Boleite

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Physical & Optical Properties

Mohs Hardness 3.0 – 3.5
Specific Gravity 5.05
Refractive Index 2.05
Crystal System Isometric
Luster Vitreous,Pearly
Cleavage Perfect
Fracture Uneven
Color various
Birefringence 0.01
Dispersion 0.071

Mohs Hardness

Mohs Hardness: 3.0 – 3.5
1 Soft10 Hard

Crystal System

Value & Market

Price Tier Budget (< $50/ct)

About Boleite

Boleite is an extremely rare and beautiful deep indigo-blue lead copper silver chloride mineral that forms perfect cubic crystals in the oxidized zones of copper-lead deposits, most famously at Boleo in Baja California, Mexico. Its vivid, saturated blue color and geometric crystal habit make it one of the most aesthetically striking rare minerals in existence. Due to its extraordinary rarity and fragility, boleite is collected only as a display mineral and is never cut.

Jewelry Use

Durability 2/10

Science FYI Family

Frequently Asked Questions

What is Boleite?
Boleite is an extremely rare and beautiful deep indigo-blue lead copper silver chloride mineral that forms perfect cubic crystals in the oxidized zones of copper-lead deposits, most famously at Boleo in Baja California, Mexico. Its vivid, saturated blue color and geometric crystal habit make it one
What is the hardness of Boleite?
Boleite has a Mohs hardness of 3.0 to 3.5, making it relatively soft for use in jewelry.
What color is Boleite?
Boleite is primarily Various.
How much does Boleite cost?
Boleite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Boleite?
Boleite belongs to the Isometric crystal system.

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