Lab created stones, also known as cultured stones, are created in a laboratory setting using advanced technologies that mimic the natural processes that occur in the earth's crust. These stones have the same chemical and physical properties as their natural counterparts but are usually more affordable and environmentally friendly to produce. They are popular in jewelry making and are commonly used as alternatives to natural gemstones. Despite their origin, lab created stones can still be of high quality and are a great option for those who want the look and feel of natural stones without breaking the bank.

Lab Created (Spinel) Dark Aquamarine Rough Boules for Faceting

Chemical composition : MgAl₂O₄
Crystal Structure : Triagonal 
Thermal properties: Melting point 2046°C 
Purity : 99.99% 
Refractive Index : 1.712 - 1.736 
Density : 3.98-4.1 g/cm3 
Hardness Mohs : 7.5-8