lepidolite
/ˈlɛpɪdəlʌɪt
/ /lɪˈpɪdəlʌɪt /noun [mass noun]
A mineral of the mica group containing lithium, typically grey or lilac in colour.Gases penetrating rock crevices allow the slow formation of lepidolite, topaz and tourmaline....
- It never occurs as a free element, but is found in minerals such as spodumene, petalite, and lepidolite.
- It was a large piece rectangular rock, possibly lepidolite, carved with strange, flowing markings.
Origin
Late 18th century: from Greek lepis, lepid- 'scale' + -lite.