Omphacite

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Physical & Optical Properties

Mohs Hardness 5.0 – 6.0
Specific Gravity 3.16 – 3.43
Refractive Index 1.662 – 1.723
Crystal System Monoclinic
Luster Vitreous,Silky
Cleavage Good
Fracture Uneven,Conchoidal
Color various
Pleochroism Weak: colorless -- very pale green -- very pale green, blue-green.

Mohs Hardness

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

Crystal System

β a b c Monoclinic a ≠ b ≠ c, α = γ = 90°, β ≠ 90°

Value & Market

Price Tier Budget (< $50/ct)

About Omphacite

绿辉石是一种含钠铝的单斜辉石,是高压变质岩(尤其是榴辉岩)的标志性矿物,颜色通常呈绿色至翠绿色,玻璃光泽,半透明至不透明。绿辉石是缅甸翡翠的主要组成矿物之一,正是绿辉石赋予了翡翠其翠绿的色泽(同时有钠铬辉石的贡献)。绿辉石本身作为独立宝石在商业市场上极为罕见,但其作为翡翠和榴辉岩的重要组成部分,在宝石学和地球科学研究中具有非常重要的地位,是研究板块俯冲和超高压变质作用的关键矿物。

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Frequently Asked Questions

What is Omphacite?
绿辉石是一种含钠铝的单斜辉石,是高压变质岩(尤其是榴辉岩)的标志性矿物,颜色通常呈绿色至翠绿色,玻璃光泽,半透明至不透明。绿辉石是缅甸翡翠的主要组成矿物之一,正是绿辉石赋予了翡翠其翠绿的色泽(同时有钠铬辉石的贡献)。绿辉石本身作为独立宝石在商业市场上极为罕见,但其作为翡翠和榴辉岩的重要组成部分,在宝石学和地球科学研究中具有非常重要的地位,是研究板块俯冲和超高压变质作用的关键矿物。
What is the hardness of Omphacite?
Omphacite has a Mohs hardness of 5.0 to 6.0, making it moderate for use in jewelry.
What color is Omphacite?
Omphacite is primarily Various.
How much does Omphacite cost?
Omphacite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Omphacite?
Omphacite belongs to the Monoclinic crystal system.

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