indicolite
/ɪnˈdɪkəlʌɪt
/noun [mass noun]
An indigo-blue gem variety of tourmaline.When a member of our tour noticed that some of the sheets contained sprays of indicolite tourmaline, we all descended upon the mica heap like a swarm of locusts....
- Instead, a blue-green to blue tourmaline, some of which is considered to be indicolite, is now being mined in a different locality.
- Rubellite is the term used for red or pink tourmaline, and indicolite is the term used for blue tourmaline.
Origin
Early 19th century: from Latin indicum 'indigo' + -lite.
- normal
- normalcy
- normal distribution
- normal-faulted
- normal forest
- normal form
- normalien
- normalisable
- normalisation
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- normalism
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- Norman
- Norman Conquest