タイトルまたは説明

Orpiment (Auripigmentum, King's Yellow, Arsenic Sulfide)
Master pigment - Orpiment is lemon yellow color made of crystaline type mineral from deposits in Peru. PICTURE This source produce very pure, foil type of mineral. Is difficult to grind not because of hardness of mineral but because of its structure. Very thin layers holds together tight and producing in grinding big lumps first. Layers can be actually pealed and separated from mineral by hand making squeaky noise. Separated single layer is very translucent with bright yellow hue. Appears as sunlight on surface with resemblance to gold.


Use plastic spatula when mixing paint, avoid contact with metal causes discoloration. 
Avoid contact with metal tools because they cause discoloration of color. 
Toxic, handle very carefully. Avoid any contact with skin. Pigment have very strong staining properties.