Allen, etc. — Diopsicle and its Relations 



Table II. 



Temperature- Concentration Curve. 



Weighty 

 MgSiOs 



Upper 

 Point 







1510° 



1511 



1510 



1 







2 







5 



8 



1489 

 1481 

 1483 



10 



1468 

 1466 

 1466 



20 



1405 

 1397 

 1406 

 1407 



24 







26 







28 







30 







31 







32 



36 



Eutec- 

 tic 



1343 c 



1345 



1343 



1346 

 1343 

 1347 

 1346 



1350 

 1350 



1348 

 1348 



1348 

 1348 

 1348 



1348 

 1349 

 1349 



1349 

 1350 

 1350 



1348 

 1349 

 1350 



1348 



1348 



Inver- 

 sion 



1190 c 



1245 

 1273 



1327 



Weighty 

 MgSiOs 



40 



Upper 

 Point 



1374° 



Eutec- 

 tic 



1347° 



45 



1-380° 



1343 



46-3 



1380 

 1381 

 1379 





47-5 



1381 

 1381 



-- 



500 



1381 

 1380 



\~~. \ 



55 



1378 



.... 



60 



1378 

 1377 



— 



65 



1377 



1378 



— 



70 _ 







1376 



72 



1409 



1375 



73 



1408 

 1412 



1373 



75 " 



1416 



1372 



80 



1452 

 1453 

 1452 



1373 

 1375 



90 



1495 

 1484 



1487 



1375 



95 



1512 



1387 



98 











100 



1524 

 1524 







— 











Inver- 

 sion 



1363 



1364 

 1367 



1367 



1362 

 1360 



