|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
LEPEDOLITE AND PINK TOURMALINE
This is a natural untreated specimen mined in west Australia.Great specimen.
Weight 340.35 cts app
Size 43 x 40 x 27 mm app
lepidolite is a lilac-gray or rose-colored phyllosilicate mineral of the mica group that is a secondary source of lithium. 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.
|Starts||15th Aug 2017 1:52am PDT|
|Ends||20th Aug 2017 1:50am PDT|
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