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°.
The Pear shape looks like a drop of water or a teardrop and is a combination of the round and marquise brilliant cuts. On one end, it has a round or oval shape, while the other half resembles a marquise with the sides tapering to a point. It usually has 58 facets, just like a round brilliant diamond.