Eudialyte

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Physical & Optical Properties

Mohs Hardness 5.0 – 5.5
Specific Gravity 2.74 – 3.0
Refractive Index 1.591 – 1.633
Crystal System Trigonal
Luster Vitreous
Cleavage Poor
Fracture Uneven
Color various
Birefringence 0.003
Pleochroism Weak

Mohs Hardness

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

About Eudialyte

异性石是一种复杂的环状硅酸盐矿物,以其独特的玫瑰红至深红色著称,有时夹杂黑色、白色或黄色条纹,形成迷人的图案。主要产于碱性侵入岩中,以格陵兰岛、俄罗斯科拉半岛和加拿大魁北克省等地的产量最为丰富。异性石通常被切磨成弧面型宝石或用于雕刻,其独特的红色图案使其在工艺品市场上颇具特色。

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Frequently Asked Questions

What is Eudialyte?
异性石是一种复杂的环状硅酸盐矿物,以其独特的玫瑰红至深红色著称,有时夹杂黑色、白色或黄色条纹,形成迷人的图案。主要产于碱性侵入岩中,以格陵兰岛、俄罗斯科拉半岛和加拿大魁北克省等地的产量最为丰富。异性石通常被切磨成弧面型宝石或用于雕刻,其独特的红色图案使其在工艺品市场上颇具特色。
What is the hardness of Eudialyte?
Eudialyte has a Mohs hardness of 5.0 to 5.5, making it moderate for use in jewelry.
What color is Eudialyte?
Eudialyte is primarily Various.
How much does Eudialyte cost?
Eudialyte falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Eudialyte?
Eudialyte belongs to the Trigonal crystal system.

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