For these two pictures, i've used blending mode difference again, for subtracting original background (smooth blue / gray gradient) and revealing snowflake with all details on pure black. This time, i've divided picture by two halfs, and replaced one with part of original photo; and picked two small hexagonal plate crystals as sources:

Snowflake picture: Harlequin (1024 x 768)

Prints available at Artist website (mirrors at Pixels and FineArtAmerica), RedBubble.com.

Snowflake picture: Harlequin II (1200 x 900)

Prints available at Artist website (mirrors at Pixels and FineArtAmerica), RedBubble.com.

Previously, i've applied same technique on two medium size snowflakes and two large and complex fernlike dendrites.

If you want to see more snowflakes, you can browse through all snowflake pictures.
Here you'll find snowflake photo wallpapers in numerous resolutions and screen proportions, up to Ultra HD 4K.
And here is article about snowflake macro photography.

This is my next effort to completely change look and feel of snowflake photos, captured on glass surface. I already applied this technique to two large fernlike dendrites, and now it's time for two smaller snow crystals with relatively simple structure: High voltage and Ice relief:

Snowflake picture: High voltage III (1600 x 1200)

Prints available at Artist website (mirrors at Pixels and FineArtAmerica), RedBubble.com.
Licenses for commercial use - at Shutterstock.com, 500px.com.

Snowflake picture: Ice relief III (1600 x 1200)

Prints available at Artist website (mirrors at Pixels and FineArtAmerica), RedBubble.com.
Licenses for commercial use - at Shutterstock.com, 500px.com.

This processing is really simple, though it also requires some time. I use difference blending mode to separate snowflake details from background (it looks like subtracting clean background from snowflake). Here is original photos:

I like difference blending very much: often it can be used to create very interesting effects and colors. You can see another example of it's abilities: Mirror's edge, picture of snowflake in vivid colors, caused by blending two variants of same crystal, processed in different colors:

If you want to see more snowflakes, you can browse through all snowflake pictures.
Here you'll find snowflake photo wallpapers in numerous resolutions and screen proportions, up to Ultra HD 4K.
And here is article about snowflake macro photography.