What is the Difference Between Ilmenite and Perovskite?
🆚 Go to Comparative Table 🆚Ilmenite and perovskite are both titanium-containing oxide minerals, but they have distinct differences in their chemical composition, magnetic properties, and crystal structure. The main differences between ilmenite and perovskite are:
- Chemical Composition: Ilmenite is an iron-based titanium oxide (FeTiO3), while perovskite is a calcium-based titanium oxide (CaTiO3).
- Magnetic Properties: Ilmenite is weakly magnetic, whereas perovskite is a non-magnetic material.
- Crystal Structure: Both ilmenite and perovskite have a similar structure (AGB3), where A and B are cations occupying octahedral sites. However, the anion packing arrangement is hexagonal and compact in ilmenite, whereas in perovskite, the anion and A cation form a close, compact, and cubic packing structure.
- Appearance: Ilmenite appears as a black or steel-grey solid, while the color of perovskite can range from black, reddish-brown, or pale yellow. Ilmenite has a metallic luster, and its streak color is black, making it an opaque material. Perovskite, on the other hand, has an adamantine luster.
In summary, ilmenite and perovskite are titanium-containing oxide minerals with different chemical compositions, magnetic properties, and crystal structures. Ilmenite is an iron-based titanium oxide, while perovskite is a calcium-based titanium oxide. Ilmenite is weakly magnetic, and its structure has a hexagonal and compact anion packing arrangement, whereas perovskite is non-magnetic and has a cubic packing structure. The appearance of these minerals also differs, with ilmenite being black or steel-grey and perovskite appearing in various shades of black, reddish-brown, or pale yellow.
Comparative Table: Ilmenite vs Perovskite
Ilmenite and perovskite are both titanium-containing oxide minerals, but they have distinct differences in their composition and properties. Here is a table summarizing the differences between ilmenite and perovskite:
Property | Ilmenite | Perovskite |
---|---|---|
Chemical Formula | FeTiO3 | CaTiO3 |
Composition | Iron-based titanium oxide | Calcium-based titanium oxide |
Magnetic Property | Weakly magnetic | Non-magnetic |
Crystal Structure | Ilmenite has a similar structure to perovskite, but the anion packing arrangement is hexagonal and compact, whereas in perovskite, the anion and A cation form a close, compact, and cubic packing structure. | The structure of perovskite is the same as that of ilmenite, i.e., ABO3, where A and B are cations occupying octahedral sites of somewhere around the same size. |
In summary, ilmenite is an iron-based titanium oxide mineral (FeTiO3), while perovskite is a calcium-based titanium oxide mineral (CaTiO3). Ilmenite is weakly magnetic, whereas perovskite is non-magnetic. Both minerals have similar crystal structures, but there are differences in the packing arrangements of the anions and cations within the structure.
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