Garnet is a red purple hue mixed from Alizirin Crimson and Cobalt Blue. If Cobalt blue is not available Ultramarine Blue can be used.
add a little purple to the gray and mix
mineral pigments
You can make it,through some clothing.
you cant, red is a primary color and orange is a secondary color
Landscape Painting Techniques
Plein-Air Landscape Painting
How to Paint Cherries
No-Slip Paint