Viridine

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Physical & Optical Properties

Category Semi-Precious Gems

Mohs Hardness 7.0 – 7.5

Specific Gravity 3.05 – 3.21

Refractive Index 1.629 – 1.66

Crystal System Orthorhombic

Luster Vitreous

Cleavage Distinct

Fracture Uneven

Color various

Birefringence 0.007

Dispersion 0.016

Mohs Hardness

Mohs hardness of Viridine shown against the ten reference minerals, from talc (1) to diamond (10).

Mohs	Reference mineral	Viridine
1	Talc
2	Gypsum
3	Calcite
4	Fluorite
5	Apatite
6	Orthoclase
7	Quartz	●
8	Topaz
9	Corundum
10	Diamond

Crystal System

Value & Market

Price Tier Moderate ($50-500/ct)

Where to Buy Viridine

Blue Nile Fine jewelry retailer

James Allen Gemstone jewelry

Brilliant Earth Ethically sourced gems

Amazon Wide selection

Links may earn a commission at no extra cost to you.

About Viridine

ビリジンはアンダルサイトの稀な緑色変種で、マンガンを含むアルミニウムケイ酸塩として、通常は橙褐色のアンダルサイトとは異なる明るい草緑色を示します。ドイツ、スウェーデン、ブラジルに産します。強い多色性を示すことがアンダルサイト族の特徴ですが、ビリジンは鮮やかな緑色から黄緑色・黄色の多色性を示します。稀少な緑色アンダルサイト変種として、鉱物コレクターに注目されています。

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