fossils. Dictionary.com Metamorphic name for rocks that have been changed by heat and pressure is Metamorphic.Metamorphic comes from Greek words meaning "change" and "form" Metamorphic rocks form deep in the earth where high temperature,great pressure and chemical reactions cause one type of rock to change into another type of rock. Ore:is a type of rock that contains minerals with important elements including metals. The ores are extracted through mining; are then refined in various ways to extract the valuable element(s). Pegmatites: are various coarse-grained igneous rocks that form crystals of one centimeter or larger. They form from water-rich magmas that cool slowly, allowing the crystals to grow to large sizes. MINERALS OF MASSACHUSETTS Acanthite Actinolite Actinolite-Tremolite Series Aegirine Aegirine-augite Aenigmatite Aglaite Akaganeite Alabandite Albite Albite-Anorthite Series v: Andesine v: Cleavelandite v: Oligoclase v: Oligoclase-Albite v: Pericline Allanite Allanite-(Ce) Alleghanyite Allophane Almandine Series Alum Group Alunogen Amber Amesite (TL) Amphibole Supergroup v: Byssolite v: Uralite Analcime Anatase Andalusite v: Chiastolite Andradite Series Anglesite Anhydrite Ankerite Annite (TL) Anorthite v: Labradorite Anorthoclase Anthophyllite Antigorite v: Bowenite v: Picrolite Apatite Apophyllite Aragonite Arsenopyrite Asbestos Asphaltum v: Albertite Astrophyllite Augite v: TitanianAugite Aurichalcite Autunite Axinite-(Fe) Axinite Group Azurite
Babingtonite Bafertisite Baryte Bassanite Bauxite Bementite Bertrandite Beryl v: Aquamarine v: Goshenite v: Heliodor v: Morganite Biotite Birnessite Bornite Britholite-(Ce) Brochantite Brodrickite Brookite Brucite v: Nemalite Calcite v: Argentine v: Calcite Satin Spar Caledonite Cancrinite Caryopilite Cassiterite Cerussite Chabazite v: Phacolite Chabazite-Ca Chabazite-K Chalcanthite Chalcocite Chalcopyrite Chamosite v: Corundophilite Chert Chevkinite-(Ce) Chlorite Group Chloritoid Chlorophaeite Chondrodite Chromite Chrysocolla Chrysotile Clay Clinochlore v: Delessite v: Diabantite v: Sheridanite Clinohumite Clinopyroxene Subgroup Clinozoisite Coal v: Anthracite Cobaltite Columbite Columbite-(Fe) Columbite-(Mn) Columbite-Tantalite Copiapite Copper Cordierite Corundum v: Sapphire v: Ruby Covellite Cristobalite Cryophyllite Cryptomelane Cubanite Cummingtonite Cuprite v: Chalcotrichite Cymatolite Danalite (TL) Datolite v: Botryolite Diadochite Diaoyudaoite Diaspore Diatomaceous Earth Dickite Diopside v: Diallage Djurleite Dolomite v: Ferroan Dolomite Dravite Elbaite Emery Enstatite Epididymite Epidote Epidote Group Epsomite Fayalite Feldspar Fergusonite Fergusonite-(Y) Ferrihydrite Ferrisicklerite Ferrohexahydrite Ferro-hornblende Ferro-kaersutite Fluorapatite Fluorite v: Yttrocerite Forsterite Gadolinite Gahnite Galena v: Argentiferous Galena Garnet Gedrite Geikielite Genthelvite Gibbsite (TL) Glauconite
Goethite Gold Goslarite Graphite Grossular v: Hessonite Grunerite Gummite Gypsum v: Selenite Halite Halloysite Halotrichite Harmotome Hastingsite v: Hedenbergite Hematite v: Iron Rose v: Specularite Hemimorphite Heterosite Heulandite Hexahydrite Hornblende Hubnerite Hydrobasaluminite Hydrocerussite Hydroxylherderite Hydrozincite Hypersthene Iddingsite Ilmenite v: Manaccanite Jacobsite Jarosite Kaersutite Kamphaugite-(Y) Kaolinite Kerolite K Feldspar v: Adularia Kutnohorite Kyanite Langite Laumontite Lazulite Leadhillite Lechatelierite v: Fulgurite Lepidocrocite Lepidolite Lepidomelane Leucoxene Limonite Linarite Litharge Lizardite Lˆllingite Maghemite Magnesite v: FerroanMagnesite Magnetite v: Titaniferous Magnetite Malachite Manganese Oxides v: Manganese Dendrites Marcasite Margarite Marialite Meionite v: Nuttallite Melanterite Mendipite Meta-autunite Metatorbernite Mica Microcline v: Amazonite Microlite (TL) Mimetite Minnesotaite Molybdenite Monazite Monazite-(Ce) Montebrasite Montmorillonite Muscovite v: Fuchsite v: Illite v: Sericite Natrolite Neotocite Nepheline Olivine Opal v: Opal-AN Orthoclase OttrÈlite Paragonite Pargasite Parisite-(Ce) Pectolite Pentlandite Percylite Perthite Phenakite Phlogopite Phosgenite Pickeringite Piemontite Pigeonite Pinite Plumbogummite Pollucite Polybasite Polydymite Prehnite
Prochlorite Psilomelane Pumpellyite Pyrargyrite Pyrite Pyrolusite Pyromorphite Pyrophanite Pyrophyllite Pyroxene Group Pyrrhotite v: NickeloanPyrrhotite Quartz v: Quartz v: Amethyst v: Basanite v: Blue Quartz v: Carnelian v: Chalcedony v: Citrine v: Jasper v: Milky Quartz v: Prase v: Rock Crystal v: Rose Quartz v: Sceptre Quartz v: Smoky Quartz RanciÈite Rhodochrosite Rhodonite Richmondite (of Kenngott) Riebeckite Riebeckite v: Crocidolite Rockbridgeite Rˆntgenite-(Ce) Rozenite Rutile v: Ilmenorutile Sanidine Saponite v: Bowlingite Scapolite v: Wernerite Scapolite Group Schallerite Scheelite v: Molybdoscheelite Schorl Schwertmannite Scolecite Serpentine Group v: Marmolite v: Retinalite Siderite v: Manganoan Siderite Siderotil Sillimanite Silver Smectite Group Smithsonite Soapstone Sodalite Sonolite Spessartine Sphalerite Spinel v: Pleonaste Spodumene Staurolite Stellerite Stephanite Stibnite Stilbite Stilbite-Ca Stilpnomelane Sulphur Synchysite-(Ce) Takanelite Talc v: Steatite Tantalite Tektite' Tellurobismuthite Tephroite Tetradymite Tetrahedrite Thomsonite-Ca Thorite v: Orangite Thorogummite Titanite Topaz Torbernite Tourmaline v: Indicolite v: Verdelite v: Watermelon Tourmaline Tremolite Triphylite Turgite Uraninite Uranophane Uvite Vermiculite (TL) Vesuvianite Violarite Vivianite Wad Witherite Wollastonite Wroewolfeite (TL) Wulfenite Wurtzite Xenotime-(Y) Zeolite Group Zircon v: Cyrtolite Zirconolite v: Polymignite Zoisite