1) Borate mineral 2) Iron mineral 3) Monoclinic mineral 
Homilite is a borosilicate mineral belonging to the gadolinite group of minerals with formula Ca2(Fe,Mg)B2Si2O10. It occurs as brown monoclinic crystals within feldspar masses in pegmatite and was discovered in 1876 in Stoko island, Langesundfiord, Norway. The name is from the Greek for to occur together, in allusion to its association with meliph...
• (n.) A borosilicate of iron and lime, near datolite in form and composition.
Hom'i·lite noun [ From Greek ... to be in company with.] (Min.) A borosilicate of iron and lime, near datolite in form and composition. 
Homilite is a borosilicate of iron and lime, near datolite in form and composition.