Mineralogy Database

Pekovite Mineral Data

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General Pekovite Information

Help on Chemical  Formula: Chemical Formula: SrB2Si2O8
Help on Composition: Composition: Molecular Weight = 291.02 gm
   Strontium  29.21 %  Sr   34.54 % SrO
   Silicon    19.49 %  Si   41.71 % SiO2
   Boron       7.32 %  B    23.56 % B2O3
   Oxygen     43.98 %  O
             ______        ______ 
             100.00 %       99.81 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Sr0.97B1.97Si2.02O8
Help on Environment: Environment: Found in a block of quartz, presumably the quartz core of a pegmatite or other type of vein. Sr-dominant analogue of danburite
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Moraine of the Dara-i-Pioz glacier, Alai range, Tien Shan, northern Tajikistan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Igor Viktorovich Pekov (1967-), Russian mineralogist and alkaline rock expert.
Help on Synonym: Synonym: Bonchevite - mixture of pekoite and galenobismutiteBonchevite - mixture of pekoite and galenobismutite