MIM:I:\I.S IIAVINC; TASTE <':> 



Mallardite, MnS().,.7ll '. I'ink to whit.- ; V; 

 Szmikite, MnS( >, 1 1.( ) ; \\liii.-to pink; H. 1.:. 



:;.!.">; Amorphous 

 Apjohnite, MnAl^SO,),. 21 H 2 O ; Whit.- to pale rose; 



Silky; H. 1.5; G. 1.78; V; Fibrous. 

 i. Fused with so<l;i in the K. F. on coal it yields a zinc 



co;tt. 

 Goslarite, ZnSO 4 .7 H 2 O ; White; Vitreous; H. 2-2.5; 



G. 2.00 ; IV ; Acicular. 



B. Effervesces in dilute HCl (carbonates), 



1. Yields a strong sodium flame (yellow). 



TRONA, HNa 3 (CO 3 ) 2 .2 H 2 O ; White to gray ; Vitre- 



ous; H. 2.5-3; G. 2.13; F. 1.5; V; p. 401. 

 NATRON, Na 2 CO 3 .10H 2 O; White to gray; Vitreous; 



H. 1-1.5; G. 1.44; F. 1 ; V; p. 400. 

 Thermonatrite, NasCOs.HoO ; White, gray to yellow; 



H. 1-1.5; G. 1.55; F. 1.5; IV. 



C. With copper oxide shows chlorine; a, p. 588. 



1. Yields a strong sodium flame. 



HALITE, NaCl; White, red, blue ; H. 2.5; G. 2.13; 



F. 1.5; I; p. 327. 



2. It yields a strong potassium flame. 



^SYLVITE, KC1; White; H. 2; G. 1.98; F. 1.51; p. 



328. 



With cobalt solution shows magnesium, p. 567. 

 CARNALLITE, MgCl 2 ,KC1.6 H 2 O ; White to red; H. 



1; G. 1.60; F. 1-1.5; IV; p. 335. 



3. Yields a calcium flame. 



a. Shows magnesium with cobalt solution ; a, p. 567. 

 Tachydrite, CaMg 4 Cl 6 .12 H 2 O ; Wax- to honey-yellow ; 



H. 2.5; F. 1; III. 



b. It contains no magnesium. 



Hydrophylite, CaCl 2 ; White; G. 2.2; F. 1.5; I. 



D. Heated in a closed tube with potassium bisulphate it yields 



orange-colored fumes (n Hr<it< * ) . 



1. It yields a yellow flame (sodium). 



SODA NITER, NaNO 3 ; White; Vitreous; H. 1.5-2; 



G. 2.29; F. 1.; Ill; p. 520. 



2. It yields a violet flame (potassium). 



'NITER, KNO 3 ; White; Vitreous; H. 2; G. 2.13; F. 

 1; IV; p. 521. 



