Siderite

Add one script tag to your page:

<div data-gemfyi="entity" data-slug="siderite"></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/siderite/?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/es/gems/siderite/

Shields.io-compatible SVG badge:

Siderite badge ![Siderite](https://gemfyi.com/badge/entity/siderite.svg)

Web Component:

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

Physical & Optical Properties

Mohs Hardness 3,5 – 4,5
Specific Gravity 3,83 – 3,89
Refractive Index 1,633 – 1,875
Crystal System Trigonal
Luster Vitreous
Cleavage Perfect
Fracture Uneven
Color various
Birefringence 0,24
Pleochroism Nil

Mohs Hardness

Mohs Hardness: 3,5 – 4,5
1 Soft10 Hard

Crystal System

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

Value & Market

Price Tier Budget (< $50/ct)

About Siderite

La siderita es un mineral de carbonato de hierro que puede presentar cristales de color amarillo, marrón, gris verdoso o negro. Aunque es principalmente una mena del hierro, los cristales bien formados y transparentes son apreciados por los coleccionistas. Puede mostrar un intenso brillo vítreo a perlado. Se encuentra en depósitos hidrotermales, sedimentarios y metamórficos de todo el mundo. Los especímenes más llamativos proceden de Pangua (España), Groenlandia y Brasil.

Jewelry Use

Durability 2/10

Science FYI Family

Frequently Asked Questions

What is Siderite?
La siderita es un mineral de carbonato de hierro que puede presentar cristales de color amarillo, marrón, gris verdoso o negro. Aunque es principalmente una mena del hierro, los cristales bien formados y transparentes son apreciados por los coleccionistas. Puede mostrar un intenso brillo vítreo a pe
What is the hardness of Siderite?
Siderite has a Mohs hardness of 3.5 to 4.5, making it relatively soft for use in jewelry.
What color is Siderite?
Siderite is primarily Various.
How much does Siderite cost?
Siderite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Siderite?
Siderite belongs to the Trigonal crystal system.

More Semi-Precious Gems Gems