/* volumetric heat capacity of sapphire
/* T(K), C(J/cm^3-K)
69.6	0.174682
79.5	0.264519
103.6	0.549001
130.8	0.948275
164.1	1.464
181.4	1.73019
208.2	2.11282
234.46	2.42891
260.2	2.72837
285	2.99455
295	3.07773
313	3.19419
333	3.34392
353	3.47701
373	3.59346
393	3.69328
413	3.80974
433	3.89292
453	3.9761