Thank you, Tiana and Bogie.

I really liked the red version, not so much the left one, but the lighter one, where I still get some light reflection in the crystal. I haven't been able to create it in Blender so I messed with GIMP and created some other colors in the same vein as the ruby red, a little more solid than the original crystals.

Click image for larger version. 

Name:	Crystal002_12_Kier.png 
Views:	34 
Size:	116.7 KB 
ID:	123658Click image for larger version. 

Name:	Crystal002_13_Kier.png 
Views:	44 
Size:	117.6 KB 
ID:	123659Click image for larger version. 

Name:	Crystal002_14_Kier.png 
Views:	35 
Size:	112.0 KB 
ID:	123660