1 Removes water damage, stains, lime scale from any glass surface. 2  Our easiest to use kit is ideal solution for DIY repairs. 3  Designed to be used with electric drill (at recommended speed 1500 - 2000rpm)  Safe to use - Distortion Free, Comes with easy to follow step by step instruction.
The best obsidian is formed underground near a volcanic vent because those rocks will have limited impurities. Obsidian flows are so slow that often other obsidian flows will occur on top of each other causing a streaked appearance in the obsidian rock.he result is a rock that cooled so fast, crystals did not get a chance to form. Obsidian is a volcanic glass with a smooth and uniform structure. Interesting Obsidian Rock Facts: Different varieties of obsidian rock get their names from their appearance.
Obsidian is a naturally formed volcanic glass that was an important part of the material culture of the Olmec and Maya since the Pre-Classic. Like other volcanic glasses, obsidian is a lava that has cooled too quickly for the contained minerals to crystallize.he Obsidian found in the Olmec site of San Lorenzo is mainly from El Chayal in the Central Highlands of Guatemala, and Tajumulco in the western Highlands in Guatemala, meanwhile, that from La Venta is from San Mart n Jilotepeque, also in Guatemala, due to this observations, Andrews (1990: 13) states: