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Brass is not an officially recognized mineral as yet, although it has been proposed. It is not the man-made brass that is under consideration, but specimens of naturally occurring crystals of a copper nickel alloy with a formula similar to what we know as brass.
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www.galleries.com/minerals/elements/brass/brass.htm
www.galleries.com/minerals/elements/brass/brass.htm
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Britannica online encyclopedia article on brass (alloy), alloy of copper and zinc, of historical and enduring importance because of its hardness and workability. The earliest brass, called calamine brass, dates to Neolithic times; ... admiralty brass (alloy)
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www.britannica.com/EBchecked/topic/77876/brass
www.britannica.com/EBchecked/topic/77876/brass
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The present invention relates to a die-casting brass alloy having a dezincification resistance, which is lower than 100 $g(m)m for a separate value according to British Standard BS 2872 in a die-casting condition (i.e. without a subsequent phase transforming heat treatment).
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www.wipo.int/pctdb/en/wo.jsp?wo=2001014606&IA=WO200...
www.wipo.int/pctdb/en/wo.jsp?wo=2001014606&IA=WO2001014606&DISPLAY=DESC
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CLAIMS 1. A die-casting brass alloy having a dezincification resistance, which is lower than 100 um for a separate value according to British Standard BS 2872 in a die-casting condition (i.
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www.wipo.int/pctdb/en/wo.jsp?IA=WO2001014606&wo=2001014...
www.wipo.int/pctdb/en/wo.jsp?IA=WO2001014606&wo=2001014606&DISPLAY=CLAIMS
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Search View Brass (alloy) Article View ... Brass (alloy), alloy of copper and zinc. Harder than copper, it is ductile and can be hammered into thin leaves. Formerly any alloy of copper, especially one with tin, was called brass, and it is probable that the “brass” of ancient times was of copper and tin (see Bronze).
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encarta.msn.com/text_761569662__1/Brass_(alloy).html
encarta.msn.com/text_761569662__1/Brass_(alloy).html
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Brass (alloy), alloy of copper and zinc. Harder than copper, it is ductile and can be hammered into thin leaves. Formerly any alloy of copper,... ... Search for books about your topic, "Brass (alloy)" ... Alloy Brass - Home...
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encarta.msn.com/Brass_(alloy).html
encarta.msn.com/Brass_(alloy).html
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The present invention relates to a die-casting brass alloy having a dezincification resistance, which is lower than 100 μm for a separate value according to British Standard BS 2872 in a die-casting ... The present invention relates to a die-casting brass alloy having a dezincification resistance, which is lower than 100...
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www.freepatentsonline.com/6787101.html
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The free cutting brass alloy on the basis of alloy Cu-Zn-Bi is designed primarily for hot and cold moulding, especially for manufacturing rods by cold drawing, and contains 55,0 % to 75,0 % by wei ... The free cutting brass alloy on the basis of alloy Cu-Zn-Bi is designed primarily for hot and cold moulding,
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www.freepatentsonline.com/EP1502965.html
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Bottle with a sprinkler top, second half of 12th century; Iran or Afghanistan (Khorasan); Cast brass alloy inlaid with silver ... Metalwork, Brass ... Metalwork, Brass, West Asia...
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www.metmuseum.org/toah/ho/07/nc/ho_1998.234.htm
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