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.
Although lime and gypsum are both used to improve the soil in your lawn and garden, they serve very different purposes. Adding lime to soil raises the pH so it becomes less acidic. This can help increase vegetable production in the garden and enhance the appearance of your lawn.Gypsum is often used as part of a strategy to correct compacted soil or soil with large amounts of clay.ime: Lime is a compound made up of calcium or calcium and magnesium and is used to reduce the damaging effects of acidic soil on lawns and gardens. Lime also reduces the toxicity of elements in the soil, such as aluminum, manganese and iron, which can adversely affect plant growth.