mineral agate 1

Mineral Agate

By Mary Nelson

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=0sHmMbRqJginkM&tbnid=oaeMDDkjwyjWoM:&ved=0CAUQjRw&url=http%3A%2F%2Fstoneplus.cst.cmich.edu%2Fagate.htm&ei=SjtpUpXpAdCEkQfTyIEg&bvm=bv.55123115,d.eW0&psig=AFQjCNFbORfVRuTulMzdWDWovdqvOPnLdg&ust=1382714551682817

Chemical Composition=SiO2

Group=Quartz

Crystalline makeup= Hexagonal

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=mupK8ycsDzb5AM&tbnid=pWFCTAlVDIjj8M:&ved=0CAUQjRw&url=http%3A%2F%2Faustralianmuseum.net.au%2Fimage%2FCrystal-group-6-Hexagonal-Prism-and-Base&ei=ZjxpUtHrHY2FkQfTg4DAAQ&bvm=bv.55123115,d.eW0&psig=AFQjCNE_7yE1uolo7-nN8MAP3-sY9ZjxGA&ust=1382714830299008

Uses

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=3cvOXv0J1mo59M&tbnid=-wqBkfcOXSTRsM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.greatsouth.net%2Fitem%2FM421%2FAgate_Wind_Chime&ei=Gj9pUrawL9O3kQft-4GgAQ&bvm=bv.55123115,d.eW0&psig=AFQjCNH9CnWZmkwggo3eagMw4jh1iSX2hA&ust=1382715524958434

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http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=FsMC7FI6ikDNVM&tbnid=i37ue3avgDOSmM:&ved=0CAUQjRw&url=http%3A%2F%2Fstylekoo.com%2F2011%2F12%2F18%2Ftrendykoo-agate%2F&ei=Z6VpUqSLILOHyQGSyIGQAQ&bvm=bv.55123115,d.aWc&psig=AFQjCNErqG0nR5Ay9BENu9YUtUWF541LXw&ust=1382741702256022

Properties

Fracture= conchoidal- curved breakage

Color= multicolored in banded formation. Rare agates are iridescent- can be different colors at different angles

Luster=glassy

Hardness=7

Streak= white

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=YFOEtbdAI51xOM&tbnid=f9oFlOhL9-9k6M:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.minerals.net%2Fmineral_glossary%2Fconchoidal.aspx&ei=5HRtUszJA8iIyAH9-oH4Dg&bvm=bv.55123115,d.aWc&psig=AFQjCNHTsnlObVfg0Sxlh53Yy0w8d4hyIw&ust=1382991399116772

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=bWHsDo-VS_JECM&tbnid=HCiC98EOWRIHwM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.rocksforkids.com%2FR%26M%2Fagate.htm&ei=E6NqUpXZMoioyAG12ICwAw&bvm=bv.55123115,d.aWc&psig=AFQjCNGB3ei0FsUwv80lobOIIaQ3qfVudg&ust=1382806670658078

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Special Properti

esPiezoelectric- substance that generates an

electrical charge when under stress

fluorescent- usually glows green or white

triboluminescence- flash of light produced when a material is subject to friction, impact, or breakage

http://geology.com/minerals/triboluminescence/

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=GGkF42u-m0_seM&tbnid=eMCDfp_Q17Oy3M:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.johnbetts-fineminerals.com%2Fjhbnyc%2Fgifs%2F44924.htm&ei=Wp1qUrGjCeL4yQHn5oHgBw&bvm=bv.55123115,d.aWc&psig=AFQjCNEkN6-avhH0k2BCR4vpdzjzn7W9Tg&ust=1382805196721029

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=6_ffI7kU90p7iM&tbnid=UbgMjO8zdKLHpM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.johnbetts-fineminerals.com%2Fjhbnyc%2Fmineralmuseum%2Fpicshow.php%3Fid%3D29305&ei=n51qUqTAEpG6yAHX-4GADg&bvm=bv.55123115,d.aWc&psig=AFQjCNEkN6-avhH0k2BCR4vpdzjzn7W9Tg&ust=1382805196721029

Where are Agates Found?

Kentucky

South Dakota

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=pAb19h8PNst5NM&tbnid=nHUA-xUL-Vdx0M:&ved=0CAUQjRw&url=http%3A%2F%2Fablittlelife.blogspot.com%2F2013%2F08%2Frocks-rock-lake-superior-agate.html&ei=nn1tUoLwD9OkyAGozICoCg&bvm=bv.55123115,d.aWc&psig=AFQjCNE9U0vPkzWFRknxuKQa5L7P_tetoQ&ust=1382993406043201

mineral agate 1

rare agates

kentuckysouth dakota

breakage http

different colors

properties fracture

different angles luster

white hardness

quartzcrystalline makeup

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