On Trihasio Phosphoric Acid. L63 



P0 5 =2»;.44 



CuO=61.29 



HO=10.77 



1.50 I-V. <>, 

 4. Dihydrite, CuO 5, P0 5 + -' HO, lias been analyzed by 

 Arfvedson under the name of Phosphor-Kupfererz. Hermann 

 made the first analysis. 



H. PO 5 =25.30 

 OuO=68.21 

 HO= 6.49 



Afvs. PO 5 =24.70 

 CuO=68.20 

 HO = 5.97 

 5. Phosphoro calcite (CuO 5, P0 5 +2 IK >) + (Cu< I 5, I '« I 

 HO) occurs principally in Taigilsk, also (a) in Rheinbreiten 

 bach; it has been analyzed byKlaproth, Ivuhn, Lynn and Her- 

 mann. 



(a) 

 H. P0 5 =23.75— 23.47— 24.55 

 CaO=68.75— 67.73— 67.25 

 H0= 7.50— 8.80— -.-j" 



Kip. P0»= 

 Cu0=68.13 

 H0= 



K. PO 8 21.52 

 CuO= 68.74 

 IK) . 8.62 



I.. PO 8 :21.69 

 CuO 62 

 IK i 15.45 

 6. Ehlite, CuO 5, PO r ' + :: HO, liaa been analyzed by Berg 



mann. 



