TABLE 5.

The stiffness matrices of thick and thin lamellae with different mineral contents.

Mineral content (%)	Stiffness matrices of thin lamellae (MPa)	Stiffness matrices of thick lamellae (MPa)
30	$\left[\begin{array}{rrrrrr}\hfill 27052& \hfill 9908& \hfill 4012& \hfill -753& \hfill 824& \hfill -124\\ \hfill & \hfill 23575& \hfill 3796& \hfill -753& \hfill 203& \hfill -293\\ \hfill & \hfill & \hfill 9692& \hfill -94& \hfill 1& \hfill 0\\ \hfill & \hfill & \hfill & \hfill 5736& \hfill -143& \hfill 251\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 4085& \hfill 1040\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 6488\end{array}\right]$	$\left[\begin{array}{rrrrrr}\hfill 11547& \hfill 5269& \hfill 3575& \hfill 425& \hfill -2157& \hfill -93\\ \hfill & \hfill 29693& \hfill 6539& \hfill 1031& \hfill -684& \hfill -272\\ \hfill & \hfill & \hfill 23746& \hfill 271& \hfill -1482& \hfill -134\\ \hfill & \hfill & \hfill & \hfill 3776& \hfill 78& \hfill 24\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 7053& \hfill -661\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 3148\end{array}\right]$
34	$\left[\begin{array}{rrrrrr}\hfill 30590& \hfill 11089& \hfill 4193& \hfill -970& \hfill 889& \hfill -124\\ \hfill & \hfill 26109& \hfill 3954& \hfill -970& \hfill 210& \hfill -322\\ \hfill & \hfill & \hfill 10293& \hfill -104& \hfill 13& \hfill -5\\ \hfill & \hfill & \hfill & \hfill 6357& \hfill -154& \hfill 284\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 4436& \hfill 1191\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 7188\end{array}\right]$	$\left[\begin{array}{rrrrrr}\hfill 12411& \hfill 5690& \hfill 3700& \hfill 501& \hfill -2449& \hfill 109\\ \hfill & \hfill 33786& \hfill 7181& \hfill 1298& \hfill -811& \hfill -291\\ \hfill & \hfill & \hfill 26125& \hfill 329& \hfill -1646& \hfill -157\\ \hfill & \hfill & \hfill & \hfill 4133& \hfill 86& \hfill 27\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 7819& \hfill -767\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 3364\end{array}\right]$
36	$\left[\begin{array}{rrrrrr}\hfill 32410& \hfill 11693& \hfill 4308& \hfill -1093& \hfill 906& \hfill -130\\ \hfill & \hfill 27353& \hfill 4043& \hfill -1093& \hfill 216& \hfill -325\\ \hfill & \hfill & \hfill 10595& \hfill -115& \hfill -3& \hfill 1\\ \hfill & \hfill & \hfill & \hfill 6669& \hfill -158& \hfill 284\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 4614& \hfill 1257\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 7516\end{array}\right]$	$\left[\begin{array}{rrrrrr}\hfill 12850& \hfill 5926& \hfill 3774& \hfill 567& \hfill -2581& \hfill 110\\ \hfill & \hfill 35895& \hfill 7518& \hfill 1443& \hfill -872& \hfill -298\\ \hfill & \hfill & \hfill 27256& \hfill 362& \hfill -1726& \hfill -153\\ \hfill & \hfill & \hfill & \hfill 4320& \hfill 89& \hfill 31\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 8183& \hfill -796\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 3470\end{array}\right]$
