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cassiterite

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n. 锡石

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锡石

WordNet (r) 3.0 (2006) (WordNet)

cassiterite
n 1: a hard heavy dark mineral that is the chief source of tin

The Collaborative International Dictionary of English v.0.48 (gcide)

Cassiterite \Cas*sit"er*ite\, n. [Gr. ? tin.] (Min.)
Native tin dioxide; tin stone; a mineral occurring in
tetragonal crystals of reddish brown color, and brilliant
adamantine luster; also massive, sometimes in compact forms
with concentric fibrous structure resembling wood ({wood
tin}), also in rolled fragments or pebbly ({Stream tin}). It
is the chief source of metallic tin. See {Black tin}, under
{Black}.
[1913 Webster]

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Cassiterite - Wikipedia
Cassiterite is a tin oxide mineral, SnO 2 It is generally opaque, but it is translucent in thin crystals Its luster and multiple crystal faces produce a desirable gem Cassiterite was the chief tin ore throughout ancient history and remains the most important source of tin today
Cassiterite - Mineral Properties - Used as an Ore of Tin - Geology. com
Cassiterite is a tin oxide mineral with a chemical composition of SnO 2 It is the most important source of tin, and most of the world’s supply of tin is obtained by mining cassiterite Small amounts of primary cassiterite are found in igneous and metamorphic rocks throughout the world It is also a residual mineral found in soils and sediments
Cassiterite | Properties, Formation, Occurrence - Geology Science
Cassiterite is a mineral composed of tin oxide (SnO2) and is the primary ore of tin It has a high density and a hardness of 6 to 7 on the Mohs scale, making it relatively resistant to weathering and erosion The name "cassiterite" is derived from the Greek word "kassíteros," which means tin
Cassiterite: Mineral information, data and localities. - mindat. org
Cassiterite of acicular habit, consisting of a thin prism of square cross-section, terminated by a pyramid Unlike the more classic cassiterite crystals, needle tin crystals are usually not twinned, and are usually not black, ranging from light brown to y
Cassiterite - the Tin Ore Mineral Overview - MineralExpert. org
Cassiterite constitutes the chief ore of tin, as well as highly aesthetic and popular mineral specimen Tin was a foundation of the beginning of metal smelting in the early Bronze Age and still constitutes one of the core materials of modern technology
Cassiterite | Oxide Ore, Tin Ore Ore Mining | Britannica
cassiterite, heavy, metallic, hard tin dioxide (SnO 2) that is the major ore of tin It is colourless when pure, but brown or black when iron impurities are present Commercially important quantities occur in placer deposits, but cassiterite also occurs in granite and pegmatites
Cassiterite Mineral Data
Cassiterite Comments: Very brilliant black crystals of cassiterite on white mica Location: Xue Bao Diang, Sichuan, China Scale: Size Not Given © Fabre Minerals
Cassiterite: Meanings, Properties, Uses, Facts and More - The Gem Library
Cassiterite is a tin oxide mineral that is commonly found in granite and pegmatite rocks Its name comes from the Greek word “Kassiteros,” which means tin, and it has been used for thousands of years for its tin content
Cassiterite - an overview | ScienceDirect Topics
Cassiterite (SnO2) is the most important tin ore and it is typically found in veins closely associated with granite, in granite pegmatites and in greisen The name is from the Greek kassiteros, tin
The Mineral cassiterite - The Mineral and Gemstone Kingdom
Cassiterite is the best-known tin mineral It has been used as the chief ore of tin from early history throughout the ages, and remains so even today Some of the economical Cassiterite deposits exist in placer stream deposits where this very heavy mineral collects as rounded waterworn pebbles

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