Dr. Zodiak  Moonrock ICE Dr. Zodiak Presents Moonrock ICE – Crystalline -Bud – Clear – 99% THC-A THCa Crystalline was developed to deliver significant, quantifiable doses of THCa and is known as the purest isolate anywhere on the market, testing at 99-100%. This pure THCa converts to THC when vaped and creates a clear and highly cerebral effect or remains non-psychoactive when ingested.