TESTING OF MINERALS. 409 



SCHEDULE FOR TESTING OF MINERALS. 



In these printed forms blanks are left for the insertion of the 

 results of the physical and chemical examination of unknown 

 minerals, as shown below : — 



Schedule for the Testing of Minerals. 



Tongue 

 Effervesces with HCI 

 Before B'pipe in forceps. Decrepitates Defiagiates Volatilises Fusible 

 Intumesces Infusible Colors flame 



" on Pt. wire, with HCI or AgCl livid blue = Cu or CuO. in Micro- 

 cosmic salt bead, Blue color = CI, green = 1 and blue- 

 green = Br. 

 " " with NazCOg Mineral Chameleon = Mu. 



" " with KNO3 & NajCOa, yellow mass = Cr. 



'• KHSO4 + CaFo = green (B2O3) 

 " on Charcoal or match = Metal Brittle Malleable Magnetic 



Colored residue Soluble in HCHNO3 to Solution. 

 " " gives incrustaticm hot cold, and smell of 



" " " white residue, with Co'2N03 = 



«' " NaaCOs &KCN = Metal Brittle Malleable Magnetic 



«< " " moistened on Silver, brown color from Sulphates. 



In Borax Bead Oxidismg Hot Cold Eniunel 



" Reducing. 

 Microcosmic Salt Hot Cold Enamel 



Heat in open tube = water, much, little, AlkaUne, Acid. Sublimate. 



" " *' Smell of gas Inflammable, reignites match 



Ignited with Na or Mg in tuhe, add water = PHg from Phosphates 



" " NaoCOs & Charcoal = mirror of Hg or As. 

 Fuse -vx-ith KHSO^ in tube, glass corroded = Fluorine Violet fumes = I. 



Yellow = Br. 

 Microscope = 

 Spectroscope = 

 "Wt. in air = 



Sp. Gr. 



Wt. in water = 



Soluble in HgO, HA, HCI, HNO3, Aq. Reg. KHO, solution. 



Solution contains Group 1, 2, 3, 4, 5, 6. 



Remarks : 



Examined by 



