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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]
Tourmaline was sometimes called the "Ceylonese Magnet" because it could attract and then repel hot ashes due to its pyroelectric properties. [ 5 ] Tourmalines were used by chemists in the 19th century to polarize light by shining rays onto a cut and polished surface of the gem.
The Black Amber is a cultivar of plum known for its distinctive dark color and sweet flavor. It is a choice for fresh consumption and is often used in jams, jellies, and other culinary applications. The Black Amber plum is cultivated in various regions around the world, including North America, Europe, and Australia. It thrives in temperate ...
Optical properties of common minerals Name Crystal system Indicatrix Optical sign Birefringence Color in plain polars Anorthite: Triclinic: Biaxial (-) 0.013
Elbaite, a sodium, lithium, aluminium boro-silicate, with the chemical composition Na(Li 1.5 Al 1.5)Al 6 Si 6 O 18 (BO 3) 3 (OH) 4, [4] is a mineral species belonging to the six-member ring cyclosilicate tourmaline group. Elbaite forms three series, with dravite, with fluor-liddicoatite, and with schorl.
Herbal tonics are believed to have healing properties ranging from relieving muscle and joint pain [3] and extend as far as inhibiting some cancers. [ 4 ] Herbal tonics can be dated as far back as 4,000 years ago [ 5 ] – as a practice thought to have originated under the sphere of traditional Chinese Medicine . [ 5 ]
Dacryodes edulis is a fruit tree in the family Burseraceae native to Africa.Its various regional names include safou (Republic of the Congo, Democratic Republic of the Congo and Angola), messa, plum (), atanga (Equatorial Guinea and Gabon), ube, elumi/rukuki (), [2] [3] African pear, bush pear, African plum, nsafu, bush butter tree, or butterfruit.
The possible adverse effects of South African traditional medicines are not well documented; there has been limited research into mutagenic properties and heavy metal contamination. [48] Serious adverse effects, even death, can result from misidentification or misuse of healing plants. [1]