Lapis lazuli Vs Common Opal Fracture
Fracture is an important parameter when you compare Lapis lazuli and Common Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Lapis lazuli Vs Common Opal fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Lapis lazuli is ConchoidalWalter Schumann, Gemstones of the world (2001) and Uneven-Conchoidal. Common Opal fracture is Conchoidal, Conchoidal and Gemstones of the world (2001).