38	$\left[\begin{array}{rrrrrr}\hfill 34308& \hfill 12316& \hfill 4407& \hfill -1220& \hfill 922& \hfill -141\\ \hfill & \hfill 28673& \hfill 4134& \hfill -1220& \hfill 227& \hfill -325\\ \hfill & \hfill & \hfill 10973& \hfill -118& \hfill -24& \hfill 10\\ \hfill & \hfill & \hfill & \hfill 7008& \hfill -162& \hfill 278\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 4800& \hfill 1322\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 7852\end{array}\right]$	$\left[\begin{array}{rrrrrr}\hfill 13351& \hfill 6150& \hfill 3866& \hfill -635& \hfill -2704& \hfill -106\\ \hfill & \hfill 38106& \hfill 7865& \hfill -1594& \hfill -941& \hfill 306\\ \hfill & \hfill & \hfill 28452& \hfill -394& \hfill -1816& \hfill 143\\ \hfill & \hfill & \hfill & \hfill 4526& \hfill 90& \hfill 32\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 8565& \hfill 813\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 3592\end{array}\right]$
40	$\left[\begin{array}{rrrrrr}\hfill 36048& \hfill 12885& \hfill 4512& \hfill -1328& \hfill 927& \hfill -146\\ \hfill & \hfill 29915& \hfill 4229& \hfill -1328& \hfill 233& \hfill -324\\ \hfill & \hfill & \hfill 11353& \hfill -123& \hfill -28& \hfill 11\\ \hfill & \hfill & \hfill & \hfill 7328& \hfill -163& \hfill 273\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 4974& \hfill 1377\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 8154\end{array}\right]$	$\left[\begin{array}{rrrrrr}\hfill 13832& \hfill 6370& \hfill 3967& \hfill 685& \hfill -2809& \hfill 102\\ \hfill & \hfill 40107& \hfill 8183& \hfill 1736& \hfill -1001& \hfill -309\\ \hfill & \hfill & \hfill 29589& \hfill 421& \hfill -1910& \hfill -138\\ \hfill & \hfill & \hfill & \hfill 4724& \hfill 90& \hfill 33\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 8913& \hfill -833\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 3714\end{array}\right]$
42	$\left[\begin{array}{rrrrrr}\hfill 37713& \hfill 13435& \hfill 4657& \hfill -1419& \hfill 943& \hfill -151\\ \hfill & \hfill 31157& \hfill 4344& \hfill -1419& \hfill 239& \hfill -329\\ \hfill & \hfill & \hfill 11751& \hfill -136& \hfill -25& \hfill 10\\ \hfill & \hfill & \hfill & \hfill 7644& \hfill -165& \hfill 275\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 5158& \hfill 1431\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 8463\end{array}\right]$	$\left[\begin{array}{rrrrrr}\hfill 14330& \hfill 6622& \hfill 4078& \hfill 726& \hfill -2914& \hfill 101\\ \hfill & \hfill 42010& \hfill 8499& \hfill 1856& \hfill -1046& \hfill -315\\ \hfill & \hfill & \hfill 30753& \hfill 444& \hfill -2006& \hfill -139\\ \hfill & \hfill & \hfill & \hfill 4922& \hfill 92& \hfill 35\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 9264& \hfill -860\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 3843\end{array}\right]$
44	$\left[\begin{array}{rrrrrr}\hfill 40450& \hfill 14376& \hfill 4834& \hfill -1522& \hfill 1008& \hfill -161\\ \hfill & \hfill 33419& \hfill 4479& \hfill -1522& \hfill 257& \hfill -352\\ \hfill & \hfill & \hfill 12187& \hfill -154& \hfill -15& \hfill 6\\ \hfill & \hfill & \hfill & \hfill 8160& \hfill -176& \hfill 295\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 5436& \hfill 1555\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 9028\end{array}\right]$	$\left[\begin{array}{rrrrrr}\hfill 14992& \hfill 6977& \hfill 4200& \hfill 785& \hfill -3172& \hfill 106\\ \hfill & \hfill 45090& \hfill 8991& \hfill 2032& \hfill -1130& \hfill -336\\ \hfill & \hfill & \hfill 33014& \hfill 481& \hfill -2226& \hfill -150\\ \hfill & \hfill & \hfill & \hfill 5182& \hfill 94& \hfill 38\\ \hfill & \hfill symm& \hfill & \hfill & \hfill 9916& \hfill -935\\ \hfill & \hfill & \hfill & \hfill & \hfill & \hfill 4006\end{array}\right]$