Broken Colored Glass Text Effect

Start by typing your text.

Ctrl select the layer to get the selection.

Select gradient tool. Apply settings as shown.

Create a new layer. Apply the gradient several times.

Press Ctrl+U to desaturate the layer.

From filter menu select sketch>>emboss. Apply settings as shown.

From image menu select mode >>grayscale. Form image menu select mode>>color table. Select black body form custom table style.

Select the black area using magic wand tool. Press Ctrl+Shift+I to inverse the selection. Press Ctrl+J to copy paste the selection in a new layer.