This gem Lepidolite weighs 16.90 grams.
Lepidolite is a lilac-gray or rose-colored member of the mica group of minerals with formula K(Li, Al, Rb)₂(Al, Si)₄O₁₀(F, OH)₂. It is the most abundant lithium-bearing mineral and is a secondary source of this metal.
Lepidolite is thought to be calming and stabilizing to the mind body system. The presence of lithium has a balancing effect to the emotional body