Falcon's Eye

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Physical & Optical Properties

Mohs Hardness 7.0
Specific Gravity 2.58 – 2.64
Refractive Index 1.534 – 1.54
Crystal System Trigonal
Luster Silky
Cleavage None
Fracture Irregular
Color various
Pleochroism Absent

Mohs Hardness

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

Crystal System

a a a Trigonal (Rhombohedral) a = b = c, α = β = γ ≠ 90°

Value & Market

Price Tier Moderate ($50-500/ct)

About Falcon's Eye

鹰眼石是虎眼石的一种蓝灰色变体,由钠闪石石棉纤维被石英替代后形成的假像矿物。其特征性的丝绢光泽和平行纤维结构赋予其独特的猫眼(游彩)效应,在弧面型切磨后,可见一条流动的光带在宝石表面滑动。鹰眼石主要产于南非,颜色深沉而神秘,常被用于制作各类装饰性珠宝和摆件,是虎眼石家族中的特色品种。

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Jewelry Use

Durability 7/10

Suitable for daily wear

Science FYI Family

Frequently Asked Questions

What is Falcon's Eye?
鹰眼石是虎眼石的一种蓝灰色变体,由钠闪石石棉纤维被石英替代后形成的假像矿物。其特征性的丝绢光泽和平行纤维结构赋予其独特的猫眼(游彩)效应,在弧面型切磨后,可见一条流动的光带在宝石表面滑动。鹰眼石主要产于南非,颜色深沉而神秘,常被用于制作各类装饰性珠宝和摆件,是虎眼石家族中的特色品种。
What is the hardness of Falcon's Eye?
Falcon's Eye has a Mohs hardness of 7.0, making it excellent for use in jewelry.
What color is Falcon's Eye?
Falcon's Eye is primarily Various.
How much does Falcon's Eye cost?
Falcon's Eye falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Falcon's Eye?
Falcon's Eye belongs to the Trigonal crystal system.

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