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Chalcopyrite (/ ˌkælkəˈpaɪˌraɪt, - koʊ -/ [7][8] KAL-kə-PY-ryte, -koh-) is a copper iron sulfide mineral and the most abundant copper ore mineral. It has the chemical formula CuFeS 2 and crystallizes in the tetragonal system. It has a brassy to golden yellow color and a hardness of 3.5 to 4 on the Mohs scale.
A flower, also known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). Flowers consist of a combination of vegetative organs – sepals that enclose and protect the developing flower. These petals attract pollinators, and reproductive organs that produce gametophytes, which in ...
Pentlandite in pyrrhotite, ore specimen from the Sudbury Basin (field of view 3.4 cm). Pentlandite is an iron–nickel sulfide with the chemical formula (Fe,Ni) 9 S 8.Pentlandite has a narrow variation range in nickel to iron ratios (Ni:Fe), but it is usually described as 1:1.
Pyrrhotite. Brassy, tabular crystals of pyrrhotite, with sphalerite and quartz, from Nikolaevskiy Mine, Primorskiy Kray, Russia. Specimen size: 5.3 × 4.1 × 3.8 cm. Pyrrhotite (pyrrhos in Greek meaning "flame-coloured") is an iron sulfide mineral with the formula Fe (1-x) S (x = 0 to 0.125). It is a nonstoichiometric variant of FeS, the ...
Bedwars (stylized as BedWars) is a game developed by Easy.gg based on the fanmade Minecraft minigame of the same name. [147] Similar to the original version, players defend their bed from other opponents while attempting to destroy other player's beds. [148] [149] Unlike the Minecraft version, the game has more weapons to use. [147]
Cubic, faces may be striated, but also frequently octahedral and pyritohedral. Often inter-grown, massive, radiated, granular, globular, and stalactitic. The mineral pyrite (/ ˈpaɪraɪt / PY-ryte), [6] or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula Fe S 2 (iron (II) disulfide).
The 8.8 cm Flak 18 (Sfl.) auf Zugkraftwagen 12t (Sd.Kfz. 8) , also known as the Bunkerflak or Bufla, [1] was a German Wehrmacht half-track self-propelled gun developed before World War II and used in the first half of the war. It was used during the Invasion of Poland but is best known for its use during the Battle of France, where it was the ...
This is a list of semiconductor fabrication plants.A semiconductor fabrication plant is where integrated circuits (ICs), also known as microchips, are manufactured.They are either operated by Integrated Device Manufacturers (IDMs) that design and manufacture ICs in-house and may also manufacture designs from design-only (fabless firms), or by pure play foundries that manufacture designs from ...