Q. What is the origin of igneous rocks?
Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. All magma develops underground, in the lower crust or upper mantle, because of the intense heat there.
Q. Who studies igneous rocks?
‘rock’ and λόγος, lógos) is the branch of geology that studies rocks and the conditions under which they form. Petrology has three subdivisions: igneous, metamorphic, and sedimentary petrology.
Q. What is sharper than a diamond?
Surprising Things about Obsidian Surprisingly, the edge of a piece of obsidian is superior to that of a surgeon’s steel scalpel. It is 3 times sharper than diamond and between 500-1000 times sharper than a razor or a surgeon’s steel blade resulting in easier incisions and fewer microscopic ragged tissue cuts.
Q. Is Obsidian stronger than a diamond?
Diamond is harder than obsidian, as obsidian is a form of volcanic glass. Obsidian has a hardness of 5 to 5.5 on the mineral hardness scale, whereas diamonds have a hardness of 10.
Q. What is the sharpest sword in history?
Here are 10 of the sharpest and deadliest swords ever known in history.
- Honjo Masamune.
- Tizona. Source = Pinimg.
- The Flammard. Source = Thearma.
- Katana. Source = Swordsoftheeast.
- Longsword. Source = Medieval-weaponry.
- Curved Saber. Source = Liketimes.
- Tomoyuki Yamashita’s Sword. Source = Williammaloney.
- The Khopesh. Source = Tumblr.
Q. Do surgeons use Obsidian?
Even today, a small number of surgeons are using an ancient technology to carry out fine incisions that they say heal with minimal scarring. Dr. Lee Green, professor and chairman of the Department of Family Medicine at the University of Alberta, says he routinely uses obsidian blades.
Q. Can a sword be made of obsidian?
Technically yes, but you’ve literally made a glass sword. It will break the first time you hit something with it. However, if you consider a toothed club to be a sword, then yes, you absolutely can make a sword with obsidian. The Aztecs did it for centuries.
Q. Is Obsidian stronger than steel?
Obsidian is much, much harder than steel. At molecular width, it’s edge is hard enough to maintain that razor edge. At that thickness, the steel blade’s serration’s (the ones I mentioned earlier) are too weak, and will bend once you try to use that edge.
Q. What is world’s sharpest knife?
Obsidian knife
Q. What is the sharpest rock?
Obsidian
