447 
Corundum Stone from Asia . 
Ruby, 
Bergman 
3,180 
Muschenbroeck 
3,180 
Quist 
■ 3* 4 00 
Spinel. 
Blumenbach 
3*454 
Ceylon, 
Quist 
■ 3 ’ 5 oo 
Brazil. 
Brisson 
3*53i 
Brazil. 
Klaproth 
3’57° 
Hatchett and Greville 
3*57 1 
* Octoedral crystal. 
H and G. 
3> 6< *5 
*■ Made of octoedral crystal. 
Blumenbach 
3> 6 4) 5 
Blumenbach 
3,760 
Brisson 
3,760 
Hatchett and Greville 
4,166 
* Salam ruby. Star- stone. 
Coast. 
Quist 
4,200 + 
Bergman 
4 , 240 + 
Diamond, 
Hatchett and Greville 
3>35 6 
Perfect crystal. 
Wallerius 
3*4 00 
Hatchett and Greville 
3471 
Aggregate crystal 
Cronstedt 
3*500 
Muschenbroeck 
3*5i8 
La Metherie 
3*520 
Brisson 
3*52i 
Werner 
3*600 
