Stormy Koi combines a low luster gray with a semi translucent sparkly turquoise/teal.  The depth achieved by doing this is amazing!  It is a tough material to photograph and capture the pure beauty in this pen, but it is an stunning piece! 
Pen will come with a Jowo #6 nib and converter.  **Please specify nib section in Notes when ordering** EF F M B BB 1.1 1.5
Material from Brooks
Aries ♈️ model
Jowo #6 nib and K5 converter