enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Kyanite - Wikipedia

   en.wikipedia.org/wiki/Kyanite

   Kyanite is a typically blue aluminosilicate mineral, found in aluminium-rich metamorphic pegmatites and sedimentary rock. It is the high pressure polymorph of andalusite and sillimanite , and the presence of kyanite in metamorphic rocks generally indicates metamorphism deep in the Earth's crust .

3. Gemstone irradiation - Wikipedia

   en.wikipedia.org/wiki/Gemstone_irradiation

   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 ]

4. Lapidary medicine - Wikipedia

   en.wikipedia.org/wiki/Lapidary_Medicine

   Lapidary medicine is a pseudoscientific concept based on the belief that gemstones have healing properties. The source of the idea of lapidary medicine stems from information found in lapidaries, books giving "information about the properties and virtues of precious and semi-precious stones."

5. Crystal healing - Wikipedia

   en.wikipedia.org/wiki/Crystal_healing

   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 ...

6. List of minerals - Wikipedia

   en.wikipedia.org/wiki/List_of_minerals

   Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species. Within a mineral species there may be variation in physical properties or minor amounts of impurities that are recognized by mineralogists or wider society as a mineral variety.

7. Lapidary - Wikipedia

   en.wikipedia.org/wiki/Lapidary

   The Old English Lapidary, for instance, detailed the healing properties of stones, reflecting the belief that gemstones could cure illnesses and provide spiritual protection. Kitson argues that lapidaries in this period served a dual purpose: they were not only scientific texts that described natural phenomena but also moral and religious ...