Fluor-buergerite

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Physical & Optical Properties

Mohs Hardness 7,0
Specific Gravity 3,31
Crystal System Hexagonal
Luster Vitreous
Cleavage Distinct
Color various
Pleochroism Yellow-brown - very pale yellow

Mohs Hardness

Mohs Hardness: 7,0
1 Soft10 Hard

Crystal System

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

Value & Market

Price Tier Moderate ($50-500/ct)

About Fluor-buergerite

Fluor-buergerite is a rare iron-rich member of the tourmaline supergroup, typically appearing in dark brownish-black to bronze tones with a submetallic luster. It was first described from the Mexquitic pegmatite in San Luis Potosí, Mexico, and remains geologically significant as an end-member composition. Faceted specimens are extreme collector rarities due to limited gem-quality material and restricted occurrence.

Jewelry Use

Durability 7/10

Suitable for daily wear

Science FYI Family

Frequently Asked Questions

What is Fluor-buergerite?
Fluor-buergerite is a rare iron-rich member of the tourmaline supergroup, typically appearing in dark brownish-black to bronze tones with a submetallic luster. It was first described from the Mexquitic pegmatite in San Luis Potosí, Mexico, and remains geologically significant as an end-member compos
What is the hardness of Fluor-buergerite?
Fluor-buergerite has a Mohs hardness of 7.0, making it excellent for use in jewelry.
What color is Fluor-buergerite?
Fluor-buergerite is primarily Various.
How much does Fluor-buergerite cost?
Fluor-buergerite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Fluor-buergerite?
Fluor-buergerite belongs to the Hexagonal crystal system.

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