indicoliten.
/ɪnˈdɪkəlʌɪt/ Mineralogy.
An indigo-coloured variety of tourmaline.
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society > occupation and work > materials > raw material > gem or precious stone > tourmaline > [noun] > varieties of
schorla1773
rubellite1794
siberite1802
indicolite1808
zeuxite1836
the world > the earth > minerals > types of mineral > silicates > cyclosilicates > [noun] > tourmaline > others
red tourmaline1768
rubellite1794
siberite1802
indicolite1808
zeuxite1836
achroite1850
1808 T. Allan Alphabet. List Minerals 38 Indicolite..from Uto in Sweden.
1816 P. Cleaveland Elem. Treat. Mineral. & Geol. 262 Indicolite..has an indigo blue color, sometimes so dark, that it appears almost black.
1843 J. E. Portlock Rep. Geol. Londonderry 213 The Indicolite, of a fine blue colour, occurs in the granite of Donegal.
1864 in Webster's Amer. Dict. Eng. Lang. Indigolite.
1896 in A. H. Chester Dict. Names Minerals Indigolite.
This entry has not yet been fully updated (first published 1900; most recently modified version published online December 2020).
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n.1808