Bridgmanite
MgSiO3IMA symbol: Bdmapproved
Bridgmanite is a mineral with the formula MgSiO3, crystallizing in the orthorhombic system. It has a calculated density of 4.103 g/cm3.
Crystallography
| Crystal system | orthorhombic crystal systemWikidata (CC0) |
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| Space group | P b n m |
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| Cell (Å, °) | a = 4.778, b = 4.9298, c = 6.899; α = 90, β = 90, γ = 90 |
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| Cell volume | 162.503 ų, Z = 4 |
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| Axial ratios | 0.9692:1:1.3994calculated from COD 9003456 |
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| Source structure | COD 9003456 (American Mineralogist, 2004) — 1 of 18 structures |
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Powder X-ray diffraction (calculated)
| d (Å) | 2.433 | 1.715 | 1.388 | 1.725 | 2.465 | 3.431 |
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| I/I₀ | 100 | 58.7 | 43.8 | 35 | 24.8 | 22.6 |
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xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9003456; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 4.103 g/cm³calculated from COD 9003456 |
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Chemistry (calculated)
| Molecular weight | 100.39 g/molcalculated from the IMA formula |
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| Composition (wt%) | Mg 24.21%, Si 27.98%, O 47.81% |
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