TABLE II. FOR DETERMINATION OF MINERALS. 433 



B. Stbeak Colobed. 





a. No fumes before the blowpipe. 







* Fusible. 





Vivianite, 



Sp. gr. 



2-6— 2-7 



Pyrochlore, 



Sp. gr. 

 4-2—4-3 



Uranite, 



3-0—3-6 



Minium, 



4-6 



vhondrodite, 



3-1—3-3 



Monazite, 



4-8—5-1 



Allanite, 



3-2—4-1 



Cupreous anglesite, 



5-3—5-5 



Triplite, 



3-4—3-8 



Red copper ore, 



5-9—6-0 



Azurite, 



3-5—3-9 



Chromate of lead, 



6-0 



Green malachite, 



4-0—41 



Pyromorphite, 



6-8—7-1 





t Infusible. 





Sulphur, 



2-07 



Blende, 



4-0—4-1 



Copper mica, 



2-55 



Psilomelane, 



4-0—4-4 



Earthy cobalt, 



2-2—2-3 



Rutile, 



4.2—4-3 



Cobalt bloom, 



2-9—3-0 



Chrqmic iron, 



4-3—4-5 



Warwickite, 



3-0-3-3 



Atacamite, 



4-4—4-5 



Dioptase, 



3-2—3-3 



Red antimony, 



4-4—4-6 



Cacoxene, 



3-3—3-4 



Red zinc ore, 



5-4—5-6 



Orpiment, 



3-4—35 



Red silver ore, 



5-4—5-9 



Realgar, 



3-3—3-7 



Pitchblende, 



6-47 



Wad, 



3-7 



Tin ore, ' 



6-5—7-1 



Black copper, 





Cinnabar, 



8-0—8-1 



Limonite, 



3-9—4-1 









LUSTER METALLIC. 







A. Stbeak Uncolobejj- 





* No fumes before the blowpipe on charcoal 





Earthy cobalt, 



2-2—2-3 



Specular iron, 



4-5—5-3 



Wad, 



3-7 



Pyrolusite, 



4-8—5-0 



Yenite, 



3-8—4-1 



Franklinite, 



4-8—5-1 



Arkansite, 



3-85 



Magnetic iron ore, 



5-0—5-1 



Brown hematite, 



3.9—4.0 



Columbite, 



5-9—61 



Blende, 



4-0—4-1 



Pitchblende, 



6-47 



Psilomelane, 



4-0—4-4 



Wolfram, 



7-1—7-4 



Manganite, 



4-3—4-4 



Cinnabar, 



8-0— 8'1 



Chromic iron, 



4-3—4-5 







