Quartz is found in almost every location on earth.Due to this, the inclusions found in quartz are extremely vast. Petroleum and methane gas bubbles inside of rock crystal quartz. Synthetic Ametrine I am Iron Man! A cluster of pyrite crystals inside of rock crystal quartz resembling a man. Arkansas Quartz - A peek inside of quartz from Avant Mine in Jessieville, Arkansas. The white snowball inclusion is likely adularia (potassium feldspar). Petroleum and methane gas bubbles inside of rock crystal quartz. Color Change Triphylite crystal in quartz displaying color change effect. Direct oblique illumination, 2700-5000K, FOV: 3.3 mm. Location: Galiléia, Minas Gerais, Brazil Fluorescing petroleum in quartz. Petroleum in quartz under long wave UV and incandescent lighting. Fire Agate Cookeite in quartz. Quartz with goethite inclusions. Hematite crystals inside of quartz. Marcasite crystal inside quartz. Petroleum and methane gas bubbles inside of rock crystal quartz. Fire Agate Fluorescing petroleum in quartz. Petroleum in quartz under long wave UV and incandescent lighting. Fluorescing petroleum in quartz. Petroleum in quartz under long wave UV and incandescent lighting. The petroleum in this quartz is fluorescing is yellow, orange, blue and a pinkish purple. Single group of rutile needles perpendicular to the table reflected perfectly throughout the stone. Dioptase crystal inside of rock crystal quartz. Petroleum and methane gas bubbles inside of rock crystal quartz.