Rosin
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Rosin, also known as colophony or Greek pitch, is a resinous material obtained from pine trees and other plants, mostly conifers. The primary components of rosin are diterpenoids, i.e., C20 carboxylic
A piece of rosin at Mimizan Heritage House, France
Pharmaceutical rosin
An etching plate covered with powder resin
A cake of rosin, made for use by violinists to rub on the violin bow
Turpentine
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Turpentine is a fluid obtainable by the distillation of resin harvested from living trees, mainly pines. Principally used as a specialized solvent, it is also a source of material for organic synthese
Rosin
…at the temperature of boiling water, others melting at 100 to 120 °C (212 to 248 °F). It is flammable, burning with a smoky flame. It is soluble in turpentine, alcohol, ether, benzene and chloroform. Rosin, consisting mainly of abietic acid, combines with caustic alkalis to form salts (rosinates or pinates…
Turpentine distilled old way
"Herty system" in use on turpentine trees in Northern Florida, circa 1936
Chipping a turpentine tree in Georgia (US), circa 1906–20
"Cat face" on a pine tree