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. a type of rock that contains minerals with important elements Ore:is 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 Almandine Anorthite Actinolite v: Labradorite Actinolite-Tremolite Series Anorthoclase Series Alum Group Anthophyllite Aegirine Alunogen Antigorite Aegirine-augite Amber v: Bowenite Aenigmatite Amesite (TL) v: Picrolite Aglaite Amphibole Apatite Akaganeite Supergroup Apophyllite Alabandite v: Byssolite Aragonite Albite v: Uralite Arsenopyrite Albite-Anorthite Analcime Asbestos Series Anatase Asphaltum v: Andesine Andalusite v: Albertite v: Cleavelandite v: Chiastolite Astrophyllite v: Oligoclase Andradite Augite v: Oligoclase-Albite v: TitanianAugite v: Pericline Series Aurichalcite Allanite Anglesite Autunite Allanite-(Ce) Anhydrite Axinite-(Fe) Alleghanyite Ankerite Axinite Group Allophane Annite (TL) Azurite
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
New%20Rock%20and%20Mineral%20Booklet%20Rev.10.docx