Superb tourmaline beads with lepidolite pendant. Top quality carving and polish. Material: Metal alloy with 20% silver (no blacken, antiallergic). Total lenght: 45cm (1.5 feet).
Pendant: 47 x 33 x 7mm (1.8 x 1.3 x 0.3). Total weight: 44 grams (1.6 oz). Lepidolite is a lilac-gray or rose-colored member of the mica group with formula K(Li, Al, Rb)3(Al, Si)4O10(F, OH)2. It is a secondary source of lithium.
It is a phyllosilicate mineral and a member of the polylithionite-trilithionite series. It is associated with other lithium-bearing minerals like spodumene in pegmatite bodies. It is one of the major sources of the rare alkali metals rubidium and caesium. In 1861 Robert Bunsen and Gustav Kirchhoff extracted 150 kg of lepidolite and yielded a few grams of rubidium salts for analysis, and therefore discovered the new element rubidium. It occurs in granite pegmatites, in some high-temperature quartz veins, greisens and granites.Associated minerals include quartz, feldspar, spodumene, amblygonite, tourmaline, columbite, cassiterite, topaz and beryl. The item "Bright tourmaline beads with lepidolite pendant / necklace" is in sale since Sunday, April 8, 2018. This item is in the category "Jewelry & Watches\Fashion Jewelry\Body Jewelry\Body Chains". The seller is "rus_treasures" and is located in Russia. This item can be shipped worldwide.