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°.
Pear Cut Diamond. Exuding elegance, the pear shape diamond (also referred to as a drop cut or teardrop diamond) is cut to resemble a drop of water with a single point and rounded end. The result is a cross between a round and marquise cut. Learn more about Pear Cut Diamonds.