236 THE MINERALS OF TASMANIA. 



SCALE OF HARDNESS. 



(MOHS'.) 



SCALE OF FUSIBILITY. 

 (Von Kobell's.) 



1. Stihnite. — Fusible in candle flame in coarse splinters. 



2. Natrolite, — Fusible in candle flame in fine splinters. Easily 



fusible before the blowpipe in coarse fragments. 



3. Almandine, or Iron Alumina Garnet. — Infusible in candle 



flame, quite fusible before the blowpipe in coarse frag- 

 ments. 



4. Actinolite. — Fusibility less than Almandine and greater 



than No. 5 ; fusible in coarse splinters 



5. Orthoclase. — Fusible in fine splinters. 



6. Bronzite. — Only rounded on the edges in very fine splinters. 



