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In crystallography, the orthorhombic crystal system is one of the 7 crystal systems.Orthorhombic lattices result from stretching a cubic lattice along two of its orthogonal pairs by two different factors, resulting in a rectangular prism with a rectangular base (a by b) and height (c), such that a, b, and c are distinct.
Pages in category "Orthorhombic minerals" The following 200 pages are in this category, out of approximately 335 total. This list may not reflect recent changes.
Crystal system Indicatrix Optical sign Birefringence Color in plain polars ... Orthorhombic: Biaxial (-) or (+) 0.042: Colorless to pale green Orthoclase: Monoclinic:
Orthorhombic minerals (42 C, 335 P) Pages in category "Orthorhombic crystals" The following 4 pages are in this category, out of 4 total.
Crystal systems that have space groups assigned to a common lattice system are combined into a crystal family. The seven crystal systems are triclinic, monoclinic, orthorhombic, tetragonal, trigonal, hexagonal, and cubic. Informally, two crystals are in the same crystal system if they have similar symmetries (though there are many exceptions).
Chemical elements with primitive orthorhombic structure (3 P) O. Orthorhombic minerals (42 C, 335 P) Pages in category "Orthorhombic crystal system"
Aragonite is a carbonate mineral and one of the three most common naturally occurring crystal forms of calcium carbonate (Ca CO 3), the others being calcite and vaterite. It is formed by biological and physical processes, including precipitation from marine and freshwater environments. Aragonite crystal structure
Brookite is the orthorhombic variant of titanium dioxide (TiO 2), which occurs in four known natural polymorphic forms (minerals with the same composition but different structure). The other three of these forms are akaogiite ( monoclinic ), anatase ( tetragonal ) and rutile ( tetragonal ).