Hercynite

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Physical & Optical Properties

Category Semi-Precious Gems

Mohs Hardness 7.5 – 8.0

Specific Gravity 4.39

Refractive Index 1.8 – 1.83

Crystal System Isometric

Fracture Conchoidal

Color various

Mohs Hardness

Mohs Hardness: 7.5 – 8.0

1 Soft10 Hard

Crystal System

Value & Market

Price Tier Moderate ($50-500/ct)

Where to Buy Hercynite

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 Hercynite

허사이나이트는 철 알루미늄 산화물 스피넬 그룹 광물로, 짙은 녹색에서 검은색을 띱니다. 변성암과 일부 화성암에서 발견되며, 투명한 결정은 드물어 수집 보석으로 가치가 있습니다. 이름은 보헤미아의 허시닉 숲에서 유래했으며, 광물학적 연구 가치와 함께 희귀한 보석 표본으로 평가받습니다.