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.
Recommendations. The 2010 Dietary Guidelines for Americans suggest that you eat at least 14 grams of dietary fiber per 1,000 calories. Using the recommended caloric intakes in the Guidelines, sedentary men between the ages of 19 and 30 should eat 33.6 to 36.4 grams of fiber per day. These values increase to 36.4 to 39.2 grams for moderately active and 42 grams or more for active men.