Red Beryl (Bixbite)

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Physical & Optical Properties

Mohs Hardness 7.5 – 8.0
Specific Gravity 2.63 – 2.72
Refractive Index 1.56 – 1.576
Crystal System Hexagonal
Color various
Birefringence 0.005

Mohs Hardness

1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Topaz 9 Corundum 10 Diamond Red Beryl (Bixbite)
Mohs hardness of Red Beryl (Bixbite) shown against the ten reference minerals, from talc (1) to diamond (10).
Mohs Reference mineral Red Beryl (Bixbite)
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 Moderate ($50-500/ct)

About Red Beryl (Bixbite)

赤色ベリル(ビクサイト)は、世界で最も稀少な宝石の一つで、ベリル結晶構造中のマンガン不純物が原因でラズベリー〜濃赤色を発します。米国ユタ州のワー・ワー山地に流紋岩質火山岩中にほぼ限定して産し、宝石質結晶は非常に少量しか得られません。1カラットの上質赤色ベリルは同等のルビーよりも高い価格がつくことがあり、地球上で最も価値ある宝石の一つに位置づけられています。

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Jewelry Use

Durability 8/10

Suitable for daily wear

Science FYI Family

Frequently Asked Questions

What is Red Beryl (Bixbite)?
赤色ベリル(ビクサイト)は、世界で最も稀少な宝石の一つで、ベリル結晶構造中のマンガン不純物が原因でラズベリー〜濃赤色を発します。米国ユタ州のワー・ワー山地に流紋岩質火山岩中にほぼ限定して産し、宝石質結晶は非常に少量しか得られません。1カラットの上質赤色ベリルは同等のルビーよりも高い価格がつくことがあり、地球上で最も価値ある宝石の一つに位置づけられています。
What is the hardness of Red Beryl (Bixbite)?
Red Beryl (Bixbite) has a Mohs hardness of 7.5 to 8.0, making it excellent for use in jewelry.
What color is Red Beryl (Bixbite)?
Red Beryl (Bixbite) is primarily Various.
How much does Red Beryl (Bixbite) cost?
Red Beryl (Bixbite) falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Red Beryl (Bixbite)?
Red Beryl (Bixbite) belongs to the Hexagonal crystal system.

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