dumortierite Definition

sodalite, blue john, rhodochrosite, meionite, cyclosilicate, lazulite, septarium, rhodonite, saussurite, chondrodite, okenite, celestite, omphacite, babingtonite, lazurite, grossularite, hemimorphite, gismondine, euclase, knebelite, pargasite, ditroite, ripidolite, phillipsite, libethenite, aurichalcite, brochantite, miascite, tyrolite, boulangerite, liroconite, transparent gem, atacamite, baddeleyite, opaque gem, harmotome, corundom, hyalophane, jamesonite, ekebergite, hausmannite, andalusite, smaltite, volborthite, hauerite, feldspathoid, gahnite, petunse, mineral, helvite, argyrodite, mineraloid, pectolite, prehnite, cerargyrite, chloropal, amazonite, dyscrasite, bournonite, berthierite, tenorite, stephanite, cacholong, rose quartz, hematinon, kyanite, fowlerite, chalcanthite, horn silver, dioptase, lanarkite, water sapphire, pyrosmalite, warwickite, karpholite, ehlite, lepidocrocite, melilite, proustite, cancrinite, eucairite, sagenite, chrysocolla, stilpnomelane, chemical formula, conite, crystallogenesis, amblygonite, skutterudite, quartz, kernite, anglesite, stinkstone, zoisite, eschynite, triplite, annabergite, stromeyerite, amphibole group, bucholzite,