Confidence votes 68.2K. Rockhound. Quartz is used in the making of sandpaper, optics, glass, liquid filters, circuit boards, computer components, cement, mortar, and jewelry. Quartz crystals are also piezoelectric meaning when an electrical current passes through them they vibrate a small amount.ockhound. Quartz is used in the making of sandpaper, optics, glass, liquid filters, circuit boards, computer components, cement, mortar, and jewelry.
So just how much fiber do you need? The national fiber recommendations are 30 to 38 grams a day for men and 25 grams a day for women between 18 and 50 years old, and 21 grams a day if a woman is 51 and older. Another general guideline is to get 14 grams of fiber for every 1,000 calories in your diet.
Here's a look at the fiber content of some common foods. Read nutrition labels to find out exactly how much fiber is in your favorite foods. Women should try to eat at least 21 to 25 grams of fiber a day, while men should aim for 30 to 38 grams a day. *Fiber content can vary among brands.