Start by creating this shape with ellipse tool :
Apply these layer styles in it :
Now, with the pen tool, draw this shape :
Adjust the nodes as shown :
Also add #783107 color 1 pixel stroke in it:
With the similar color and stroke, draw these shapes :
Now, draw this shape with rectangle tool :
Select ellipse tool, press '+' from the numeric keypad and draw a circle over the rectangle. This will add area to the shape :
Apply these layer styles in it:
With pen tool, draw this white colored shape :
Draw two dark gray colored shapes as shown. Use line tool to draw these shapes and set the weight to 1 pixel :
Draw this shape :
Apply gradient overlay as shown :
Duplicate this layer by pressing control+j. Go to Edit > Transform > Flip horizontal and place the shape as shown :
Create a new layer by pressing shift+ctrl+n. Draw a selection with elliptical marquee tool as shown :
Fill the selection with gradient tool selecting white as foreground color and black as background color.
Change the blending mode of this layer to screen. Our icon is ready :)
