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Golyshevite Mineral Data
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General Golyshevite Information
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 Chemical Formula: |
(Na,Ca)10Ca9(Fe+++,Fe++)2Zr3NbSi25O72(CO3)(OH)3•H2O |
| Composition: |
Molecular Weight = 2,925.34 gm |
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Potassium 0.40 % K 0.48 % K2O |
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Sodium 7.09 % Na 9.56 % Na2O |
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Calcium 8.70 % Ca 12.17 % CaO |
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Lanthanum 0.14 % La 0.17 % La2O3 |
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Cerium 0.24 % Ce 0.28 % Ce2O3 |
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Zirconium 9.26 % Zr 12.51 % ZrO2 |
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Manganese 0.54 % Mn 0.70 % MnO |
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Niobium 1.91 % Nb 2.73 % Nb2O5 |
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Aluminum 0.07 % Al 0.14 % Al2O3 |
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Iron 4.18 % Fe 1.23 % FeO / 4.61 % Fe2O3 |
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Silicon 23.68 % Si 50.65 % SiO2 |
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Hydrogen 0.15 % H 1.35 % H2O |
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Carbon 0.43 % C 1.58 % CO2 |
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Chlorine 0.25 % Cl 0.25 % Cl |
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- %
Cl -0.06 % -O=Cl2 |
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Oxygen 42.95 % O |
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______ ______ |
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100.00 % 98.36 % = TOTAL OXIDE |
| Empirical Formula: |
Na9.02Ca0.43K0.3Ca5.92Ce0.05La0.03Fe3+1.69Fe2+0.5Mn2+0.29Zr2.97Si0.66Nb0.6Al0.08
Si24O72(OH)2.37(CO3)1.05Cl0.21�1.01(H2O) |
| Environment: |
From calcium-rich agpaitic pegmatites. CO3-dominant analog of feklichevite. |
| IMA Status: |
Approved IMA 2004 (Dana # Added) |
| Locality: |
Northern face of the Mica quarry in pegmatite no. 10 of the Kovdor massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Vladimir Mikhailovich Golyshev (1943-2000), crystallographer from the Mordvinian State University, Saransk, Russia. |
| Synonym: |
IMA2004-039a |
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