Covellite

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Physical & Optical Properties

Category Collector Gems
Mohs Hardness 1,5 – 2,0
Specific Gravity 4,6 – 4,76
Refractive Index 1,45 – 2,62
Crystal System Hexagonal
Luster Resinous,Pearly,Dull (Earthy),Submetallic
Cleavage Perfect
Fracture Uneven
Color various
Birefringence 1,17
Pleochroism Marked, deep blue to pale blue.

Mohs Hardness

1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Topaz 9 Corundum 10 Diamond Covellite
Mohs hardness of Covellite shown against the ten reference minerals, from talc (1) to diamond (10).
Mohs Reference mineral Covellite
1 Talc
2 Gypsum ●
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

Crystal System

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

Value & Market

Price Tier Budget (< $50/ct)

Where to Buy Covellite

Amazon Wide selection

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About Covellite

A covellite é um mineral de sulfureto de cobre raro, conhecido pela sua cor azul índigo profunda a azul-esverdeada iridescente. Apresenta uma estrutura em camadas com clivagem perfeita e um brilho metálico a submetálico incomum. Amostras de alta qualidade exibem iridescência avermelhada ou púrpura nas superfícies de clivagem. Demasiado macia e quebradiça para a maioria dos usos em joalharia, a covellite é principalmente uma pedra de colecionador apreciada pela sua cor e iridescência únicas.

On this page

Jewelry Use

Durability 1/10

Science FYI Family

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Frequently Asked Questions

What is Covellite?
A covellite é um mineral de sulfureto de cobre raro, conhecido pela sua cor azul índigo profunda a azul-esverdeada iridescente. Apresenta uma estrutura em camadas com clivagem perfeita e um brilho metálico a submetálico incomum. Amostras de alta qualidade exibem iridescência avermelhada ou púrpura n
What is the hardness of Covellite?
Covellite has a Mohs hardness of 1.5 to 2.0, making it relatively soft for use in jewelry.
What color is Covellite?
Covellite is primarily Various.
How much does Covellite cost?
Covellite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Covellite?
Covellite belongs to the Hexagonal crystal system.