Difference between Red Ochre and Orcein

RED OCHRE vs ORCEIN: NOUN

A dye, related to litmus, that is extracted from the lichen Rocella tinctoria; used as a microscopic stain and as a food colouring
A reddish brown amorphous dyestuff, C7H7NO3, obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus.
A nitrogenous compound (C7H7NO3) formed from orcine and ammonia.

Rustique, Estival, Steam whistle, Dormy, Gunyah, Meat pie, Jewelled, La trappe, Barking frog, Poodle dog, Pork pie, Wild thyme, Greengage, Brolga, Watercolour

Orcinol, Indian red, Stainability, Indamine, Crystal violet, Dye, Purpurin, Bromothymol blue, Cudbear, Rosaniline, Achromatinic, Bedye, Crottle, Orchil, Aceto

Itchy feet, Bloodwood, Malt whisky, Rustique, Estival, Dormy, Gunyah, Meat pie, Jewelled, La trappe, Barking frog, Poodle dog, Greengage, Brolga, Watercolour

Orcinol, Indian red, Stainability, Indamine, Crystal violet, Dye, Purpurin, Bromothymol blue, Cudbear, Rosaniline, Achromatinic, Bedye, Crottle, Orchil, Aceto

Syria, and a similarly aged site in Kenya yielded tools with red ochre stains that imply the use of multicomponent glue.
Then, once only the bones were left, they would take them and paint them with red ochre.
Braids stained with red ochre hung down to their shoulders, knotted with bone fetishes.
The pictographs, made from red ochre, sit far above the waterline today.
In some instances, they used ground stones, minerals and rocks including malachite, red ochre, kohl, ect.
These included spears, atlatls, ornaments, turtle shell rattles, or lumps of red ochre pigment.
Not just art So they are red ochre in color.
Red ochre deposits are found near Sirsi and Aurad Village.
Colours ocurring naturally are grey, red, red-ochre and white.
Brief description of Red Ochre Red ochre is composed mailnly of iron oxide, hematite which word comes from Greek, hema meaning blood.