// Definition
A highly purified, crystalline form of tetrahydrocannabinolic acid (THCA) that appears as a white powder or crystal. When pure, THCA crystalline melts at approximately 374 degrees Fahrenheit, beginning to bubble (decarboxylate) at around 380 degrees Fahrenheit.
// From the Episode
Mark Scialdone asked Bubbleman to test pure white THCA crystalline on his nail and record the exact temperatures at which it melted and bubbled.