4. The largest crystal ever found is a gypsum crystal found in the Cueva de los Cristales in Naica, Chihuahua, Mexico. It measures 39 ft long and 13 ft in diameter. You can see a picture at https://en.wikipedia.org/wiki/Cave of the Crystals A. If the crystal is modeled as a cylinder, what is the volume of the crystal in ft? Recall that the volume of a cylinder is mrh wherer is the radius and h is the height. B. What is the volume of the crystal in in?? You can start with your answer in A... Hint: What was the cm to inches conversion I asked you to memorize?? C. Gypsum has a density of 2.36 g/cm? What is the mass of the gypsum crystal from part A? Report your answer in kg