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Crocoite is commonly found as large, well-developed prismatic adamantine crystals, although in many cases are poorly terminated. Crystals are of a bright hyacinth-red color, translucent, and have an adamantine to vitreous lustre.
Chromite: Hosted in peridotite, ophiolites and dunite. Near Vourinos is a deposit with 1.5 million tons of ore and an ancient mine in Thessalia extracted 500,000 tons by the 1990s. Copper: The Chalkidiki Peninsula has 15 million tons of copper. Pyrite is common near East Peloponesus and disseminated copper sulfides are common in veins in ...
Chromite contains Mg, ferrous iron [Fe(II)], Al and trace amounts of Ti. [5] Chromite can change into different minerals based on the amounts of each element in the mineral. Chromite is a part of the spinel group, which means that it is able to form a complete solid solution series with other members in the
Chromitite and anorthosite layered igneous rocks in Critical Zone UG1 of the Bushveld Igneous Complex at the Mononono River outcrop, near Steelpoort, South Africa. A layered intrusion is a large sill-like body of igneous rock which exhibits vertical layering or differences in composition and texture.
The name of the element is derived from the Greek word χρῶμα, chrōma, meaning color, [12] because many chromium compounds are intensely colored. Industrial production of chromium proceeds from chromite ore (mostly FeCr 2 O 4) to produce ferrochromium, an iron-chromium alloy, by means of aluminothermic or silicothermic reactions ...
Kosmochlor is a rare chromium sodium clinopyroxene with the chemical formula NaCr 3+ Si 2 O 6.. The name is from German kosmisch, for its occurrence in meteorites, and the Greek chlor, for green. [4]
The Greek Dark Ages (c. 1100 – c. 800 BC) refers to the period of Greek history from the presumed Dorian invasion and end of the Mycenaean civilization in the 11th century BC to the rise of the first Greek city-states in the 9th century BC and the epics of Homer and earliest writings in the Greek alphabet in the 8th century BC.
This is an accepted version of this page This is the latest accepted revision, reviewed on 30 December 2024. Allegorical item from Greek mythology J. M. W. Turner, The Goddess of Discord Choosing the Apple of Contention in the Garden of the Hesperides (c. 1806) The manzana de la discordia (the turret on the left belongs to the Casa Lleó Morera; the building with the stepped triangular peak is ...