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© 2026 Obsidian

Geode Black Opal

CosmicSeaFoxCosmicSeaFox448 downloads

A handcrafted Obsidian theme inspired by black opal crystals, underground caves, and knowledge archives. Designed for comfortable reading, focused writing, and long-term low-glare use.

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Geode Black Opal screenshot
  • Overview
  • Scorecard
  • Updates1

A handcrafted Obsidian theme inspired by black opal crystals, underground caves, and knowledge archives.

Designed for:

  • Comfortable long-form reading
  • Focused writing sessions
  • Research workflows
  • Knowledge management
  • Low-glare daily use

Preview

Geode Black Opal


Support ☕

If you enjoy this theme and want to support future development:


Screenshots

Dark Mode

Dark Mode

Deep obsidian background with black opal crystal atmosphere.


Light Mode

Light Mode

Soft mineral surface with transparent crystal panels.


Reading Experience

Reading Mode

Optimized typography and spacing for comfortable long sessions.


Source Mode

Source Mode

Clean writing environment with reduced distractions.


Graph View

Graph View

Crystal network visualization inspired by underground formations.


Tables

Tables

Readable archive-style tables with balanced contrast.


Properties Panel

Properties

Metadata displayed as crystal information panels.


Code Blocks

Code Blocks

Soft readable code presentation without harsh contrast.


Callouts

Callouts

Custom crystal knowledge chambers.


Features

Feature Description
🌑 Dark Mode Black opal cave atmosphere
☀️ Light Mode Soft mineral glass interface
📖 Reading Mode Comfortable long-form reading
✍️ Source Mode Clean writing experience
💎 Crystal System Custom opal color variations
📝 Callouts Crystal archive styles
📊 Tables Balanced readable design
💻 Code Blocks Soft low-glare code panels
🗂 Properties Metadata crystal cards
🕸 Graph View Crystal network visualization
🏷 Tags Opal badge styling
☑ Tasks Custom crystal checkboxes
📅 Calendar Timeline crystal design
📱 Mobile Responsive support

Crystal Variants

Geode Black Opal includes multiple crystal personalities:

Crystal Style
Black Opal Cyan crystal glow
Quartz White crystal
Sapphire Blue crystal
Emerald Green crystal
Amethyst Purple crystal
Citrine Golden crystal
Diamond Ice crystal

Installation

  1. Download this repository.

  2. Copy:

Geode-Black-Opal

into:

YourVault/.obsidian/themes/
  1. Open Obsidian:
Settings → Appearance → Themes
  1. Select:
Geode Black Opal

Folder Structure

Geode-Black-Opal/

├── theme.css
├── manifest.json
├── README.md
├── LICENSE
├── screenshot.png
│
└── screenshots/
    ├── dark.png
    ├── light.png
    ├── reading.png
    ├── source.png
    ├── graph.png
    ├── table.png
    ├── properties.png
    ├── code.png
    └── callouts.png

Typography

Purpose Font
Body Inter
Headings Cormorant Garamond
Code JetBrains Mono

Compatibility

Feature Status
Obsidian Desktop ✅
Obsidian Mobile ✅
Reading Mode ✅
Source Mode ✅
Live Preview ✅
Graph View ✅
Properties ✅
Tables ✅
Callouts ✅
Code Blocks ✅
Dataview ✅
Tasks ✅

Design Philosophy

Geode Black Opal focuses on:

  • Reduced eye strain
  • Calm visual atmosphere
  • Clear typography
  • Balanced contrast
  • Minimal distractions
  • Long-term comfort

Created for:

  • Writers
  • Researchers
  • Students
  • Developers
  • Knowledge keepers

Dark Mode

Features:

  • Deep obsidian surfaces
  • Black crystal backgrounds
  • Cyan opal highlights
  • Ambient cave lighting
  • Low-glare reading environment

Light Mode

Features:

  • Soft mineral surfaces
  • Transparent crystal panels
  • Dark readable text
  • Gentle contrast
  • Comfortable daytime reading

Credits

Fonts:

  • Inter
  • Cormorant Garamond
  • JetBrains Mono

Made for the Obsidian community.


License

MIT License

Made with ❤️ for writers, researchers, and knowledge explorers.


Support ☕

If you enjoy this theme and want to support future development:

HealthExcellent
ReviewSatisfactory
About
Geode Black Opal is a handcrafted Obsidian theme inspired by black opal crystals and underground mineral formations. It provides a dark obsidian interface, soft light mode, balanced typography, and carefully tuned contrast for comfortable long-form reading. Features include crystal-inspired callouts, readable tables, soft code blocks, metadata panels, custom tags, task styling, graph view enhancements, canvas styling, and responsive layouts for desktop and mobile.
Details
Current version
1.0.0
Last updated
Last week
Created
Last week
Updates
1 release
Downloads
448
License
MIT
Report bugRequest featureReport theme
Sponsor
Ko-fi
Author
CosmicSeaFoxCosmicSeaFoxcosmicseafox
GitHubcosmicseafox
  1. Community
  2. Themes
  3. Geode Black Opal

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