jasper

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jasper

jasper opaque, impure cryptocrystalline quartz , usually red, but also yellow, green, and grayish blue. It is used as a gem. Ribbon jasper has the colors in stripes.

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"jasper." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. 23 Nov. 2009 <http://www.encyclopedia.com>.

"jasper." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. (November 23, 2009). http://www.encyclopedia.com/doc/1E1-jasper.html

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jasper

A Dictionary of the Bible | 1997 | | Â© A Dictionary of the Bible 1997, originally published by Oxford University Press 1997. (Hide copyright information) Copyright

jasper A green stone in the fourth row of the high priest's breastpiece (Exod. 28: 20) and in the wall of the New Jerusalem (Rev. 21: 18).

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W. R. F. BROWNING. "jasper." A Dictionary of the Bible. 1997. Encyclopedia.com. 23 Nov. 2009 <http://www.encyclopedia.com>.

W. R. F. BROWNING. "jasper." A Dictionary of the Bible. 1997. Encyclopedia.com. (November 23, 2009). http://www.encyclopedia.com/doc/1O94-jasper.html

W. R. F. BROWNING. "jasper." A Dictionary of the Bible. 1997. Retrieved November 23, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O94-jasper.html

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jasper

A Dictionary of Earth Sciences | 1999 | | Â© A Dictionary of Earth Sciences 1999, originally published by Oxford University Press 1999. (Hide copyright information) Copyright

jasper A variety of chalcedonic (see CHALCEDONY) Silica (SiO₂) which is reddish-brown, opaque, and cryptocrystalline. It may be banded to give ‘Egyptian jasper’ (‘ribbon jasper’). A contact metamorphosed (see THERMAL METAMORPHISM) shale may also be baked to give ‘porcelain jasper’ which may be similar in appearance but has a different composition.

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AILSA ALLABY and MICHAEL ALLABY. "jasper." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 23 Nov. 2009 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "jasper." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (November 23, 2009). http://www.encyclopedia.com/doc/1O13-jasper.html

AILSA ALLABY and MICHAEL ALLABY. "jasper." A Dictionary of Earth Sciences. 1999. Retrieved November 23, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-jasper.html

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