\begin{table}%t1
%\centering
\small
\caption{Mean size and material composition of dust grains.}
%predicted by the kinetic dust formation model for different temperature ranges.
 \label{table_summary}
%\vspace*{-0.4cm}
\begin{tabular}{lll}
\hline
\hline
\noalign{\smallskip}
Local             & Mean grain & Material\\
temperature  & size  & composition\\
$T$ [K] & $\langle a\rangle$ [$\mu$m] & [volume frac.]\\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
$\lesssim $$1000$& $10^{-2}~\ldots~10^{-1}$ &  $25 {- }35\%$ SiO$_2$[s]\\
  & & $20 {-} 25\%$ Mg$_2$SiO$_4$[s]\\
  & & $10 {-} 25\%$ MgSiO$_3$[s]\\
  & & $15\%$ Fe[s], $10\%$ MgO[s]\\[0.1cm]
$1000~\ldots~ 1700$& $10^{-1}~\ldots~30$ & $25 {- }30\%$ Mg$_2$SiO$_4$[s]\\
  & & $20 {-} 30\%$ MgSiO$_3$[s] \& SiO$_2$[s]\\
  & & $15\%$ Fe[s],  $10\%$ MgO[s]\\[0.1cm]
$1700~\ldots~2000$ & $30~\ldots~200$ & strongly changing composition\\[0.1cm]
$2000~\ldots~2300$ & $200~\ldots~300$ & $80\%$Fe[s], $\sim $18\% Al$_2$O$_3$\\
\hline
\end{tabular}
%%\end{center}
\par
\end{table}