👉 In geology, a fingerstone is a small, irregularly shaped rock that is formed by the weathering and erosion of other rocks. Fingerstones are often found in the rock layers below the bedrock or on the surface of the ground. Fingerstones can be either smooth or rough, with some having a smooth surface and others being more irregular. They are usually composed of quartz and feldspar, which are both minerals that have been weathered over time. The term "fingerstone
