The common symptoms of sleep apnea to be aware of are: - Loud or frequent snoring. - Choking in sleep, gasping. - Pauses in breathing during sleep. - Anxiety. - Morning headaches. - Excessive daytime sleepiness. - Waking up with a dry mouth or sore throat.
For instance, while a one carat (1.0 ct.) good quality emerald may sell for somewhere between $525 and $1,125, a five carat (5.0 ct.) emerald of similar quality could sell for between $7,500 and $15,000 (prices are for comparison only, exact prices vary according to market demand).
It was a dark, tombstone-size hunk of shale, with a dozen greenish columns jutting out like sticks of Kryptonite. Weighing 840 pounds, the rock matrix contained an emerald estimated to be 180,000 carats in size. At the time of its discovery, it was the largest uncut emerald in the world. Like most of the emeralds from Bahia, it was cloudy and marred by impurities. High-quality stones from the worldâs top mines, in Colombia and Zambia, can sell for thousands of dollars per carat, but a typical emerald from Bahia is worth less than $10 per carat. Many of its gems are used in costume jewelry.