Quartz Space Heater

space heater
A self-contained appliance, usually electric, for heating an enclosed room
A space heater is a self contained device for heating an enclosed area. . Space heating is generally employed to warm a small space, and is usually held in contrast with central heating, which warms many connected spaces at once.
heater consisting of a self-contained (usually portable) unit to warm a room
Space Heater is the fifth album by Reverend Horton Heat, released by Interscope Records in March 1998. It charted on the Billboard 200, reaching number 187. Pride of San Jacinto appears in the videogame Hot Wheels Turbo Racing.

quartz
a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
A hard white or colorless mineral consisting of silicon dioxide, found widely in igneous, metamorphic, and sedimentary rocks. It is often colored by impurities (as in amethyst, citrine, and cairngorm)
quartz glass: colorless glass made of almost pure silica
Quartz is the second most abundant mineral in the Earth's continental crust, after feldspar. It is made up of a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SiO2.