Jun 7, 2021 · An obsidian blade is the sharpest in existence, with a cutting edge of one molecule. The American Medical Association has reported that that is five hundred times sharper than …

Apr 10, 2022 · Obsidian is a natural volcanic glass formed when lava high in silica cools quickly preventing crystal growth.

Feb 15, 2022 · Obsidian is specifically devoid of any crystalline structure above the microscopic and it’s composed of a myriad of elements. Minerals require a crystal structure.

Sep 13, 2022 · To add to and clarify what the other commenter said: because obsidian is a natural mixture it doesn't have a standard chemical composition. because obsidian is formed …

Nov 10, 2019 · So I found this rock off the obsidian flow trail in Newberry volcanic national monument, and as you can see it has a clear pumice to obsidian transition. Now, im assuming …

Jun 8, 2021 · FYI obsidian is not a mineral. Minerals are defined by their crystal (atomic) structure, whereas glass is defined as being an amorphous solid with no long-range atomic …

Sep 3, 2023 · So curious! What caused this obsidian to form like this? This is the only formation of the kind that I've found in the area. I usually find nodules or big chunks.

Sep 15, 2023 · Facebook reel has movie where black child talks about obsidian rock to teacher. What movie is it?

ELI5: What is a map of content? A centralized note with a whole bunch of links in it. Like the table of contents at the start of a book, only instead of entries pointing at certain page numbers, …

Nov 15, 2022 · The most famous of these is Obsidian, which is formed from the same kind of lava that produces rhyolite. Rhyolite is 70%+ Silica, so interestingly IS glass in the traditional sense …