Streak, color, luster, crystal structure.
Oral rehydration therapy (ORT) is a type of fluid replacement used to prevent and treat dehydration, especially that due to diarrhea. It involves drinking water with modest amounts of sugar and salts, specifically sodium<span> and </span>potassium<span>. Oral rehydration therapy can also be given by a nasogastric tube. Hope This Helps! :)</span>
.................... thats Hard...!!!?
Bureau of Land Management, Fish and Wildlife Service, Forest Service, and National Park Service