Definify.com
Webster 1913 Edition
Epidote
Ep′i-dote
,Noun.
[Gr. [GREEK] to give besides; [GREEK] over + [GREEK] to give: cf. F.
épidote
. So named from the enlargement
of the base of the primary, in some of the secondary forms.] (Min.)
A mineral, commonly of a yellowish green (pistachio) color, occurring granular, massive, columnar, and in monoclinic crystals. It is a silicate of alumina, lime, and oxide of iron, or manganese.
☞ The
Epidote group
includes ordinary epidote, zoisite or lime epidote
, piedmontite or manganese epidote
, allanite or cerium epidote
. Webster 1828 Edition
Epidote
EP'IDOTE
,Noun.
A mineral occurring in lamellar, granular or compact masses, in loose grains, or in prismatic crystals of six or eight sides, and sometimes ten or twelve. Its color is commonly some shade of green, yellowish, bluish or blackish green. It has two varieties, zoisite and aranaceous or granular epidote.
Epidote is granular or manganesian.