Alexandrite is a very rare stone. Chromium gives alexandrite its colour and while in most minerals a trace element like chromium would provide only one colour to the mineral, in alexandrite it gives it two. via social media:Sorry, we don't have an article for that keyword!Note: the article keyword search field and some other of the site's functionality would require Javascript, which however is turned off in your browser.With preview image (see the box just above):If you want to place a link to this article in some other resource (e.g. It is also used as a lucky stone. If you like this page, please share the link with your friends and colleagues, e.g. Accessibility options. The effect refers to the sharp milky ray of white light normally crossing the cabochon as a center line along its length and overlying the honey-colored background.
The honey color is considered to be top-grade by many gemologists but the lemon yellow colors are also popular and attractive. Alexandrite was one of the first few vibronic laser gain media, discovered in the late 1970s. See results 1 - 4 of about 4 for alexandrite crystal structure. Crystal healers also claim that Alexandrite is helpful in treating conditions affecting the pancreas and spleen. Alexandrite has a orthorhombic crystal structure, having a … It can help with leukemia treatment and with the regeneration of neurological tissues. An alexandrite cat's eye is a chrysoberyl cat's eye that changes color. Alexandrite is highly anisotropic. It was named after Alexander II of Russia as it was found on his Coming of Age Day. Gems lacking the silky inclusions required to produce the cat's eye effect are usually faceted. Cat's eye material is found as a small percentage of the overall chrysoberyl production wherever chrysoberyl is found. Note, however, that it can be also used for narrowband lasing on the so-called R line, i.e., not in vibronic mode. Accessibility options. Alexandrite results from small scale replacement of aluminium by chromium ions in the crystal structure, which causes intense absorption of light over a narrow range of wavelengths in the yellow region (580 nm) of the visible light spectrum.
Enhanced by several years of research and development, it features a broad wavelength tun ing range of 71 0 - 800 nm with the capability to store and efficiently extract multijoule pulses of energy. Properties Alexandrite is an unusual crystal; it can appear to change colour! See results 1 - 7 of about 7 for crystal structure. Check out our alexandrite crystal selection for the very best in unique or custom, handmade pieces from our art & collectibles shops. It can relieve tension from the neck muscles. This stone can also aid in the assimilation of proteins. Colouring agents are dependent on the wavelength of light and the chemical bonds in the crystal to determine the colour that they will cause.
your website, social media, a discussion forum, Wikipedia), you can get the required code here.This book soon became a bestseller among the SPIE Field Guides.Enjoy a compact introduction to laser technology:Comments are welcome – see the input form below the article. Alexandrite Crystal Meaning Alexandrite is said to stimulate pleasure and love. See results 1 - 4 of about 4 for alexandrite crystal structure.
Alexandrite can assist in the healing of the nervous system and the reproductive organs.
Alexandrite is the leader of a class of tunable solid-state laser materials. "Milk and honey" is a term commonly used to describe the color of the best cat's eyes.
Alexandrite Crystal.