his page, which he also uses to promote cryptocurrency opportunities and sell shungite, a crystal which he claims prevents the effects of 5G. https://www.theguardian.com/australia-news/2020/oct/31/conspiracy-theorists-forced-to-apologise-for-calling-victorian-youth-leader-a-covid-crisis-actor
Song, Victoria (March 3, 2021). "5G Conspiracy Theories Are Fueling an Entire Economy of Scammy Gadgets". Gizmodo. Archived from the original on May 27, 2021. Retrieved May 27, 2021. There isn't much scientific evidence backing these claims, and researching shungite primarily brings up New Age-y articles spewing quackery, with no citations to actual studies or research. The 5G stickers supposedly generate some kind of shield to protect you from 5G waves. Let us be clear: A sticker that claims to generate any type of radiation-blocking shield is pure science fiction. https://gizmodo.com/5g-conspiracy-theories-are-fueling-an-entire-economy-of-1846349071
McGowan, Michael (February 24, 2021). "How the wellness and influencer crowd serve conspiracies to the masses". The Guardian. Archived from the original on June 9, 2021. Retrieved May 27, 2021. [Fernandez] flits between long screeds about vaccinations and claims that Covid-19 is a hoax to selling products that he claims protect users from electromagnetic fields that conspiracy theorists believe are emitted by 5G towers. A shungite pyramid crystal will protect a radius of "approximately 6–7 metres", his website claims, and costs $226, reduced from $256. https://www.theguardian.com/australia-news/2021/feb/25/how-the-wellness-and-influencer-crowd-served-conspiracies-to-the-masses