cori'i.i: MIM.KALS ii-i:{ 



d. With von K<>lrH's flux shows lead; c, p. 

 Bayldonite, (I'kCu),(A8O 4 ) a (Pb,Cu)(< >l I II'); Grass- 



tti Mark-Kivrn ; Kr>moii> ; H. 4.5; G. 5.35 ; F. L 

 Mammillary. 



e. Fused with soda in l\. 1 . on coal it yields a sulphur re- 



action; 6, p. 587. 



Lindackerite (ru.()H) 4 Cu 2 Ni 3 SO 4 (AsO 4 )4.5 H,O; Ver- 

 digris- to apple-green ; H. 2-2.5 ; G. 2-2.5 ; F. 2-3 ; 

 IV. 

 /. Yields a reaction for uranium ; 6, p. 576. 



Zeunerite, Cu(UO 2 )2(AsO 4 )2.8 H 2 O ; Emerald-green ; H. 



2-2.5 ; G. 3.2 ; F. 2-3 ; II. 

 g. Contains calcium, 6, p. 566. 



Conichalcite, (Cu, Ca)(Cu.OH)(As.P)O 4 .l H 2 O; Em- 

 erald-green; H. 4.5; G. 4.12; F. 2.5; Massive. 



Tyrolite, (Cu.Ca)(Cu.OH) 4 (AsO 4 ) 2 .7 H 2 O; Pale apple- 

 green; H. 1-1.5; G. 3.05; F. 2.5; IV. 

 h. Contains aluminium ; 6, p. 568. 



Liroconite, (Cu.OH) 9 Al 4 (OH), (AsO 4 ) 5 .20 H 2 O; Sky- 

 blue; H. 2-2.5; G. 2.9; F. 3-3.5; V. 

 i. Not included above, contains copper as the base. 



Clinoclasite, (Cu.OH) 3 AsO 4 ; Dark to bluish green; 

 H. 2.5-3; G.4.36; F.2.5; V. 



OLIVENITE, Cu(Cu.OH), AsO 4 ; Blackish olive-green 

 to brown ; R 3 ; G. 4.4 ; F. 2.5 ; IV ; p. 513. 



Euchroite, Cu(Cu.OH)AsO 4 .3 H 2 O ; Emerald-green ; H. 

 3.5-4; G. 3.39; F.2.5; IV. 



Chalcophyllite, (Cu.OH) 3 As0 4 (Cu.OH) 2 .3 H 2 O ; Grass- 

 green ; Cl. basal ; H. 2 ; G. 2.53 ; F. 2.5 ; III. 



Erinite, Cu(Cu.OH) 4 (AsO 4 ) 2 ; Emerald-green; Dull; 

 H. 4.5; G. 4.04; F.2.5; Mamillarv. 



Cornwallite, Cu(Cu.OH) 4 (AsO 4 ) 2 .3 H 2 O; Emerald- 

 litvcn; H. 4.5 ; G. 4.16; F.2.5; Massive . 



Leucochalcite, Cu(Cu.OH)AsO 4 .H 2 O ; White to pale 

 green ; Silky ; F. 2.5 ; Capillary. 



Trichalcite, Cu 3 (AsO 4 ) 2 .5 H 2 O ; Verdigris-green; Silky; 



H. 2.5 ; F. 2.5 ; Radiated and columnar. 

 4. The powdered mineral dissolved in nitric acid shows phos- 

 phoric acid with ammonium molybdate ; 6, p. 588. 

 a. In R. F. it becomes magnetic. 



Chalcosiderite, Cu(Fe.Al) 2 (FeO) 4 (PO 4 ) 4 .8 H 2 O; Light 



