\begin{table}%t2
\caption{IDPs classification.\label{classification}}
%%\begin{center}
\par
{
\begin{tabular}{cccc}
\hline\hline
Name  & Type &   Silicate class$^{a}$ & main silicate peaks (cm$^{-1}$) \\
\hline
W7116B-Y & chondritic & LLS+Oli+Px (hydrated) &  1030;  1460; 1660    \\
W7116B-N &  chondritic & LLS+Px+Oli (hydrated) & 895; 1010; 1075; 1380; 1450; 1620 \\
W7116B-U & chondritic & Px+Oli (anhydrous)& 770; 790; 880; 950; 1030; 1074; 1660 \\
L2011-F2  & cluster  & Px+Oli (anhydrous)& 840; 890; 990; 1017; 1069; 1600 \\
L2036-E19 & chondritic & Px (anhydrous)& 794; 1011  \\
L2021-K3 & cluster & LLS+Px+Oli (hydrated)& 888; 955; 1012; 1056; 1606; 1324; 3500   \\
L2021-K2 &  cluster & LLS+Oli (hydrated)& 758; 837; 890; 1018  \\\hline\\[-3mm]
\end{tabular}}
\parbox{12cm}{
$^{a}$ LLS = layer lattice silicate. Oli = olivine. Px = pyroxene.}
%%\end{center}
\end{table}