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The Alexandrite effect has also been observed in some other minerals, such as fluorite, sapphire, kyanite, monazite, spinel, garnet, tourmaline, and rare-earth oxalates. Not to be confused with the alexandrite effect, some minerals also exhibit pleochroism. The former is a response to different wavelengths of light in general, the latter an ...
Tetragonal, trigonal, and hexagonal minerals can only show two colors and are called dichroic. Orthorhombic , monoclinic , and triclinic crystals can show three and are trichroic. For example, hypersthene , which has two optical axes, can have a red, yellow, or blue appearance when oriented in three different ways in three-dimensional space. [ 5 ]
Stones that show a dramatic color change and strong colors (e.g., red-to-green) are rare and sought-after, [8] but stones that show less distinct colors (e.g. yellowish green changing to brownish yellow) may also be considered "alexandrite" by gem labs such as the Gemological Institute of America. [13] [14]
My Brilliant Friend (Italian: L'amica geniale) is a 2011 novel by Italian author Elena Ferrante. It is the first of four volumes in Ferrante's critically acclaimed Neapolitan Novels series. [ 1 ] The novel, translated into English by Ann Goldstein in 2012, explores themes of female friendship, social class, and personal identity against the ...
Those Who Leave and Those Who Stay is a 2013 novel written by Italian author Elena Ferrante, published by Edizioni e/o [].It is the third installment of her Neapolitan Novels, preceded by My Brilliant Friend and The Story of a New Name, and succeeded by The Story of the Lost Child.
Laura Bispuri was handpicked by series creator Saverio Costanzo to direct the fourth and final season—and her work even earned the elusive Ferrante’s approval.
The hormone changes that occur during perimenopause and menopause can cause mood swings, anxiety, depression, but also positive shifts. Experts explain.
Alexander was an outgoing, charismatic man who had many friends but his dearest and closest friend and confidant was Hephaestion. [4] Theirs was a friendship which had been forged in boyhood. It endured through adolescence, through Alexander's becoming king, and through the hardships of campaigning and the flatteries of court life and their ...