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·½½âʯ(calcite)ºÍÎÄʯ(Aragonite£¬»ò³Æö±Ê¯)³É·ÖΪCaCO3£¬Á½Õ߽ṹ²»Í¬£¬ÎªÍ¬ÖʶàÏó£¬Ç°ÕßÊôÈý·½¾§ÏµºóÕßÊôÕý½»¾§Ïµ£¬ÑÜÉä½á¾§Ñ§Êý¾ÝÈçÏ£º

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Card Information
Names:        Calcium Carbonate
        Calcite, syn
Formula:        Ca C O3
PDF Number:        5-586
Quality:        star
Subfiles:        inorganic mineral CEM CP  EDU FOR NBS

Cell and Symmetry Information
System:        rhombohedral        Space Group:        R-3c     (no. 167)
a:        4.989        c:        17.062
Density (Dm):        2.710        Density (Dx):        2.711        Z:        6


ÎÄʯ
Card Information
Names:        Calcium Carbonate
        Aragonite
Formula:        Ca C O3
PDF Number:        41-1475
Quality:        star
Subfiles:        inorganic mineral CEM CP  EDU PHR SCM

Cell and Symmetry Information
System:        orthorhombic        Space Group:        Pmcn     (no.  62)
a:        4.9623        b:        7.968        c:        5.7439
Density (Dm):        2.950        Density (Dx):        2.927        Z:        4
2Â¥2014-08-26 17:30:25
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