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hlo ( 'c) ; sum / . as expected from dtg-investigation and later proved by synthetic work of h. otto, ge is present in the quadrivalent state. therefore the analysis must be corrected: geo: , sum /o. this gives the formula ca,ce +[(oh) | (so,),]. gn,o. x-ray study shows the mineral to be hexagonal, space
g calc' . optically uniaxial, positive; e , o . tlpe of formula as well as cell dimensions show a very close analogy to fleischerite lstr. amer. mineral. s, ( ) . when heated, fleischerite yields a powder pattern similar to that of anglesite; corresponding to this reaction schaurteite gives after heating...
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