List of styles in Material Design Colors and Themes
Assuming you mean this: http://materialdesigninxaml.net/
You can pull the source and take a look at it: https://github.com/ButchersBoy/MaterialDesignInXamlToolkit
You can just take a look round on the site for a fair bit of what I should think you want.
https://github.com/ButchersBoy/MaterialDesignInXamlToolkit/tree/master/MaterialDesignColors.Wpf/Themes
The complete list of all the available styles is in MDIX wiki, ordered by control. No need to browse the XAML source code by control:
https://github.com/MaterialDesignInXAML/MaterialDesignInXamlToolkit/wiki/ControlStyleList