Beryl

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Physical & Optical Properties

Mohs Hardness 7,5 – 8,0
Specific Gravity 2,6 – 2,9
Refractive Index 1,56 – 1,604
Crystal System Hexagonal
Luster Vitreous
Cleavage Indistinct
Fracture Uneven,Conchoidal
Color various
Birefringence 0,003
Dispersion 0,014
Pleochroism Red beryl - distinct: (orangy)-red - purplish-red; Golden beryl - weak: yellowish - greenish-yellow; Green beryl - distinct: yellow-green - blue-green

Mohs Hardness

Mohs Hardness: 7,5 – 8,0
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 Beryl

Beryl is a beryllium aluminum silicate mineral that includes some of the world's most treasured gemstones: emerald (green), aquamarine (blue), morganite (pink), heliodor (yellow), and goshenite (colorless), unified by their shared hexagonal crystal structure and moderate hardness of 7.5–8. Beryl forms in granitic pegmatites and certain metamorphic environments, with major gem deposits spanning Brazil, Colombia, Madagascar, and Pakistan. Its diversity of colors, excellent transparency, and widespread availability make the beryl family one of the most commercially important gem groups.

Jewelry Use

Durability 8/10

Suitable for daily wear

Science FYI Family

Frequently Asked Questions

What is Beryl?
Beryl is a beryllium aluminum silicate mineral that includes some of the world's most treasured gemstones: emerald (green), aquamarine (blue), morganite (pink), heliodor (yellow), and goshenite (colorless), unified by their shared hexagonal crystal structure and moderate hardness of 7.5–8. Beryl for
What is the hardness of Beryl?
Beryl has a Mohs hardness of 7.5 to 8.0, making it excellent for use in jewelry.
What color is Beryl?
Beryl is primarily Various.
How much does Beryl cost?
Beryl falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Beryl?
Beryl belongs to the Hexagonal crystal system.

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