obsidian
Obsidian doesn't look like your typical rock. In fact, it looks more like dark glass than a rock you'd pick up in your backyard. That's because obsidian is volcanic glass. It forms when volcanic lava cools so quickly, there's no time for crystals to grow. This gives the rock a black, smooth, glossy shine. Since obsidian forms from magma, it is an igneous rock.
Definition: volcanic rock that forms when lava hardens too quickly for crystals to form
Type: igneous
Appearance: shiny, bigger pieces appear black
Texture: smooth, like glass
Cool fact 1: In the rarest occasions obsidian can be found in mahogany, rainbow, gold, and green.
Cool fact 2: Some ancient cultures used obsidian mirrors as a divinity tool because they look like crystal balls.
Obsidian is:
Correct!
Obsidian is an extrusive rock that erupted out of a volcano. Most volcanic rocks are rough and jagged because they contain gas bubbles. But obsidian is smooth because it contains mostly of glass.
Obsidian breaks apart like glass, with smooth, curved shapes that have very sharp edges. This is why ancient cultures used obsidian for:
Correct!
In ancient times, obsidian was used for cutting tools and weapons, like blades and arrowheads. Well-crafted obsidian blades can be as sharp as surgical steel scalpels. Today, obsidian is used as a gem or ornamental stone.
Obsidian is always completely black.
Fiction
Obsidian can be black, but it can also be red, brown, gray, green, and even clear. "Snowflake obsidian" contains tiny white crystals.
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Obsidian lava erupts as big piles of volcanic rubble. It creeps so slowly along the side of the volcano that you hardly notice it was moving.
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Rosamond Kinzler, Earth scientist
FAQs
Requires iOS 14.5 or later. Requires iPadOS 14.5 or later.
What is obsidian MD used for? ›
Obsidian allows internal linking between notes and creates an interactive graph that visualizes the relationships between notes. Text formatting in Obsidian is achieved through Markdown, but Obsidian provides the instantaneous previewing of formatted text. A forum and Discord server is hosted by the developers.
How hard is obsidian on the Mohs scale? ›
Obsidian is relatively soft with a typical hardness of 5 to 5.5 on the mineral hardness scale. In comparison, quartz (crystallized silicon dioxide) has a hardness of 7.0. Obsidian occurs only where geologic processes create volcanoes and where the chemical composition of the magma is rich in silica.
Can you get obsidian on a Mac? ›
Install Obsidian on macOS
Under macOS, click Universal to download the installation file. Open the installation file.
How to setup Obsidian on iPhone? ›
First things first, you'll need to create a new empty Obsidian vault on your iPhone/iPad.
- Open the Obsidian app on your device. Select "Create new vault".
- Give your vault a name. (I call mine "Second Brain".) Leave the "Store in iCloud" setting turned off. ...
- A new empty vault will be created on your device.
The biggest difference between Microsoft OneNote and Obsidian boils down to five things: native collaboration (OneNote is better), customizability (Obsidian is better), organization (better with Obsidian), native AI features (OneNote has this), and visualized note interlinking (OneNote doesn't have this).
Is Obsidian.md free? ›
Obsidian is free for personal and non-profit use. However, if you use Obsidian for work-related activities that generate revenue in an organization with two or more employees, you must purchase a commercial license for each user. Government departments and agencies are considered commercial use.
Which is better, Evernote or Obsidian? ›
The choice between Obsidian and Evernote depends on your specific needs and workflow: Obsidian: Ideal for those who prioritize speed, portability, creative thinking, and interconnected note-taking. Great for users who want to build and visualize connections between notes.
What's so special about Obsidian? ›
Obsidian is extremely rich in silica (about 65 to 80 percent), is low in water, and has a chemical composition similar to rhyolite. Obsidian has a glassy lustre and is slightly harder than window glass.
What is obsidian used for spiritually? ›
Obsidian is believed to be a stone of clarity, with the ability to release emotional, physical, and spiritual blockages, drawing out stress and tension. Obsidian is also known for clearing ancient traumas, detoxification, and encouraging personal growth.
The magnetic properties of obsidian have been recognized by geologists for some time and the causes subject to investigation (e.g., Schlinger et al., 1986). Basic glasses are reported to be more magnetic than acid glasses (George, 1924:370).
Is obsidian harder than diamond? ›
The hardest mineral on the scale, diamond, is given a hardness rating of 10. Since obsidian is rated at 5-6 on Moh's Hardness Scale, it is not stronger than a diamond; it's softer than a diamond. The diamond is one of the hardest natural substances known to scientists.
How good is Obsidian MD? ›
Obsidian is a powerful note-taking application that operates on Markdown files. It's more than just a simple note-taking tool; it's a personal knowledge base designed to adapt to your thoughts. This feature makes it flexible and customizable, allowing you to link different notes and create a unique information network.
Is Obsidian actually good? ›
Obsidian is a great app for taking notes and organizing your thoughts. It's simple to use and has a lot of features that other note-taking apps don't have.
Is Obsidian difficult to learn? ›
MacSparky did an excellent job of teaching. He acknowledged that Obsidian is a difficult app to learn and use. He spent much time and effort figuring out how to break things down and teach them in a way that communicated.
Can you get Obsidian on mobile? ›
Enter: Obsidian. Obsidian is a free, simple note taking platform and app. It works on almost every platform and has mobile apps for Apple and Android.
Does Obsidian have iPhone widgets? ›
You have a functional widget that shows the contents of a specific Obsidian note. Let's customize it a little more and also add some touch functionality. Select the Text object and move it down a little. Create a new shape object, move it to the top of the list of objects, and color it red, as shown below.
What is better than Obsidian app? ›
20 Best Obsidian Alternatives in 2024 (Free & Paid)
- ClickUp – Best AI-powered docs. ...
- Notion – Best for note-taking. ...
- Evernote – Best for web-clipping. ...
- Microsoft OneNote – Best for Microsoft users. ...
- Google Keep – Best for mobile users. ...
- nTask – Best for tracking tasks. ...
- Workflowy – Best for minimalist note-taking.
Obsidian is useful because you can adapt it to almost any workflow, no matter how specific your needs are. I spent a lot of time customizing everything so it works just so; you can do the same thing.
