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The Black Star of Queensland, also known as the Brimstone of Queensland, named after its nature and place of origin, is a 733-carat (146.6 g) black sapphire, and was the world's largest gem quality star sapphire until The Star of Adam was discovered. The Black Star sapphire is an oval-shaped gemstone cut as a cabochon like all other star ...
Serious adverse effects, even death, can result from misidentification or misuse of healing plants. [1] For example, various aloe plants are widely used in traditional African medicine, but some varieties, such as Aloe globuligemma , are toxic and can cause death. [ 1 ]
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. Adherents of the practice claim that these have healing ...
Black star sapphire, also known as 'natural star sapphire' is a type of corundum (aluminum oxide). It is usually cut into a dome shape to show a star feature. If it is cut with a flat or almost flat face, then a golden colour is revealed. The chemical composition and features for black star were analyzed in the Journal of Gemmology. [citation ...
For instance, a ruby worn as an amulet would "keep the body in safety, and that if any danger is towards it, it will grow black and obscure." On the other side, a coral "contract ungrateful spots, if the possessor of it is dangerously sick." Coral also had a very significant medicinal function: the ability to protect newborn children.
The World Health Organization (WHO) estimates that 80 percent of the population of some Asian and African countries presently uses herbal medicine for some aspect of primary health care. [ 15 ] Some prescription drugs have a basis as herbal remedies, including artemisinin , [ 16 ] digitalis , quinine and taxanes .
Clays are classified as excipients and their main side-effects are that of neutral excipients, which is to impair and slow down absorption of antibiotics, hormones and heart medication amongst others by coating the digestive tract [27] and this slowed down absorption can lead to increased toxicity of some medication (e.g. citrate salts) which ...
Several articles, including the Journal of Gemmology state that gold sheen sapphire is high in iron and titanium oxide. [2] It has inclusions of ilmenite, hematite (gold color) [5] and magnetite (black). It exhibits asterism and hexagonal growth, [6] a lack of UV fluorescence, healed fractures and polysynthetic twinning (parallel lines). Golden ...