Any sedimentary rock that forms, as sediments settle out of a solution, is called a chemical sedimentary rock. Sediments can settle out of a solution either by the liquid in the solution evaporating, or by too much of the sediment dissolving in the solution (called supersaturation).
A lozenge (â), often referred to as a diamond, is a form of rhombus. The definition of lozenge is not strictly fixed, and it is sometimes used simply as a synonym (from the French losange) for rhombus. Most often, though, lozenge refers to a thin rhombusâa rhombus with acute angles of less than 45Â°.
Round Diamonds. The round shape is one of the most common cuts in diamonds. This shape has up to 108 facets, which means it can hide flaws in the stone. Round (or brilliant) diamonds indicate that the bride is traditional and wants a classic engagement ring.ear-Shaped Diamonds. Pear-shaped diamonds are also called teardrop-shaped diamonds. This shape provides the wearer with options. They can either wear the point of the ring so it faces up or down. This shape of diamond works well for a woman who likes versatility.