Poudretteite

Add one script tag to your page:

<div data-gemfyi="entity" data-slug="poudretteite"></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/poudretteite/?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/th/gems/poudretteite/

Shields.io-compatible SVG badge:

Poudretteite badge ![Poudretteite](https://gemfyi.com/badge/entity/poudretteite.svg)

Web Component:

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

Physical & Optical Properties

Mohs Hardness 5.0
Specific Gravity 2.51 – 2.53
Refractive Index 1.511 – 1.532
Crystal System Hexagonal
Color various
Birefringence 0.021
Pleochroism Strong: purple-pink/colourless to brownish

Mohs Hardness

Mohs Hardness: 5.0
1 Soft10 Hard

Crystal System

a a c Hexagonal a = b ≠ c, α = β = 90°, γ = 120°

Value & Market

Price Tier Budget (< $50/ct)

About Poudretteite

Poudretteite is an extremely rare cyclosilicate mineral displaying a delicate pale pink to colorless appearance with a vitreous luster and excellent transparency. It was first described in 1987 from the Poudrette quarry in Mont Saint-Hilaire, Quebec, Canada, making it one of the rarest gemstones on Earth. Gem-quality crystals are exceptionally scarce, with only a handful of faceted stones known to exist.

Jewelry Use

Durability 4/10

Science FYI Family

Frequently Asked Questions

What is Poudretteite?
Poudretteite is an extremely rare cyclosilicate mineral displaying a delicate pale pink to colorless appearance with a vitreous luster and excellent transparency. It was first described in 1987 from the Poudrette quarry in Mont Saint-Hilaire, Quebec, Canada, making it one of the rarest gemstones on
What is the hardness of Poudretteite?
Poudretteite has a Mohs hardness of 5.0, making it moderate for use in jewelry.
What color is Poudretteite?
Poudretteite is primarily Various.
How much does Poudretteite cost?
Poudretteite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Poudretteite?
Poudretteite belongs to the Hexagonal crystal system.

More Semi-Precious Gems Gems