Look up: epidote

1. 
   Epidote
   Epidote has the formulae Ca2(Al,Fe)3Si3O12(OH). It has a relative hardness of 7. It is a common mineral. Found in regional and metamorphic rocks of mafic composition and as a product of alteration of other minerals. Sometimes used as a gemstone.
   Found on http://www.encyclo.co.uk/nol.php
   
   
2. 
   Epidote
   Ep'i·dote noun [ Greek ... to give besides; ... over + ... to give: confer French 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. ...
   Found on http://www.encyclo.co.uk/webster/E/54
   
   
3. 
   epidote
   <chemical> A mineral, commonly of a yellowish green (pistachio) colour, 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 serium epidote. ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
4. 
   Epidote
   `Epidote` is a calcium aluminium iron sorosilicate mineral, Ca2(Al, Fe)3(SiO4)3(OH), crystallizing in the monoclinic system. Well-developed crystals are of frequent occurrence: they are commonly prismatic in habit, the direction of elongation being perpendicular to the single plane of symmetry. The faces are often deeply striated and crystals are often twinned. Many of the characters of the mineral vary with the amount of iron present for instanc...
   Found on http://en.wikipedia.org/wiki/Epidote
   
   
5. 
   Epidote
   • (n.) 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.
   Found on http://thinkexist.com/dictionary/meaning
   
   
6. 
   epidote
   any of a group of colorless to green or yellow-green silicate minerals with the general chemical formula A2B3(SiO4)(Si2O7)O(OH), in which A is ... [2 related articles]
   Found on http://www.britannica.com/eb/a-z/e/36