Holbein Holbein Mineral Violet Review: Is This Granulating Violet Worth It?
Holbein Mineral Violet is a fascinating multi-pigment watercolor that combines granulation, color separation, and excellent blossoming effects into a single tube. Made from Ultramarine Blue (PB29), Quinacridone Magenta (PR122), and Benzimidazolone Brown (PBr25), it creates complex violet washes with subtle color shifts that make it ideal for atmospheric skies, shadows, and expressive watercolor effects.
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Holbein’s Mineral Violet is a newcomer to my palette. Picked up during my completely reasonable and financially responsible paint-shopping spree in Japan in August 2025, I recently sat down with all my new treasures to figure out exactly what this color can do.
Like many watercolor artists, I have a weakness for unusual colors. Some people buy souvenirs. I apparently buy enough watercolor paint to qualify as a small distributor.
This color contains three pigments:
- PB29 – Ultramarine Blue
- PR122 – Quinacridone Magenta
- PBr25 – Benzimidazolone Brown
Right away, those ingredients should tell experienced watercolor painters something interesting is about to happen.
Whenever you combine multiple pigments inside one tube, there is always the possibility of granulation, color separation, and interesting texture effects. Sometimes those effects are subtle.
Not here.
This color absolutely loves to show off.
The Ultramarine Blue settles into the paper texture while the Quinacridone Magenta and Benzimidazolone Brown remain suspended longer. The result is a violet wash that develops beautiful variations as it dries.
This is one of those paints that becomes more interesting the longer you stare at it.
Who Should Buy Holbein Mineral Violet?
This color is an excellent choice for:
- Artists who love granulating watercolors
- Painters who enjoy intentional blossoms and backruns
- Landscape painters looking for atmospheric shadows
- Urban sketchers wanting textured shadow passages
- Watercolor artists who enjoy color separation effects
- Painters creating dramatic skies and storm clouds
- Anyone who loves Daniel Smith Imperial Purple but wants another option
You may want to skip this color if:
- You prefer perfectly smooth washes
- You dislike granulation
- You only use single-pigment paints
- You need highly predictable color mixes
My Observations
Granulation
Absolutely.
The Ultramarine Blue does most of the heavy lifting here. Mineral Violet settles beautifully into the paper texture and creates subtle mottled effects that become increasingly visible as the wash dries.
If you’re a granulation addict, you’ll probably enjoy this color.
Color Separation
Also yes.
The blue, magenta, and brown components don’t always travel at the same speed. As the wash dries, you can see subtle shifts and separation between the pigments.
This is one of the more interesting aspects of the paint.
Blossoming Ability
Oh yeah.
This is where Mineral Violet really shines.
Drop clean water into a damp wash and you’ll get some beautiful blooms. Even better, the separating pigments create blossoms with multiple colors rather than a single uniform effect.
The blue tends to settle deeper into the paper while the warmer pigments remain visible on the surface longer, creating complex patterns that are difficult to achieve with single-pigment colors.
Lifting
Surprisingly good.
Despite containing multiple pigments, this color appears to lift from the paper fairly easily. A thirsty brush can remove a surprising amount of pigment, making it useful for recovering highlights and softening edges.
Best Uses for Holbein Mineral Violet
- Atmospheric landscape shadows
- Dramatic storm clouds
- Twilight and evening skies
- Snow shadows
- Mountain landscapes
- Floral shadows
- Moody cityscapes
- Watercolor blossoms and special effects
- Negative painting techniques
- Expressive abstract work
How Does Holbein Mineral Violet Compare?
- Daniel Smith Imperial Purple – The closest comparison. Imperial Purple granulates a bit more aggressively, while Mineral Violet creates slightly smoother washes and lifts more easily.
- Winsor & Newton Cobalt Violet – Cobalt Violet is a single-pigment granulator. Mineral Violet offers more color separation, more blossoms, and more complex texture.
- Winsor & Newton Quinacridone Violet – Quinacridone Violet is transparent and smooth. Mineral Violet is textured, granulating, and separates into multiple colors.
- Holbein Permanent Magenta – Permanent Magenta creates cleaner, brighter violet passages. Mineral Violet sacrifices brightness in exchange for texture and separation.
- Holbein Cobalt Turquoise Light – Both are texture lovers’ paints. Cobalt Turquoise Light produces stronger granulation while Mineral Violet offers better color separation and blossoming effects.
Final Thoughts
Holbein Mineral Violet feels like one of those colors that rewards experimentation.
The more you abuse it, the more interesting it becomes.
Granulation? Check.
Color separation? Check.
Blossoms? Absolutely.
Beautiful texture? Definitely.
I suspected this paint would do something interesting the moment I looked at the pigment list on the tube. Thankfully, the paint lived up to expectations.
This one will absolutely find its way into future paintings.
Stay tuned.
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Ryan Fox AWS, NWS, TWSA
Ryan Fox Painting
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