depth you want for HCA is overall stone depth, you have that in the stone measurements - 4.10/((6.65+6.61)/2) - 61.8%
ETA -
(tan 36.3deg)*[((AvgDiametre)-(0.57*AvgDiametre))/2] = crown height in mm = 1.05mm ~ 15.8%
(tan 41deg)*[(AvgDiametre)/2] = pav height in mm = 2.88mm ~ 43.5%