Cinnabar

Add one script tag to your page:

<div data-gemfyi="entity" data-slug="cinnabar"></div>
<script src="https://cdn.jsdelivr.net/npm/gemfyi-embed@1/dist/embed.min.js" defer></script>

Embed as an iframe:

<iframe src="https://gemfyi.com/iframe/entity/cinnabar/?style=modern&theme=light" width="420" height="400" frameborder="0" loading="lazy" style="border:0;border-radius:10px;max-width:100%"></iframe>

Paste the URL in WordPress, Medium, or Ghost:

https://gemfyi.com/ar/gems/cinnabar/

Shields.io-compatible SVG badge:

Cinnabar badge ![Cinnabar](https://gemfyi.com/badge/entity/cinnabar.svg)

Web Component:

<gemfyi-entity slug="cinnabar"></gemfyi-entity>
<script src="https://cdn.jsdelivr.net/npm/gemfyi-embed@1/dist/embed.min.js" defer></script>

Physical & Optical Properties

Category Collector Gems
Mohs Hardness 2,0 – 2,5
Specific Gravity 8,0 – 8,2
Refractive Index 2,905 – 3,25
Crystal System Trigonal
Cleavage Perfect
Fracture Uneven,Splintery
Color various
Birefringence 0,351
Pleochroism Nil

Mohs Hardness

Mohs Hardness: 2,0 – 2,5
1 Soft10 Hard

Crystal System

a a a Trigonal (Rhombohedral) a = b = c, α = β = γ ≠ 90°

Value & Market

Price Tier Budget (< $50/ct)

Where to Buy Cinnabar

Links may earn a commission at no extra cost to you.

About Cinnabar

Cinnabar is a vivid scarlet to crimson mercury sulfide mineral that has been used as a red pigment—known historically as vermilion—for over 9,000 years in art, cosmetics, and ritual. The mineral's brilliant red color made it valued in ancient China for lacquerware and in Mesoamerican cultures for ceremonial objects, though its mercury content makes it toxic. Large, brilliant crystals and massive carved cinnabar lacquerware from China are collector treasures.

Jewelry Use

Durability 1/10

Science FYI Family

Frequently Asked Questions

What is Cinnabar?
Cinnabar is a vivid scarlet to crimson mercury sulfide mineral that has been used as a red pigment—known historically as vermilion—for over 9,000 years in art, cosmetics, and ritual. The mineral's brilliant red color made it valued in ancient China for lacquerware and in Mesoamerican cultures for ce
What is the hardness of Cinnabar?
Cinnabar has a Mohs hardness of 2.0 to 2.5, making it relatively soft for use in jewelry.
What color is Cinnabar?
Cinnabar is primarily Various.
How much does Cinnabar cost?
Cinnabar falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Cinnabar?
Cinnabar belongs to the Trigonal crystal system.