{"id":3062,"date":"2017-04-27T13:33:57","date_gmt":"2017-04-27T11:33:57","guid":{"rendered":"http:\/\/agora.xtec.cat\/iesm-jmzafra\/?p=3062"},"modified":"2017-04-27T13:33:57","modified_gmt":"2017-04-27T11:33:57","slug":"fluorita-2","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/general\/fluorita-2\/","title":{"rendered":"FLUORITA"},"content":{"rendered":"
NOM<\/h6>\n

ca<\/em> Fluorita\"fluorita_bona_grup2b6\"<\/a><\/p>\n

es<\/em> Fluorita<\/p>\n

en<\/em> Fluorite<\/p>\n

DESCRIPCI\u00d3<\/h6>\n

La fluorita \u00e9s un mineral compost per fluorur de calci de la classe dels halurs. Va ser descoberta l’any 1529. La fluorita apareix en diversos tipus de jaciments, per\u00f2 principalment en aquells que estan en contacte amb roques carbonatades, on s’origina per la consolidaci\u00f3 de fluids magm\u00e0tics despr\u00e9s de la solidificaci\u00f3 de roques com granits. La f\u00f3rmula qu\u00edmica de la fluorita \u00e9s CaF2, i, per tant, els elements que formen part de la seva estructura s\u00f3n el calci i el fluor. La fluorita cristal\u00b7litza en el sistema c\u00fabic (isom\u00e8tric), i per tant, \u00e9s un mineral is\u00f2trop des d’un punt de vista \u00f2ptic.<\/p>\n

US PRINCIPAL<\/h6>\n

Els usos principals s\u00f3n la metal\u00b7l\u00fargia, la cer\u00e0mica i la ind\u00fastria qu\u00edmica; tamb\u00e9 \u00e9s utilitzada en la ind\u00fastria \u00f2ptica i pels lapidaris. El fluoespar, el nom amb qu\u00e8 s’anomena la fluorita quan es ven processada o en grans quantitats, es divideix en tres graus diferents: \u00e0cid, cer\u00e0mic i metal\u00b7l\u00fargic.<\/p>\n

LLOC D’ORIGEN\"baixa-21\"<\/a><\/h6>\n

J\u00e1chymov va ser on es va trobar la fluorita. Aquesta petita ciutat pertany a la Rep\u00falica Txeca situada al nord-oest de Boh\u00e8mia a una al\u00e7ada de 733 m per sobre del nivell del mar.<\/p>\n

PROCED\u00c8NCIA<\/h6>\n

Aquest mineral va ser proporcionat per la escola d\u2019Educaci\u00f3 Prim\u00e0ria Dovella, al carrer Mallorca.<\/p>\n

 <\/p>\n

http:\/\/www.asturnatura.com\/mineral\/fluorita\/1112.html<\/a><\/p>\n

 <\/p>\n

Fet per \u00c1lvaro Carmona, Lucas Soca, Guillem Ruiz<\/p>\n","protected":false},"excerpt":{"rendered":"

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