Londonite Specifications
Londonite Specifications include its chemical, physical and optical properties of natural gemstones. These are displayed through measurements of light dispersion, hardness, density or specific gravity, cleavage, fracture, tenacity, refractive index and luster. These properties vary depending on the type of natural gemstone. Here, to give you a basic insight about Londonite, we provide you with a few prominent Londonite facts.
The gem is commonly found in Madagascar.Chemical formula is majorly responsible in contributing the Physical Properties of Londonite. It is mainly composed of (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001).