Povondraite

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Physical & Optical Properties

Mohs Hardness 7.0
Specific Gravity 3.26
Crystal System Hexagonal
Fracture Uneven,Conchoidal
Color various
Pleochroism Strong: yellow-brown, dark brown, brown-black -- dark red-brown, light brown

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 Povondraite

Povondraite is a rare iron-rich member of the tourmaline supergroup, typically displaying an opaque to translucent deep black to dark brown color. First described in 1993, it forms in highly saline metamorphic environments and is named after Czech mineralogist Pavel Povondra. Specimens are primarily of mineralogical interest, found notably in the Apuan Alps of Italy.

Jewelry Use

Durability 7/10

Suitable for daily wear

Science FYI Family

Frequently Asked Questions

What is Povondraite?
Povondraite is a rare iron-rich member of the tourmaline supergroup, typically displaying an opaque to translucent deep black to dark brown color. First described in 1993, it forms in highly saline metamorphic environments and is named after Czech mineralogist Pavel Povondra. Specimens are primarily
What is the hardness of Povondraite?
Povondraite has a Mohs hardness of 7.0, making it excellent for use in jewelry.
What color is Povondraite?
Povondraite is primarily Various.
How much does Povondraite cost?
Povondraite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Povondraite?
Povondraite belongs to the Hexagonal crystal system.

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