Curite

Curite
Curite
General
Category	Oxide mineral
Chemical formula	Pb3(UO2)8O8(OH)6·3(H2O)
Strunz classification	04.GB.55
Crystal symmetry	Orthorhombic (2/m 2/m 2/m) dipyramidal
Identification
Color	Yellow, reddish orange, brownish yellow.
Crystal habit	Massive, acicular, compact earthy.
Crystal system	Orthorhombic
Cleavage	{100}, imperfect
Tenacity	Brittle
Mohs scale hardness	4-5
Luster	Adamantine
Streak	Orange
Diaphaneity	Transparent
Specific gravity	6.98 - 7.4
Optical properties	Biaxial (-)
Refractive index	nα = 2.060 nβ = 2.110 nγ = 2.150
Birefringence	.090
Pleochroism	Visible: X = b = pale yellow, Y = a = light red-orange, Z = c = dark red-orange
2V angle	70°
Ultraviolet fluorescence	Yes
Other characteristics	Radioactive
References	[1][2]

Curite is a lead uranium oxide mineral with formula: Pb₃(UO₂)₈O₈(OH)₆·3(H₂O). It is named after the French physicist Pierre Curie, who is known for his work on radioactivity.^[1]

References

1. ^ ^{a b} http://www.mindat.org/min-1197.html Mindat with location data
2. ^ http://webmineral.com/data/Curite.shtml Webmineral data

This article about a specific oxide mineral is a stub. You can help Wikipedia by expanding it.v · Categories: Lead minerals Oxide minerals Uranium minerals Orthorhombic minerals Oxide mineral stubs Wikimedia Foundation. 2010. Игры ⚽ Поможем написать реферат Curisevo River Curití Look at other dictionaries: curite — ● curite nom féminin (de Curie, nom propre) Oxyde d uranium et de plomb hydraté naturel, se présentant en petites aiguilles rouges …   Encyclopédie Universelle curite — /kyoor uyt/, n. a radioactive uranium mineral, Pb2U5O174H2O, with adamantine luster, occurring as reddish brown to deep yellow needle shaped crystals, formed by alteration of uraninite. [ < F (1921), after Pierre CURIE; see ITE1] * * * …   Universalium curite — cu·rite …   English syllables curite — ˈkyu̇ˌrīt noun ( s) Etymology: French, from Pierre Curie died 1906 French chemist + French ite : a radioactive mineral 2PbO.5UO3.4H2O occurring in orange acicular crystals and supposed to be a hydrous lead uranyl uranate …   Useful english dictionary Curit — aus Katanga, Afrika Chemische Formel Pb3[(UO2)4|O4|(OH)3]2 • 2 H2O Mineralklasse Ox …   Deutsch Wikipedia List of minerals C-E (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… …   Wikipedia Curita (mineral) — Saltar a navegación, búsqueda Para la venda adhesiva, véase Tira adhesiva sanitaria. Curita General Categoría Mineral …   Wikipedia Español Marie Curie — Madame Curie redirects here. For the 1943 biographical film about her, see Madame Curie (film). This article is about the chemist and physicist. For the schools named after her, see École élémentaire Marie Curie and Marie Curie High School …   Wikipedia Uranate — A uranate is a ternary oxide involving the element uranium in one of the oxidation states +4, +5 or +6. A typical chemical formula is MxUyOz, where M represents a cation. The uranium atom in uranates(VI) has two short, co linear, U O bonds and… …   Wikipedia Falerii — 42.287512.417777777778 Koordinaten: 42° 17′ 15″ N, 12° 25′ 4″ O …   Deutsch Wikipedia 18+ © Academic, 2000-2024 Contact us: Technical Support, Advertising Dictionaries export, created on PHP, Joomla, Drupal, WordPress, MODx. Mark and share Search through all dictionaries Translate… Search Internet Share the article and excerpts Direct link … Do a right-click on the link above and select “Copy Link”