Riesling Beryl

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Physical & Optical Properties

Mohs Hardness 7.5 – 8.0
Specific Gravity 2.66 – 2.86
Refractive Index 1.59
Crystal System Hexagonal
Cleavage Indistinct
Fracture Conchoidal
Color various
Birefringence 0.004
Dispersion 0.014
Pleochroism Strongly dichroic

Mohs Hardness

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

雷司令绿柱石是一种非正式命名的淡黄至黄绿色绿柱石品种,颜色令人联想到德国雷司令白葡萄酒,故得此名。与所有绿柱石一样,雷司令绿柱石由铍铝环硅酸盐构成(化学式Be₃Al₂Si₆O₁₈),淡黄色由微量铁元素致色,与金色绿柱石(黄色绿柱石)接近,但色调更为清淡如葡萄酒色。雷司令绿柱石并非国际宝石学界正式术语,主要在德国和欧洲宝石界使用,与「金色绿柱石」(Heliodor)区分的界限并不严格。折射率约1.562至1.590,摩氏硬度7.5至8,透明度好,切磨成刻面石展现清澈的淡黄光泽,产地与一般绿柱石相同(巴西、马达加斯加、纳米比亚等)。

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Jewelry Use

Durability 8/10

Suitable for daily wear

Science FYI Family

Frequently Asked Questions

What is Riesling Beryl?
雷司令绿柱石是一种非正式命名的淡黄至黄绿色绿柱石品种,颜色令人联想到德国雷司令白葡萄酒,故得此名。与所有绿柱石一样,雷司令绿柱石由铍铝环硅酸盐构成(化学式Be₃Al₂Si₆O₁₈),淡黄色由微量铁元素致色,与金色绿柱石(黄色绿柱石)接近,但色调更为清淡如葡萄酒色。雷司令绿柱石并非国际宝石学界正式术语,主要在德国和欧洲宝石界使用,与「金色绿柱石」(Heliodor)区分的界限并不严格。折射率约1.562至1.590,摩氏硬度7.5至8,透明度好,切磨成刻面石展现清澈的淡黄光泽,产地与一般绿柱石相同(巴西、马达加斯加、纳米比亚等)。
What is the hardness of Riesling Beryl?
Riesling Beryl has a Mohs hardness of 7.5 to 8.0, making it excellent for use in jewelry.
What color is Riesling Beryl?
Riesling Beryl is primarily Various.
How much does Riesling Beryl cost?
Riesling 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 Riesling Beryl?
Riesling Beryl belongs to the Hexagonal crystal system.

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