Lepidolite (Pink Tourmaline) from California, USA tumbled

The mineral Lepidolite is a potassium-lithium-aluminum-fluorine-fylosilicaat having the chemical formula KLi2AlSi4O10F (OH). The contain colorless, white, yellowish or pinkish lepidolite consists of aluminum silicate, potassium and rubidium aluminiumlithiumaathydroxide and can detect. It is characterized by a good cleavage. The mineral is opaque and susceptible to acid and warm water, and loses its color. The average density is 2.84 and the hardness is 2.5 to 3. The crystal system is monoclinic, and the line is white. Lepidolite is named after the Greek words lepidion and lithos, respectively "scale" and "stone". The mineral is found mostly in lithium-rich pegmatites. The type of location is Pala, San Diego, California, USA