For me this is the worst part of the migraine. Sure the headache is terribleâ¦but the post period (postdrome)â¦agh! Usually, a 36 to 48 hr period of comeplete listlessness and nausea. I feel like I had a lobotomy and my head is a empty vesselâ¦Nicholsonâs character at the end of One Flew Overâ¦ comes to mind.
Alexandrite, a strongly pleochroic (trichroic) gem, will exhibit emerald green, red and orange-yellow colors depending on viewing direction in partially polarised light. However, its most distinctive property is that it also changes color in artificial (tungsten/halogen) light compared to daylight.tones that show a dramatic color change and strong colors (e.g. red-to-green) are rare and sought-after, 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.
Home > Education > Gems & Gemology > August Birthstone: Peridot. August Birthstone Color is Yellow Green. Late summer, with its blazing heat and abundant greenery, is a time for cooling activities, light, summery clothing, and a laid-back lifestyle.