Mineralogy Database

Bredigite Mineral Data

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General Bredigite Information

Help on Chemical  Formula: Chemical Formula: Ca7Mg(SiO4)4
Help on Composition: Composition: Molecular Weight = 673.18 gm
   Calcium    41.67 %  Ca   58.31 % CaO
   Magnesium   3.61 %  Mg    5.99 % MgO
   Silicon    16.69 %  Si   35.70 % SiO2
   Oxygen     38.03 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca7Mg(SiO4)4
Help on Environment: Environment: In contact metamophosed limestones and dolostones intruded by diabase.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1948
Help on Locality: Locality: In the USA, at Marble Canyon, Culberson Co., Texas. In Ireland, at Scawt Hill and Ballycraigy, near Larne, Co. Antrim. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Max Albrecht Bredig (1902- ), physical chemist, who studied the polymorphism of Ca2SiO4.
Help on Name Pronunciation: Name Pronunciation: Bredigite + Pronunciation Say BREDIGITE
Help on Synonym: Synonym: ICSD 9828
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