viriditen.
/ˈvɪrɪdʌɪt/ Mineralogy.
A mineral compound occurring in certain rocks in the form of minute greenish particles.
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the world > the earth > minerals > types of mineral > other miscellaneous minerals > [noun]
adamanteOE
adamantinec1225
adamant stonea1387
chrysocoll1590
chrysocolla1600
aloe1601
Scythian stone1608
diaspore1802
sideroclepte1814
allagite1823
spherulite1823
aluminide1826
rhodalite1836
aikinite1843
alvite1855
xanthitane1856
belonite1865
aenigmatite1868
opacite1875
viridite1879
neocyanite1882
sideronatrite1882
wittite1924
niggliite1936
anthonyite1963
perryite1965
KREEP1971
1879 F. Rutley Study of Rocks x. 166 Viridite includes mineral matter which is probably referable to different varieties of chlorite and serpentine.
1883 Science 2 111/1 Yellowish-green needles of epidote and viridite.
1892 E. S. Dana J. D. Dana's Syst. Mineral. (ed. 6) 664 Viridite,..A collective name... They are generally in scaly or fibrous forms and are often the result of the decomposition of amphibole, pyroxene, chrysolyte, etc.
This entry has not yet been fully updated (first published 1917; most recently modified version published online June 2018).
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n.1879