THC or tetrahydrocannabinol is the primary psychoactive substance of the cannabis or marijuana plant. Dronabinol has a variety of effects on the central nervous system, one of which being an appetite stimulant. According to the website RxList, dronabinol may stimulate appetite for 24 hours or longer after administration.
Definition of CASSITERITE. : a brown or black mineral that consists of tin dioxide and is the chief source of metallic tin âcalled also tinstone.
Pegmatite containing lepidolite, tourmaline, and quartz from the White Elephant Mine in the Black Hills, South Dakota. A pegmatite is a holocrystalline, intrusive igneous rock composed of interlocking phaneritic crystals usually larger than 2.5 cm in size; such rocks are referred to as pegmatitic.Most pegmatites are composed of quartz, feldspar and mica, having a similar basic composition as granite.rystal size is the most striking feature of pegmatites, with crystals usually over 5 cm in size. Individual crystals over 10 metres across have been found, and many of the world's largest crystals were found within pegmatites. These include, spodumene, microcline, beryl, and tourmaline.