Gemstones associated with metamorphic rock include beryl, jade, lapis lazuli, turquoise, spinel, ruby, sapphire and zircon. Rocks and minerals are in a constant state of change, which is referred to as the rock cycle. Igneous rock can change into sedimentary or metamorphic rock.
Lime is a soil amendment made by grinding limestone, a naturally occurring type of rock that is very high in calcium. Two types of lime are commonly used in lawns and gardens, agricultural lime and dolomitic lime. Agricultural lime, also sold as garden lime, is made from calcium carbonate.
1 If you lime your lawn before the first frost of the year, the freezing/thawing pattern of winter will help the lime seep into the soil. 2  Donât apply lime when your soil is very wet and avoid windy days, especially if your lime is in powder form. 3  Use a spreader to distribute the lime evenly across your lawn. Use a spreader to distribute the lime evenly across your lawn. 2  If your lime is in pellet-form, feel free to use your hands instead. 3  Lime does not move horizontally, so you need to be careful with your application. 4  Consider spreading half the lime in one direction and the other half in the opposite direction. 5  Be patient.